CWE-287
Improper Authentication
Description
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
Hierarchy (View 1000)
Related attack patterns (CAPEC)
CAPEC-114 · CAPEC-115 · CAPEC-151 · CAPEC-194 · CAPEC-22 · CAPEC-57 · CAPEC-593 · CAPEC-633 · CAPEC-650 · CAPEC-94
CVEs mapped to this weakness (1,670)
page 22 of 84| CVE | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|
| CVE-2016-7141 | Hig | 0.49 | 7.5 | 0.01 | Oct 3, 2016 | curl and libcurl before 7.50.2, when built with NSS and the libnsspem.so library is available at runtime, allow remote attackers to hijack the authentication of a TLS connection by leveraging reuse of a previously loaded client certificate from file for a connection for which no certificate has been set, a different vulnerability than CVE-2016-5420. | |
| CVE-2016-6159 | Hig | 0.49 | 7.5 | 0.01 | Sep 21, 2016 | The management interface of Huawei WS331a routers with software before WS331a-10 V100R001C01B112 allows remote attackers to bypass authentication and obtain administrative access by sending "special packages" to the LAN interface. | |
| CVE-2016-1427 | Hig | 0.49 | 7.5 | 0.00 | Jun 18, 2016 | The System Configuration Protocol (SCP) core messaging interface in Cisco Prime Network Registrar 8.2 before 8.2.3.1 and 8.3 before 8.3.2 allows remote attackers to obtain sensitive information via crafted SCP messages, aka Bug ID CSCuv35694. | |
| CVE-2016-2286 | Hig | 0.49 | 7.5 | 0.01 | May 31, 2016 | Moxa MiiNePort_E1_4641 devices with firmware 1.1.10 Build 09120714, MiiNePort_E1_7080 devices with firmware 1.1.10 Build 09120714, MiiNePort_E2_1242 devices with firmware 1.1 Build 10080614, MiiNePort_E2_4561 devices with firmware 1.1 Build 10080614, and MiiNePort E3 devices with firmware 1.0 Build 11071409 have a blank default password, which allows remote attackers to obtain access via unspecified vectors. | |
| CVE-2016-1402 | Hig | 0.49 | 7.5 | 0.01 | May 21, 2016 | The Active Directory (AD) integration component in Cisco Identity Service Engine (ISE) before 1.2.0.899 patch 7, when AD group-membership authorization is enabled, allows remote attackers to cause a denial of service (authentication outage) via a crafted Password Authentication Protocol (PAP) authentication request, aka Bug ID CSCun25815. | |
| CVE-2016-2076 | Hig | 0.49 | 7.6 | 0.00 | Apr 15, 2016 | Client Integration Plugin (CIP) in VMware vCenter Server 5.5 U3a, U3b, and U3c and 6.0 before U2; vCloud Director 5.5.5; and vRealize Automation Identity Appliance 6.2.4 before 6.2.4.1 mishandles session content, which allows remote attackers to hijack sessions via a crafted web site. | |
| CVE-2015-8269 | Hig | 0.49 | 7.5 | 0.01 | Feb 4, 2016 | The API on Fisher-Price Smart Toy Bear devices allows remote attackers to obtain sensitive information or modify data by leveraging presence in an 802.11 network's coverage area and entering an account number. | |
| CVE-2009-0130 | Hig | 0.49 | 7.5 | 0.00 | Jan 15, 2009 | lib/crypto/c_src/crypto_drv.c in erlang does not properly check the return value from the OpenSSL DSA_do_verify function, which might allow remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077. NOTE: a package maintainer disputes this issue, reporting that there is a proper check within the only code that uses the applicable part of crypto_drv.c, and thus "this report is invalid. | |
| CVE-2026-5795 | Hig | 0.48 | 7.4 | 0.00 | Apr 8, 2026 | In Eclipse Jetty, the class JASPIAuthenticator initiates the authentication checks, which set two ThreadLocal variable. Upon returning from the initial checks, there are conditions that cause an early return from the JASPIAuthenticator code without clearing those ThreadLocals. A subsequent request using the same thread inherits the ThreadLocal values, leading to a broken access control and privilege escalation. | |
| CVE-2026-27856 | Hig | 0.48 | 7.4 | 0.00 | Mar 27, 2026 | Doveadm credentials are verified using direct comparison which is susceptible to timing oracle attack. An attacker can use this to determine the configured credentials. Figuring out the credential will lead into full access to the affected component. Limit access to the doveadm http service port, install fixed version. No publicly available exploits are known. | |
| CVE-2025-7114 | Hig | 0.48 | 7.3 | 0.01 | Jul 7, 2025 | A vulnerability was found in SimStudioAI sim up to 37786d371e17d35e0764e1b5cd519d873d90d97b. It has been declared as critical. Affected by this vulnerability is the function POST of the file apps/sim/app/api/files/upload/route.ts of the component Session Handler. The manipulation of the argument Request leads to missing authentication. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way. | |
| CVE-2025-5906 | Hig | 0.48 | 7.3 | 0.01 | Jun 10, 2025 | A vulnerability classified as critical has been found in code-projects Laundry System 1.0. This affects an unknown part of the file /data/. The manipulation leads to missing authentication. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. | |
| CVE-2025-24904 | Hig | 0.48 | 8.5 | 0.00 | Feb 13, 2025 | libsignal-service-rs is a Rust version of the libsignal-service-java library which implements the core functionality to communicate with Signal servers. Prior to commit 82d70f6720e762898f34ae76b0894b0297d9b2f8, plaintext content envelopes could be injected by a server or a malicious client, and may have been able to bypass the end-to-end encryption and authentication. The vulnerability is fixed per 82d70f6720e762898f34ae76b0894b0297d9b2f8. The `Metadata` struct contains an additional `was_encrypted` field, which breaks the API, but should be easily resolvable. No known workarounds are available. | |
| CVE-2024-10963 | Hig | 0.48 | 7.4 | 0.01 | Nov 7, 2024 | A flaw was found in pam_access, where certain rules in its configuration file are mistakenly treated as hostnames. This vulnerability allows attackers to trick the system by pretending to be a trusted hostname, gaining unauthorized access. This issue poses a risk for systems that rely on this feature to control who can access certain services or terminals. | |
| CVE-2024-45750 | Hig | 0.48 | 7.3 | 0.09 | Sep 25, 2024 | An issue in TheGreenBow Windows Standard VPN Client 6.87.108 (and older), Windows Enterprise VPN Client 6.87.109 (and older), Windows Enterprise VPN Client 7.5.007 (and older), Android VPN Client 6.4.5 (and older) VPN Client Linux 3.4 (and older), VPN Client MacOS 2.4.10 (and older) allows a remote attacker to execute arbitrary code via the IKEv2 Authentication phase, it accepts malformed ECDSA signatures and establishes the tunnel. | |
| CVE-2017-7930 | Hig | 0.48 | 7.4 | 0.01 | Aug 25, 2017 | An Improper Authentication issue was discovered in OSIsoft PI Server 2017 PI Data Archive versions prior to 2017. PI Data Archive has protocol flaws with the potential to expose change records in the clear and allow a malicious party to spoof a server within a collective. | |
| CVE-2016-4860 | Hig | 0.48 | 7.3 | 0.01 | Sep 19, 2016 | Yokogawa STARDOM FCN/FCJ controller R1.01 through R4.01 does not require authentication for Logic Designer connections, which allows remote attackers to reconfigure the device or cause a denial of service via a (1) stop application program, (2) change value, or (3) modify application command. | |
| CVE-2026-8321 | Hig | 0.47 | 7.3 | 0.00 | May 11, 2026 | A vulnerability was detected in inkeep agents 0.58.14. This vulnerability affects the function createDevContext of the file agents-api/src/middleware/runAuth.ts of the component runAuth Middleware. Performing a manipulation results in authentication bypass using alternate channel. The attack is possible to be carried out remotely. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet. | |
| CVE-2026-8216 | Hig | 0.47 | 7.3 | 0.00 | May 10, 2026 | A vulnerability was identified in Industrial Application Software IAS Canias ERP 8.03. This issue affects the function iasServerRemoteInterface.doAction of the component Java RMI Session Management. Such manipulation leads to improper authentication. The attack can be launched remotely. The vendor was contacted early about this disclosure but did not respond in any way. | |
| CVE-2026-7723 | Hig | 0.47 | 7.3 | 0.00 | May 4, 2026 | A flaw has been found in PrefectHQ prefect up to 3.6.13. Affected is an unknown function of the file /api/events/in of the component WebSocket Endpoint. Executing a manipulation can lead to missing authentication. The attack may be performed from remote. The exploit has been published and may be used. Upgrading to version 3.6.14 is able to address this issue. This patch is called f8afecadf88ea5f73694dafa3a365b9d8fae1ad6. It is recommended to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product. |
- risk 0.49cvss 7.5epss 0.01
curl and libcurl before 7.50.2, when built with NSS and the libnsspem.so library is available at runtime, allow remote attackers to hijack the authentication of a TLS connection by leveraging reuse of a previously loaded client certificate from file for a connection for which no certificate has been set, a different vulnerability than CVE-2016-5420.
- risk 0.49cvss 7.5epss 0.01
The management interface of Huawei WS331a routers with software before WS331a-10 V100R001C01B112 allows remote attackers to bypass authentication and obtain administrative access by sending "special packages" to the LAN interface.
- risk 0.49cvss 7.5epss 0.00
The System Configuration Protocol (SCP) core messaging interface in Cisco Prime Network Registrar 8.2 before 8.2.3.1 and 8.3 before 8.3.2 allows remote attackers to obtain sensitive information via crafted SCP messages, aka Bug ID CSCuv35694.
- risk 0.49cvss 7.5epss 0.01
Moxa MiiNePort_E1_4641 devices with firmware 1.1.10 Build 09120714, MiiNePort_E1_7080 devices with firmware 1.1.10 Build 09120714, MiiNePort_E2_1242 devices with firmware 1.1 Build 10080614, MiiNePort_E2_4561 devices with firmware 1.1 Build 10080614, and MiiNePort E3 devices with firmware 1.0 Build 11071409 have a blank default password, which allows remote attackers to obtain access via unspecified vectors.
- risk 0.49cvss 7.5epss 0.01
The Active Directory (AD) integration component in Cisco Identity Service Engine (ISE) before 1.2.0.899 patch 7, when AD group-membership authorization is enabled, allows remote attackers to cause a denial of service (authentication outage) via a crafted Password Authentication Protocol (PAP) authentication request, aka Bug ID CSCun25815.
- risk 0.49cvss 7.6epss 0.00
Client Integration Plugin (CIP) in VMware vCenter Server 5.5 U3a, U3b, and U3c and 6.0 before U2; vCloud Director 5.5.5; and vRealize Automation Identity Appliance 6.2.4 before 6.2.4.1 mishandles session content, which allows remote attackers to hijack sessions via a crafted web site.
- risk 0.49cvss 7.5epss 0.01
The API on Fisher-Price Smart Toy Bear devices allows remote attackers to obtain sensitive information or modify data by leveraging presence in an 802.11 network's coverage area and entering an account number.
- risk 0.49cvss 7.5epss 0.00
lib/crypto/c_src/crypto_drv.c in erlang does not properly check the return value from the OpenSSL DSA_do_verify function, which might allow remote attackers to bypass validation of the certificate chain via a malformed SSL/TLS signature, a similar vulnerability to CVE-2008-5077. NOTE: a package maintainer disputes this issue, reporting that there is a proper check within the only code that uses the applicable part of crypto_drv.c, and thus "this report is invalid.
- risk 0.48cvss 7.4epss 0.00
In Eclipse Jetty, the class JASPIAuthenticator initiates the authentication checks, which set two ThreadLocal variable. Upon returning from the initial checks, there are conditions that cause an early return from the JASPIAuthenticator code without clearing those ThreadLocals. A subsequent request using the same thread inherits the ThreadLocal values, leading to a broken access control and privilege escalation.
- risk 0.48cvss 7.4epss 0.00
Doveadm credentials are verified using direct comparison which is susceptible to timing oracle attack. An attacker can use this to determine the configured credentials. Figuring out the credential will lead into full access to the affected component. Limit access to the doveadm http service port, install fixed version. No publicly available exploits are known.
- risk 0.48cvss 7.3epss 0.01
A vulnerability was found in SimStudioAI sim up to 37786d371e17d35e0764e1b5cd519d873d90d97b. It has been declared as critical. Affected by this vulnerability is the function POST of the file apps/sim/app/api/files/upload/route.ts of the component Session Handler. The manipulation of the argument Request leads to missing authentication. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
- risk 0.48cvss 7.3epss 0.01
A vulnerability classified as critical has been found in code-projects Laundry System 1.0. This affects an unknown part of the file /data/. The manipulation leads to missing authentication. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
- risk 0.48cvss 8.5epss 0.00
libsignal-service-rs is a Rust version of the libsignal-service-java library which implements the core functionality to communicate with Signal servers. Prior to commit 82d70f6720e762898f34ae76b0894b0297d9b2f8, plaintext content envelopes could be injected by a server or a malicious client, and may have been able to bypass the end-to-end encryption and authentication. The vulnerability is fixed per 82d70f6720e762898f34ae76b0894b0297d9b2f8. The `Metadata` struct contains an additional `was_encrypted` field, which breaks the API, but should be easily resolvable. No known workarounds are available.
- risk 0.48cvss 7.4epss 0.01
A flaw was found in pam_access, where certain rules in its configuration file are mistakenly treated as hostnames. This vulnerability allows attackers to trick the system by pretending to be a trusted hostname, gaining unauthorized access. This issue poses a risk for systems that rely on this feature to control who can access certain services or terminals.
- risk 0.48cvss 7.3epss 0.09
An issue in TheGreenBow Windows Standard VPN Client 6.87.108 (and older), Windows Enterprise VPN Client 6.87.109 (and older), Windows Enterprise VPN Client 7.5.007 (and older), Android VPN Client 6.4.5 (and older) VPN Client Linux 3.4 (and older), VPN Client MacOS 2.4.10 (and older) allows a remote attacker to execute arbitrary code via the IKEv2 Authentication phase, it accepts malformed ECDSA signatures and establishes the tunnel.
- risk 0.48cvss 7.4epss 0.01
An Improper Authentication issue was discovered in OSIsoft PI Server 2017 PI Data Archive versions prior to 2017. PI Data Archive has protocol flaws with the potential to expose change records in the clear and allow a malicious party to spoof a server within a collective.
- risk 0.48cvss 7.3epss 0.01
Yokogawa STARDOM FCN/FCJ controller R1.01 through R4.01 does not require authentication for Logic Designer connections, which allows remote attackers to reconfigure the device or cause a denial of service via a (1) stop application program, (2) change value, or (3) modify application command.
- risk 0.47cvss 7.3epss 0.00
A vulnerability was detected in inkeep agents 0.58.14. This vulnerability affects the function createDevContext of the file agents-api/src/middleware/runAuth.ts of the component runAuth Middleware. Performing a manipulation results in authentication bypass using alternate channel. The attack is possible to be carried out remotely. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
- risk 0.47cvss 7.3epss 0.00
A vulnerability was identified in Industrial Application Software IAS Canias ERP 8.03. This issue affects the function iasServerRemoteInterface.doAction of the component Java RMI Session Management. Such manipulation leads to improper authentication. The attack can be launched remotely. The vendor was contacted early about this disclosure but did not respond in any way.
- risk 0.47cvss 7.3epss 0.00
A flaw has been found in PrefectHQ prefect up to 3.6.13. Affected is an unknown function of the file /api/events/in of the component WebSocket Endpoint. Executing a manipulation can lead to missing authentication. The attack may be performed from remote. The exploit has been published and may be used. Upgrading to version 3.6.14 is able to address this issue. This patch is called f8afecadf88ea5f73694dafa3a365b9d8fae1ad6. It is recommended to upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.