Weakness (CWE)
CWE-299: Improper Check for Certificate Revocation
The product does not check or incorrectly checks the revocation status of a certificate.
How to prevent it (2 mitigations)
-
Architecture and Design
Ensure that certificates are checked for revoked status.
-
Implementation
If certificate pinning is being used, ensure that all relevant properties of the certificate are fully validated before the certificate is pinned, including the revoked status.
Source: MITRE CWE-299
24 results · Feed
-
High 8.0
In JetBrains IntelliJ IDEA, PyCharm, PhpStorm, RubyMine and WebStorm before 2026.3, 2026.2.4, 2026.1.5.1, and 2025.3.6.…
-
Critical 9.4
Distrust compromised intermediate certificates in ssl module
Python has added a denylist for known compromised certificates to the "ssl" module to ensure user safety even without certificate revocation configured. Known compromised certificates will automatically be rejected regardless of the SSLContext policy configur…
-
High 7.4
Electron: Mitigation for compromised eMudhra intermediate certificates
Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to 42.11.16, 43.8.1, 44.9.1, and 45.0.0-beta.6, Electron does not block compromised eMudhra intermediate certificates in Chromium networking, Node.js…
-
Medium 6.8CVE-2026-111943 Public exploit
Distrust compromised intermediate certificates in crypto/x509
On most platforms, Go uses the given system root certificates. However, in some narrower cases, the system trust stores may not be updated without further action. To defend against the narrower set of cases that may remain affected, a denylist was added in cr…
-
Medium 4.4
Secure Boot Security Feature Bypass Vulnerability
No cwe for this issue in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.
-
Low 2.3
CRL check skipped when OCSP enabled and certificate has no OCSP URL
When an application enables both OCSP and CRL revocation checking on one WOLFSSL_CTX or certificate manager, wolfSSL skips the CRL check for any peer certificate that carries no Authority Information Access OCSP URL, and accepts a certificate the loaded CRL l…
-
Medium 6.5
Apache Tomcat: OpenSSL and OpenSSL-FFM TLS implementations ignore CRLs when certificate uses a keystore
Improper Check for Certificate Revocation vulnerability in Apache Tomcat. Both the OpenSSL and OpenSSL-FFM TLS implementations ignore CRLs when certificate uses a keystore. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.25, from 10.1.0-M1 throu…
-
Medium 4.4
rustls-webpki before 0.103.10 CRL Revocation Check Bypass
rustls-webpki versions before 0.103.10 and 0.104.0-alpha.5 contain faulty CRL authority-matching logic that compares only the first distributionPoint against each CRL's IssuingDistributionPoint, ignoring additional distributionPoints. Attackers with a comprom…
-
Medium 5.9
Io.netty/netty-handler-ssl-ocsp: netty: ocsp validation silently skipped when a response omits the optional nextupdate field
A flaw was found in Netty's `netty-handler-ssl-ocsp` component. A remote attacker can exploit this vulnerability by providing an Online Certificate Status Protocol (OCSP) response that omits the optional `nextUpdate` field. This omission causes the OCSP valid…
-
Low 3.7
mwiede jsch KnownHosts.java getRevokedKeys improper check for certificate revocation
A security flaw has been discovered in mwiede jsch up to 2.28.5. Affected is the function getRevokedKeys of the file src/main/java/com/jcraft/jsch/KnownHosts.java. Performing a manipulation of the argument known_hosts results in improper check for certificate…
-
High 8.1
nebula-mesh: Certificate revocation is never enforced at the mesh
nebula-mesh is a self-hosted control plane for Slack Nebula mesh VPN. Prior to version 0.7.1, revocation is the only in-band mechanism that isolates a compromised/offboarded host from a Nebula mesh. Because the blocklist never reaches any peer's config.yml, a…
-
High 7.4
Netty: Out-of-date OCSP Responses Accepted by OcspServerCertificateValidator
Netty is an asynchronous, event-driven network application framework. Prior to versions 4.1.136.Final and 4.2.16.Final, the OcspServerCertificateValidator flags an out-of-date OCSP response but does not stop processing it, so an expired GOOD response is still…
-
High 8.2
Rockwell Automation CompactLogix® 5380 ControlLogix® 5580 / 1756-EN4 Communications Module – Certificate Revocation List Vulnerability
A security issue exists within CompactLogix® 5380, ControlLogix® 5580, and EN4 communication modules related to CIP Security certificate revocation handling. The security issue stems from the controller failing to properly reject certificates signed by an int…
-
Medium —
Apple App Store Server Python Library: SignedDataVerifier accepts stale OCSP GOOD responses and can bypass certificate revocation checks
### Summary `SignedDataVerifier` attempts to perform online revocation checking when `enable_online_checks=True`, but its OCSP validation logic accepts stale `GOOD` responses as valid indefinitely. In `appstoreserverlibrary/signed_data_verifier.py`, `_ChainVe…
-
Medium 5.6
Improper Check for Certificate Revocation in S2OPC
Check for certificate revocation only considers the first matching CRL and ignores other valid CRLs of the same CA in the CycloneCrypto cryptographic wrapper of S2OPC library. It might allow connection between an OPC UA client and server using a revoked certi…
-
Low —
sequoia-git has broken hard revocation handling
Before `sq-git` checks if a commit can be authenticated, it first looks for hard revocations. Because parsing a policy is expensive and a project's policy rarely changes, `sq-git` has an optimization to only check a policy if it hasn't checked it before. It d…
-
High 7.4
CRL Distribution Point Scope Check Logic Error in AWS-LC
A logic error in CRL distribution point validation in AWS-LC before 1.71.0 causes partitioned CRLs to be incorrectly rejected as out of scope, which allows a revoked certificate to bypass certificate revocation checks. To remediate this issue, users should up…
-
High 8.2
Incorrect validation of OCSP certificates in TheGreenBow VPN Client Windows Enterprise
Incorrect validation of OCSP certificates vulnerability in TheGreenBow VPN, versions 7.5 and 7.6. During the IKEv2 authentication step, the OCSP-enabled VPN client establishes the tunnel even if it does not receive an OCSP response or if the OCSP response sig…
-
Medium 5.2
IBM Cognos Analytics Mobile (iOS) authentication bypass
IBM Cognos Analytics Mobile (iOS) 1.1.0 through 1.1.22 is vulnerable to authentication bypass by using the Local Authentication Framework library which is not needed as biometric authentication is not used in the application.
-
High 8.1
MongoDB Server running on Linux may allow unexpected connections where intermediate certificates are revoked
A MongoDB server under specific conditions running on Linux with TLS and CRL revocation status checking enabled, fails to check the revocation status of the intermediate certificates in the peer's certificate chain. In cases of MONGODB-X509, which is not enab…
-
Medium 4.0
Timestamp signature generation lacks certificate revocation check in notion-go
notion-go is a collection of libraries for supporting sign and verify OCI artifacts. Based on Notary Project specifications. This issue was identified during Quarkslab's audit of the timestamp feature. During the timestamp signature generation, the revocation…
-
High 7.0
Cloud Mobility for Dell EMC Storage, versions 1.3.0.X and below contains an Improper Check for Certificate Revocation v…
-
High 8.3
Juniper Networks Mist Cloud UI: SAML authentication certificate vulnerability.
When Security Assertion Markup Language (SAML) authentication is enabled, Juniper Networks Mist Cloud UI might incorrectly process invalid authentication certificates which could allow a malicious network-based user to access unauthorized data. This issue aff…
-
Unscored —
Philips Patient Monitoring Devices Improper Check for Certificate Revocation
In Patient Information Center iX (PICiX) Versions C.02 and C.03, PerformanceBridge Focal Point Version A.01, IntelliVue patient monitors MX100, MX400-MX550, MX750, MX850, and IntelliVue X3 Versions N and prior, the software does not check or incorrectly check…