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CWE-295

1,690 CVEs • Abstraction: Base

Improper Certificate Validation

The product does not validate, or incorrectly validates, a certificate.

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CVEs (1,690)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Linuxfoundation
1Dragonfly
Jun 17, 2026
Sep 17, 2025
2.7 LOW· v4
6.5 MEDIUM· v3
N/A· v2
Dragonfly is an open source P2P-based file distribution and image acceleration system. Prior to 2.1.0, The Manager disables TLS certificate verification in HTTP clients. The clients are not configurable, so users have no...Show more
Dragonfly is an open source P2P-based file distribution and image acceleration system. Prior to 2.1.0, The Manager disables TLS certificate verification in HTTP clients. The clients are not configurable, so users have no way to re-enable the verification. A Manager processes dozens of preheat jobs. An adversary performs a network-level Man-in-the-Middle attack, providing invalid data to the Manager. The Manager preheats with the wrong data, which later causes a denial of service and file integrity problems. This vulnerability is fixed in 2.1.0.Show less
1Cisa
1Thorium
Jun 17, 2026
Sep 17, 2025
2.3 LOW· v4
9.8 CRITICAL· v3
N/A· v2
CISA Thorium does not validate TLS certificates when connecting to Elasticsearch. An unauthenticated attacker with access to a Thorium cluster could impersonate the Elasticsearch service. Fixed in 1.1.2.
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Jun 17, 2026
Sep 16, 2025
N/A· v4
6.8 MEDIUM· v3
N/A· v2
A vulnerability exists in the Kubernetes C# client where the certificate validation logic accepts properly constructed certificates from any Certificate Authority (CA) without properly verifying the trust chain. This fla...Show more
A vulnerability exists in the Kubernetes C# client where the certificate validation logic accepts properly constructed certificates from any Certificate Authority (CA) without properly verifying the trust chain. This flaw allows a malicious actor to present a forged certificate and potentially intercept or manipulate communication with the Kubernetes API server, leading to possible man-in-the-middle attacks and API impersonation.Show less
1Bmc
1Control M/agent
Jun 17, 2026
Sep 16, 2025
9.5 CRITICAL· v4
9.0 CRITICAL· v3
N/A· v2
An authentication bypass vulnerability exists in the out-of-support Control-M/Agent versions 9.0.18 to 9.0.20 and potentially earlier unsupported versions when using an empty or default kdb keystore or a default PKCS#12...Show more
An authentication bypass vulnerability exists in the out-of-support Control-M/Agent versions 9.0.18 to 9.0.20 and potentially earlier unsupported versions when using an empty or default kdb keystore or a default PKCS#12 keystore. A remote attacker with access to a signed third-party or demo certificate for client authentication can bypass the need for a certificate signed by the certificate authority of the organization during authentication on the Control-M/Agent. The Control-M/Agent contains hardcoded certificates which are only trusted as fallback if an empty kdb keystore is used; they are never trusted if a PKCS#12 keystore is used. All of these certificates are now expired. In addition, the Control-M/Agent default kdb and PKCS#12 keystores contain trusted third-party certificates (external recognized CAs and default self-signed demo certificates) which are trusted for client authentication.Show less
1Avtech
1Eagleeyes(lite)
Jun 17, 2026
Sep 15, 2025
N/A· v4
8.8 HIGH· v3
N/A· v2
An issue was discovered in the method push.lite.avtech.com.MySSLSocketFactoryNew.checkServerTrusted in AVTECH EagleEyes 2.0.0. The custom X509TrustManager used in checkServerTrusted only checks the certificate's expirati...Show more
An issue was discovered in the method push.lite.avtech.com.MySSLSocketFactoryNew.checkServerTrusted in AVTECH EagleEyes 2.0.0. The custom X509TrustManager used in checkServerTrusted only checks the certificate's expiration date, skipping proper TLS chain validation.Show less
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Oct 18, 2026
Sep 12, 2025
6.3 MEDIUM· v4
4.8 MEDIUM· v3
N/A· v2
WTW-EAGLE App does not properly validate server certificates, which may allow a man-in-the-middle attacker to monitor encrypted traffic.
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Sep 26, 2026
Sep 3, 2025
7.7 HIGH· v4
N/A· v3
N/A· v2
PaperCut Print Deploy is an optional component that integrates with PaperCut NG/MF which simplifies printer deployment and management. When the component is deployed to an environment, the customer has an option to confi...Show more
PaperCut Print Deploy is an optional component that integrates with PaperCut NG/MF which simplifies printer deployment and management. When the component is deployed to an environment, the customer has an option to configure the system to use a self-signed certificate. If the customer does not fully configure the system to leverage the trust database on the clients, it opens up the communication between clients and the server to man-in-the-middle attacks.  It was discovered that certain parts of the documentation related to the configuration of SSL in Print Deploy were lacking, which could potentially contribute to a misconfiguration of the Print Deploy client installation. PaperCut strongly recommends to use valid certificates to secure installations and to follow the updated documentation to ensure the correct SSL configuration. Those who use private CAs and/or self-signed certificates should make sure to copy their Certification Authority certificate, or their self signed certificate if using only one, to the trust store of their operating system and to the Java key storeShow less
1Ibm
1Concert
Jun 17, 2026
Sep 1, 2025
N/A· v4
5.9 MEDIUM· v3
N/A· v2
IBM Concert Software 1.0.0 through 1.1.0 could allow a remote attacker to perform unauthorized actions using man in the middle techniques due to improper certificate validation.
1Qnap
1Qsync Central
Oct 18, 2026
Aug 29, 2025
8.3 HIGH· v4
8.8 HIGH· v3
N/A· v2
An improper certificate validation vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to compromise the security of the system. We...Show more
An improper certificate validation vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to compromise the security of the system. We have already fixed the vulnerability in the following version: Qsync Central 4.5.0.7 ( 2025/04/23 ) and laterShow less
1Qnap
1Qsync Central
Oct 18, 2026
Aug 29, 2025
8.3 HIGH· v4
8.8 HIGH· v3
N/A· v2
An improper certificate validation vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to compromise the security of the system. We...Show more
An improper certificate validation vulnerability has been reported to affect Qsync Central. If a remote attacker gains a user account, they can then exploit the vulnerability to compromise the security of the system. We have already fixed the vulnerability in the following version: Qsync Central 4.5.0.7 ( 2025/04/23 ) and laterShow less
1Tomtretbar
1Dell Powerscale
Sep 26, 2026
Aug 28, 2025
6.9 MEDIUM· v4
4.8 MEDIUM· v3
N/A· v2
Improper Certificate Validation in Checkmk Exchange plugin Dell Powerscale allows attackers in MitM position to intercept traffic.
1Tomtretbar
1Vmware Vsan
Sep 26, 2026
Aug 28, 2025
6.9 MEDIUM· v4
4.8 MEDIUM· v3
N/A· v2
Improper Certificate Validation in Checkmk Exchange plugin VMware vSAN allows attackers in MitM position to intercept traffic.
1Pawelko
1Freebox V6 Agent
Sep 26, 2026
Aug 28, 2025
6.9 MEDIUM· v4
4.8 MEDIUM· v3
N/A· v2
Improper Certificate Validation in Checkmk Exchange plugin Freebox v6 agent allows attackers in MitM position to intercept traffic.
1Heinlein Support
1Check Mk Python Api
Sep 26, 2026
Aug 28, 2025
6.9 MEDIUM· v4
4.8 MEDIUM· v3
N/A· v2
Improper Certificate Validation in Checkmk Exchange plugin check-mk-api allows attackers in MitM position to intercept traffic.
1Oetiker
1Bgp Monitoring
Sep 26, 2026
Aug 28, 2025
6.9 MEDIUM· v4
4.8 MEDIUM· v3
N/A· v2
Improper Certificate Validation in Checkmk Exchange plugin BGP Monitoring allows attackers in MitM position to intercept traffic.
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Jun 17, 2026
Aug 21, 2025
N/A· v4
9.1 CRITICAL· v3
N/A· v2
A malicious client can bypass the client certificate trust check of an opc.https server when the server endpoint is configured to allow only secure communication.
1Ibm
1Websphere Application Server
Jun 17, 2026
Aug 14, 2025
N/A· v4
7.5 HIGH· v3
N/A· v2
IBM WebSphere Application Server 8.5 and 9.0 could provide weaker than expected security for TLS connections.
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Jun 17, 2026
Aug 14, 2025
6.0 MEDIUM· v4
N/A· v3
N/A· v2
An insufficient validation on the server connection endpoint in Netskope Client allows local users to elevate privileges on the system. The insufficient validation allows Netskope Client to connect to any other server wi...Show more
An insufficient validation on the server connection endpoint in Netskope Client allows local users to elevate privileges on the system. The insufficient validation allows Netskope Client to connect to any other server with Public Signed CA TLS certificates and send specially crafted responses to elevate privileges.Show less
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Jun 17, 2026
Aug 13, 2025
5.3 MEDIUM· v4
N/A· v3
N/A· v2
An insufficient certificate validation issue in the Palo Alto Networks GlobalProtect™ app enables attackers to connect the GlobalProtect app to arbitrary servers. This can enable a local non-administrative operating syst...Show more
An insufficient certificate validation issue in the Palo Alto Networks GlobalProtect™ app enables attackers to connect the GlobalProtect app to arbitrary servers. This can enable a local non-administrative operating system user or an attacker on the same subnet to install malicious root certificates on the endpoint and subsequently install malicious software signed by the malicious root certificates on that endpoint.Show less
1F5
1F5 Access
Jun 17, 2026
Aug 13, 2025
8.8 HIGH· v4
7.4 HIGH· v3
N/A· v2
F5 Access for Android before version 3.1.2 which uses HTTPS does not verify the remote endpoint identity. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.