CWE-295
Improper Certificate Validation
Description
The product does not validate, or incorrectly validates, a certificate.
Hierarchy (View 1000)
Related attack patterns (CAPEC)
CAPEC-459 · CAPEC-475
CVEs mapped to this weakness (1,505)
page 55 of 76| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2021-20435 | Med | 0.36 | 5.5 | 0.00 | Sep 23, 2021 | IBM Security Verify Bridge 1.0.5.0 does not properly validate a certificate which could allow a local attacker to obtain sensitive information that could aid in further attacks against the system. IBM X-Force ID: 196355. | ||
| CVE-2021-22939 | Med | 0.36 | 5.3 | 0.15 | Aug 16, 2021 | If the Node.js https API was used incorrectly and "undefined" was in passed for the "rejectUnauthorized" parameter, no error was returned and connections to servers with an expired certificate would have been accepted. | ||
| CVE-2019-14334 | Med | 0.36 | 5.5 | 0.00 | Aug 1, 2019 | An issue was discovered on D-Link 6600-AP, DWL-3600AP, and DWL-8610AP Ax 4.2.0.14 21/03/2019 devices. There is post-authenticated Certificate and RSA Private Key extraction through an insecure sslcert-get.cgi HTTP command. | ||
| CVE-2018-8356 | Med | 0.36 | 5.5 | 0.01 | Jul 11, 2018 | A security feature bypass vulnerability exists when Microsoft .NET Framework components do not correctly validate certificates, aka ".NET Framework Security Feature Bypass Vulnerability." This affects .NET Framework 4.7.2, Microsoft .NET Framework 3.0, Microsoft .NET Framework… | ||
| CVE-2018-8119 | Med | 0.36 | 5.6 | 0.01 | May 9, 2018 | A spoofing vulnerability exists when the Azure IoT Device Provisioning AMQP Transport library improperly validates certificates over the AMQP protocol, aka "Azure IoT SDK Spoofing Vulnerability." This affects C# SDK, C SDK, Java SDK. | ||
| CVE-2017-8445 | Med | 0.36 | 5.5 | 0.00 | Aug 18, 2017 | An error was found in the X-Pack Security TLS trust manager for versions 5.0.0 to 5.5.1. If reloading the trust material fails the trust manager will be replaced with an instance that trusts all certificates. This could allow any node using any certificate to join a cluster. The… | ||
| CVE-2016-7171 | Med | 0.36 | 5.6 | 0.01 | Dec 5, 2016 | NetApp Plug-in for Symantec NetBackup prior to version 2.0.1 makes use of a non-unique server certificate, making it vulnerable to impersonation. | ||
| CVE-2026-59818 | Med | 0.35 | 6.5 | 0.00 | Jul 8, 2026 | etcd is a distributed key-value store for the data of a distributed system. Prior to 3.5.32 and 3.6.13, when etcd is configured with --listen-client-http-urls to split HTTP and gRPC client endpoints onto separate listeners, the --client-crl-file Certificate Revocation List is… | ||
| CVE-2026-6091 | Med | 0.35 | 6.5 | 0.00 | Jun 25, 2026 | Partial-chain certificate verification may accept chains that terminate at a peer-supplied, untrusted intermediate certificate rather than a trusted anchor. An attacker could present a chain that ends at an intermediate they control and have it accepted as valid. This affects… | ||
| CVE-2026-44213 | Med | 0.35 | 6.5 | 0.00 | May 26, 2026 | The OpenTelemetry.Exporter.Instana exports telemetry to Instana backend. Prior to 1.1.0, the OpenTelemetry.Exporter.Instana NuGet package does not validate HTTPS/TLS certificates are valid when sending telemetry to a configured Instana back-end when a proxy is configured using… | ||
| CVE-2026-5263 | Med | 0.35 | 6.5 | 0.00 | Apr 9, 2026 | URI nameConstraints from constrained intermediate CAs are parsed but not enforced during certificate chain verification in wolfcrypt/src/asn.c. A compromised or malicious sub-CA could issue leaf certificates with URI SAN entries that violate the nameConstraints of the issuing… | ||
| CVE-2026-25834 | Med | 0.35 | 6.5 | 0.00 | Apr 1, 2026 | Mbed TLS v3.3.0 up to 3.6.5 and 4.0.0 allows Algorithm Downgrade. | ||
| CVE-2025-20215 | Med | 0.35 | 5.4 | 0.00 | Aug 6, 2025 | A vulnerability in the meeting-join functionality of Cisco Webex Meetings could have allowed an unauthenticated, network-proximate attacker to complete a meeting-join process in place of an intended targeted user, provided the requisite conditions were satisfied. Cisco has… | ||
| CVE-2025-32989 | Med | 0.35 | 5.3 | 0.01 | Jul 10, 2025 | A heap-buffer-overread vulnerability was found in GnuTLS in how it handles the Certificate Transparency (CT) Signed Certificate Timestamp (SCT) extension during X.509 certificate parsing. This flaw allows a malicious user to create a certificate containing a malformed SCT… | ||
| CVE-2025-3218 | Med | 0.35 | 5.4 | 0.00 | May 7, 2025 | IBM i 7.2, 7.3, 7.4, 7.5, and 7.6 is vulnerable to authentication and authorization attacks due to incorrect validation processing in IBM i Netserver. A malicious actor could use the weaknesses, in conjunction with brute force authentication attacks or to bypass authority… | ||
| CVE-2024-9160 | Med | 0.35 | — | 0.00 | Sep 27, 2024 | In versions of the PEADM Forge Module prior to 3.24.0 a security misconfiguration was discovered. | ||
| CVE-2024-8096 | Med | 0.35 | 6.5 | 0.01 | Sep 11, 2024 | When curl is told to use the Certificate Status Request TLS extension, often referred to as OCSP stapling, to verify that the server certificate is valid, it might fail to detect some OCSP problems and instead wrongly consider the response as fine. If the returned status… | ||
| CVE-2024-0853 | Med | 0.35 | 5.3 | 0.01 | Feb 3, 2024 | curl inadvertently kept the SSL session ID for connections in its cache even when the verify status (*OCSP stapling*) test failed. A subsequent transfer to the same hostname could then succeed if the session ID cache was still fresh, which then skipped the verify status check. | ||
| CVE-2022-22305 | Med | 0.35 | 5.4 | 0.00 | Sep 1, 2023 | An improper certificate validation vulnerability [CWE-295] in FortiManager 7.0.1 and below, 6.4.6 and below; FortiAnalyzer 7.0.2 and below, 6.4.7 and below; FortiOS 6.2.x and 6.0.x; FortiSandbox 4.0.x, 3.2.x and 3.1.x may allow a network adjacent and unauthenticated attacker… | ||
| CVE-2023-34410 | Med | 0.35 | 5.3 | 0.01 | Jun 5, 2023 | An issue was discovered in Qt before 5.15.15, 6.x before 6.2.9, and 6.3.x through 6.5.x before 6.5.2. Certificate validation for TLS does not always consider whether the root of a chain is a configured CA certificate. |
- risk 0.36cvss 5.5epss 0.00
IBM Security Verify Bridge 1.0.5.0 does not properly validate a certificate which could allow a local attacker to obtain sensitive information that could aid in further attacks against the system. IBM X-Force ID: 196355.
- risk 0.36cvss 5.3epss 0.15
If the Node.js https API was used incorrectly and "undefined" was in passed for the "rejectUnauthorized" parameter, no error was returned and connections to servers with an expired certificate would have been accepted.
- risk 0.36cvss 5.5epss 0.00
An issue was discovered on D-Link 6600-AP, DWL-3600AP, and DWL-8610AP Ax 4.2.0.14 21/03/2019 devices. There is post-authenticated Certificate and RSA Private Key extraction through an insecure sslcert-get.cgi HTTP command.
- risk 0.36cvss 5.5epss 0.01
A security feature bypass vulnerability exists when Microsoft .NET Framework components do not correctly validate certificates, aka ".NET Framework Security Feature Bypass Vulnerability." This affects .NET Framework 4.7.2, Microsoft .NET Framework 3.0, Microsoft .NET Framework…
- risk 0.36cvss 5.6epss 0.01
A spoofing vulnerability exists when the Azure IoT Device Provisioning AMQP Transport library improperly validates certificates over the AMQP protocol, aka "Azure IoT SDK Spoofing Vulnerability." This affects C# SDK, C SDK, Java SDK.
- risk 0.36cvss 5.5epss 0.00
An error was found in the X-Pack Security TLS trust manager for versions 5.0.0 to 5.5.1. If reloading the trust material fails the trust manager will be replaced with an instance that trusts all certificates. This could allow any node using any certificate to join a cluster. The…
- risk 0.36cvss 5.6epss 0.01
NetApp Plug-in for Symantec NetBackup prior to version 2.0.1 makes use of a non-unique server certificate, making it vulnerable to impersonation.
- risk 0.35cvss 6.5epss 0.00
etcd is a distributed key-value store for the data of a distributed system. Prior to 3.5.32 and 3.6.13, when etcd is configured with --listen-client-http-urls to split HTTP and gRPC client endpoints onto separate listeners, the --client-crl-file Certificate Revocation List is…
- risk 0.35cvss 6.5epss 0.00
Partial-chain certificate verification may accept chains that terminate at a peer-supplied, untrusted intermediate certificate rather than a trusted anchor. An attacker could present a chain that ends at an intermediate they control and have it accepted as valid. This affects…
- risk 0.35cvss 6.5epss 0.00
The OpenTelemetry.Exporter.Instana exports telemetry to Instana backend. Prior to 1.1.0, the OpenTelemetry.Exporter.Instana NuGet package does not validate HTTPS/TLS certificates are valid when sending telemetry to a configured Instana back-end when a proxy is configured using…
- risk 0.35cvss 6.5epss 0.00
URI nameConstraints from constrained intermediate CAs are parsed but not enforced during certificate chain verification in wolfcrypt/src/asn.c. A compromised or malicious sub-CA could issue leaf certificates with URI SAN entries that violate the nameConstraints of the issuing…
- risk 0.35cvss 6.5epss 0.00
Mbed TLS v3.3.0 up to 3.6.5 and 4.0.0 allows Algorithm Downgrade.
- risk 0.35cvss 5.4epss 0.00
A vulnerability in the meeting-join functionality of Cisco Webex Meetings could have allowed an unauthenticated, network-proximate attacker to complete a meeting-join process in place of an intended targeted user, provided the requisite conditions were satisfied. Cisco has…
- risk 0.35cvss 5.3epss 0.01
A heap-buffer-overread vulnerability was found in GnuTLS in how it handles the Certificate Transparency (CT) Signed Certificate Timestamp (SCT) extension during X.509 certificate parsing. This flaw allows a malicious user to create a certificate containing a malformed SCT…
- risk 0.35cvss 5.4epss 0.00
IBM i 7.2, 7.3, 7.4, 7.5, and 7.6 is vulnerable to authentication and authorization attacks due to incorrect validation processing in IBM i Netserver. A malicious actor could use the weaknesses, in conjunction with brute force authentication attacks or to bypass authority…
- risk 0.35cvss —epss 0.00
In versions of the PEADM Forge Module prior to 3.24.0 a security misconfiguration was discovered.
- risk 0.35cvss 6.5epss 0.01
When curl is told to use the Certificate Status Request TLS extension, often referred to as OCSP stapling, to verify that the server certificate is valid, it might fail to detect some OCSP problems and instead wrongly consider the response as fine. If the returned status…
- risk 0.35cvss 5.3epss 0.01
curl inadvertently kept the SSL session ID for connections in its cache even when the verify status (*OCSP stapling*) test failed. A subsequent transfer to the same hostname could then succeed if the session ID cache was still fresh, which then skipped the verify status check.
- risk 0.35cvss 5.4epss 0.00
An improper certificate validation vulnerability [CWE-295] in FortiManager 7.0.1 and below, 6.4.6 and below; FortiAnalyzer 7.0.2 and below, 6.4.7 and below; FortiOS 6.2.x and 6.0.x; FortiSandbox 4.0.x, 3.2.x and 3.1.x may allow a network adjacent and unauthenticated attacker…
- risk 0.35cvss 5.3epss 0.01
An issue was discovered in Qt before 5.15.15, 6.x before 6.2.9, and 6.3.x through 6.5.x before 6.5.2. Certificate validation for TLS does not always consider whether the root of a chain is a configured CA certificate.