CWE-203
Observable Discrepancy
Description
The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor.
Hierarchy (View 1000)
Related attack patterns (CAPEC)
CAPEC-189
CVEs mapped to this weakness (762)
page 5 of 39| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2019-18850 | Hig | 0.49 | 7.5 | 0.01 | Dec 4, 2019 | TrevorC2 v1.1/v1.2 fails to prevent fingerprinting primarily via a discrepancy between response headers when responding to different HTTP methods, also via predictible responses when accessing and interacting with the "SITE_PATH_QUERY". | ||
| CVE-2019-3732 | Hig | 0.49 | 7.5 | 0.01 | Sep 30, 2019 | RSA BSAFE Crypto-C Micro Edition, versions prior to 4.0.5.3 (in 4.0.x) and versions prior to 4.1.3.3 (in 4.1.x), and RSA Micro Edition Suite, versions prior to 4.0.11 (in 4.0.x) versions prior to 4.1.6.1 (in 4.1.x) and versions prior to 4.3.3 (4.2.x and 4.3.x) are vulnerable to… | ||
| CVE-2019-3731 | Hig | 0.49 | 7.5 | 0.01 | Sep 30, 2019 | RSA BSAFE Crypto-C Micro Edition versions prior to 4.1.4 and RSA Micro Edition Suite versions prior to 4.4 are vulnerable to an Information Exposure Through Timing Discrepancy. A malicious remote user could potentially exploit this vulnerability to extract information leaving… | ||
| CVE-2019-10114 | Hig | 0.49 | 7.5 | 0.02 | May 16, 2019 | An Information Exposure issue (issue 2 of 2) was discovered in GitLab Community and Enterprise Edition before 11.7.8, 11.8.x before 11.8.4, and 11.9.x before 11.9.2. During the OAuth authentication process, the application attempts to validate a parameter in an insecure way,… | ||
| CVE-2019-7217 | Hig | 0.49 | 7.5 | 0.02 | May 13, 2019 | Citrix ShareFile before 19.12 allows User Enumeration. It is possible to enumerate application username based on different server responses using the request to check the otp code. No authentication is required. | ||
| CVE-2019-6602 | Hig | 0.49 | 7.5 | 0.02 | Mar 28, 2019 | In BIG-IP 11.5.1-11.5.8 and 11.6.1-11.6.3, the Configuration Utility login page may not follow best security practices when handling a malicious request. | ||
| CVE-2016-6489 | Hig | 0.49 | 7.5 | 0.05 | Apr 14, 2017 | The RSA and DSA decryption code in Nettle makes it easier for attackers to discover private keys via a cache side channel attack. | ||
| CVE-2024-23342 | Hig | 0.48 | 7.4 | 0.01 | Jan 23, 2024 | The `ecdsa` PyPI package is a pure Python implementation of ECC (Elliptic Curve Cryptography) with support for ECDSA (Elliptic Curve Digital Signature Algorithm), EdDSA (Edwards-curve Digital Signature Algorithm) and ECDH (Elliptic Curve Diffie-Hellman). Versions 0.18.0 and… | ||
| CVE-2022-3143 | Hig | 0.48 | 7.4 | 0.01 | Jan 13, 2023 | wildfly-elytron: possible timing attacks via use of unsafe comparator. A flaw was found in Wildfly-elytron. Wildfly-elytron uses java.util.Arrays.equals in several places, which is unsafe and vulnerable to timing attacks. To compare values securely, use… | ||
| CVE-2019-13666 | Hig | 0.48 | 7.4 | 0.01 | Nov 25, 2019 | Information leak in storage in Google Chrome prior to 77.0.3865.75 allowed a remote attacker to leak cross-origin data via a crafted HTML page. | ||
| CVE-2018-3615 | Hig | 0.48 | 7.3 | 0.06 | Aug 14, 2018 | Systems with microprocessors utilizing speculative execution and Intel software guard extensions (Intel SGX) may allow unauthorized disclosure of information residing in the L1 data cache from an enclave to an attacker with local user access via a side-channel analysis. | ||
| CVE-2025-59702 | Hig | 0.47 | 7.2 | 0.00 | Dec 2, 2025 | Entrust nShield Connect XC, nShield 5c, and nShield HSMi through 13.6.11, or 13.7, allow a physically proximate attacker with elevated privileges to falsify tamper events by accessing internal components. | ||
| CVE-2024-39891 | Med | 0.47 | 5.3 | 0.01 | KEV | Jul 2, 2024 | In the Twilio Authy API, accessed by Authy Android before 25.1.0 and Authy iOS before 26.1.0, an unauthenticated endpoint provided access to certain phone-number data, as exploited in the wild in June 2024. Specifically, the endpoint accepted a stream of requests containing… | |
| CVE-2023-30312 | Hig | 0.47 | 7.3 | 0.00 | May 28, 2024 | An issue discovered in OpenWrt 18.06, 19.07, 21.02, 22.03, and beyond allows off-path attackers to hijack TCP sessions, which could lead to a denial of service, impersonating the client to the server (e.g., for access to files over FTP), and impersonating the server to the… | ||
| CVE-2024-26221 | Hig | 0.47 | 7.2 | 0.02 | Apr 9, 2024 | Windows DNS Server Remote Code Execution Vulnerability | ||
| CVE-2020-9588 | Hig | 0.47 | 7.2 | 0.03 | Jun 26, 2020 | Magento versions 2.3.4 and earlier, 2.2.11 and earlier (see note), 1.14.4.4 and earlier, and 1.9.4.4 and earlier have an observable timing discrepancy vulnerability. Successful exploitation could lead to signature verification bypass. | ||
| CVE-2017-5753 | Med | 0.47 | 5.6 | 0.93 | Jan 4, 2018 | Systems with microprocessors utilizing speculative execution and branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis. | ||
| CVE-2017-13098 | Hig | 0.47 | 7.5 | 0.24 | Dec 13, 2017 | BouncyCastle TLS prior to version 1.0.3, when configured to use the JCE (Java Cryptography Extension) for cryptographic functions, provides a weak Bleichenbacher oracle when any TLS cipher suite using RSA key exchange is negotiated. An attacker can recover the private key from a… | ||
| CVE-2024-39830 | Hig | 0.46 | 8.1 | 0.00 | Jul 3, 2024 | Mattermost versions 9.8.x <= 9.8.0, 9.7.x <= 9.7.4, 9.6.x <= 9.6.2 and 9.5.x <= 9.5.5, when shared channels are enabled, fail to use constant time comparison for remote cluster tokens which allows an attacker to retrieve the remote cluster token via a timing attack during remote… | ||
| CVE-2021-47226 | Hig | 0.46 | 7.1 | 0.00 | May 21, 2024 | In the Linux kernel, the following vulnerability has been resolved: x86/fpu: Invalidate FPU state after a failed XRSTOR from a user buffer Both Intel and AMD consider it to be architecturally valid for XRSTOR to fail with #PF but nonetheless change the register state. The… |
- risk 0.49cvss 7.5epss 0.01
TrevorC2 v1.1/v1.2 fails to prevent fingerprinting primarily via a discrepancy between response headers when responding to different HTTP methods, also via predictible responses when accessing and interacting with the "SITE_PATH_QUERY".
- risk 0.49cvss 7.5epss 0.01
RSA BSAFE Crypto-C Micro Edition, versions prior to 4.0.5.3 (in 4.0.x) and versions prior to 4.1.3.3 (in 4.1.x), and RSA Micro Edition Suite, versions prior to 4.0.11 (in 4.0.x) versions prior to 4.1.6.1 (in 4.1.x) and versions prior to 4.3.3 (4.2.x and 4.3.x) are vulnerable to…
- risk 0.49cvss 7.5epss 0.01
RSA BSAFE Crypto-C Micro Edition versions prior to 4.1.4 and RSA Micro Edition Suite versions prior to 4.4 are vulnerable to an Information Exposure Through Timing Discrepancy. A malicious remote user could potentially exploit this vulnerability to extract information leaving…
- risk 0.49cvss 7.5epss 0.02
An Information Exposure issue (issue 2 of 2) was discovered in GitLab Community and Enterprise Edition before 11.7.8, 11.8.x before 11.8.4, and 11.9.x before 11.9.2. During the OAuth authentication process, the application attempts to validate a parameter in an insecure way,…
- risk 0.49cvss 7.5epss 0.02
Citrix ShareFile before 19.12 allows User Enumeration. It is possible to enumerate application username based on different server responses using the request to check the otp code. No authentication is required.
- risk 0.49cvss 7.5epss 0.02
In BIG-IP 11.5.1-11.5.8 and 11.6.1-11.6.3, the Configuration Utility login page may not follow best security practices when handling a malicious request.
- risk 0.49cvss 7.5epss 0.05
The RSA and DSA decryption code in Nettle makes it easier for attackers to discover private keys via a cache side channel attack.
- risk 0.48cvss 7.4epss 0.01
The `ecdsa` PyPI package is a pure Python implementation of ECC (Elliptic Curve Cryptography) with support for ECDSA (Elliptic Curve Digital Signature Algorithm), EdDSA (Edwards-curve Digital Signature Algorithm) and ECDH (Elliptic Curve Diffie-Hellman). Versions 0.18.0 and…
- risk 0.48cvss 7.4epss 0.01
wildfly-elytron: possible timing attacks via use of unsafe comparator. A flaw was found in Wildfly-elytron. Wildfly-elytron uses java.util.Arrays.equals in several places, which is unsafe and vulnerable to timing attacks. To compare values securely, use…
- risk 0.48cvss 7.4epss 0.01
Information leak in storage in Google Chrome prior to 77.0.3865.75 allowed a remote attacker to leak cross-origin data via a crafted HTML page.
- risk 0.48cvss 7.3epss 0.06
Systems with microprocessors utilizing speculative execution and Intel software guard extensions (Intel SGX) may allow unauthorized disclosure of information residing in the L1 data cache from an enclave to an attacker with local user access via a side-channel analysis.
- risk 0.47cvss 7.2epss 0.00
Entrust nShield Connect XC, nShield 5c, and nShield HSMi through 13.6.11, or 13.7, allow a physically proximate attacker with elevated privileges to falsify tamper events by accessing internal components.
- risk 0.47cvss 5.3epss 0.01
In the Twilio Authy API, accessed by Authy Android before 25.1.0 and Authy iOS before 26.1.0, an unauthenticated endpoint provided access to certain phone-number data, as exploited in the wild in June 2024. Specifically, the endpoint accepted a stream of requests containing…
- risk 0.47cvss 7.3epss 0.00
An issue discovered in OpenWrt 18.06, 19.07, 21.02, 22.03, and beyond allows off-path attackers to hijack TCP sessions, which could lead to a denial of service, impersonating the client to the server (e.g., for access to files over FTP), and impersonating the server to the…
- risk 0.47cvss 7.2epss 0.02
Windows DNS Server Remote Code Execution Vulnerability
- risk 0.47cvss 7.2epss 0.03
Magento versions 2.3.4 and earlier, 2.2.11 and earlier (see note), 1.14.4.4 and earlier, and 1.9.4.4 and earlier have an observable timing discrepancy vulnerability. Successful exploitation could lead to signature verification bypass.
- risk 0.47cvss 5.6epss 0.93
Systems with microprocessors utilizing speculative execution and branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis.
- risk 0.47cvss 7.5epss 0.24
BouncyCastle TLS prior to version 1.0.3, when configured to use the JCE (Java Cryptography Extension) for cryptographic functions, provides a weak Bleichenbacher oracle when any TLS cipher suite using RSA key exchange is negotiated. An attacker can recover the private key from a…
- risk 0.46cvss 8.1epss 0.00
Mattermost versions 9.8.x <= 9.8.0, 9.7.x <= 9.7.4, 9.6.x <= 9.6.2 and 9.5.x <= 9.5.5, when shared channels are enabled, fail to use constant time comparison for remote cluster tokens which allows an attacker to retrieve the remote cluster token via a timing attack during remote…
- risk 0.46cvss 7.1epss 0.00
In the Linux kernel, the following vulnerability has been resolved: x86/fpu: Invalidate FPU state after a failed XRSTOR from a user buffer Both Intel and AMD consider it to be architecturally valid for XRSTOR to fail with #PF but nonetheless change the register state. The…