CWE-295— Improper Certificate Validation
The product does not validate, or incorrectly validates, a certificate.— MITRE CWE catalog
1,760 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-295page 35 of 36
- CVE-2026-112037LOWCVSS 3.7EG 3.72026-10-19
A flaw has been found in diem-project diem up to 116974edfb9a5b8bd69cb13586dc62bcdbb485ad. Affected is an unknown function of the file dmCorePlugin/lib/vendor/gapi/gapi.class.php of the component Google Analytics Client. Executing a manipu…
- CVE-2026-88648LOWCVSS 3.7EG 3.72026-10-08
In GnuTLS v3.8.13, an excluded msUPN/SRV otherName is never checked. NOTE: the Supplier does not consider this an actionable security vulnerability because of its "threat model doesn't consider attacks only possible by modifying anything w…
- CVE-2026-18173LOWCVSS 3.7EG 3.72026-09-22
IBM Financial Transaction Manager (FTM) for RedHat OpenShift could allow a remote attacker to obtain sensitive information due to improper enforcement of mutual TLS authentication.
- CVE-2026-90623LOWCVSS 3.7EG 3.72026-09-14
A weakness has been identified in andreashappe cochise up to 0.4.1. Affected is the function asyncssh.connect of the file src/cochise/ssh_connection.py of the component SSH Host Key Handler. Executing a manipulation can lead to improper ce…
- CVE-2026-79690LOWCVSS 3.7EG 3.72026-09-09
Dell SCG 5.0 Appliance versions prior to 5.36.00.16 and Dell SCG 5.0 Application versions prior to 5.36.00.00, contains an Improper Certificate Validation vulnerability. An unauthenticated attacker with remote access could potentially expl…
- CVE-2026-79736LOWCVSS 3.7EG 3.72026-09-09
Dell SCG 5.0 Appliance versions prior to 5.36.00.16 and Dell SCG 5.0 Application versions prior to 5.36.00.00, contains an Improper Certificate Validation vulnerability. An unauthenticated attacker with remote access could potentially expl…
- CVE-2026-79729LOWCVSS 3.7EG 3.72026-09-09
Dell SCG 5.0 Appliance versions prior to 5.36.00.16 and Dell SCG 5.0 Application versions prior to 5.36.00.00, contains an Improper Certificate Validation vulnerability. An unauthenticated attacker with remote access could potentially expl…
- CVE-2026-79732LOWCVSS 3.7EG 3.72026-09-09
Dell Secure Connect Gateway (SCG) 5.0 Appliance, versions prior to 5.36.00.xx, contains an Improper Certificate Validation vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading …
- CVE-2026-42791LOWCVSS 3.7EG 3.72026-05-27
Improper Certificate Validation vulnerability in Erlang OTP public_key (pubkey_ocsp module) allows forged OCSP responses signed with an expired responder certificate to be accepted as valid. OCSP response verification in pubkey_ocsp:verif…
- CVE-2025-40745LOWCVSS 3.7EG 3.72026-04-14
A vulnerability has been identified in Siemens Software Center (All versions < V3.5.8.2), Simcenter 3D (All versions < V2506.6000), Simcenter Femap (All versions < V2506.0002), Simcenter STAR-CCM+ (All versions < V2602), Solid Edge SE2025 …
- CVE-2026-4587LOWCVSS 3.7EG 3.72026-03-23
A vulnerability was found in HybridAuth up to 3.12.2. This issue affects some unknown processing of the file src/HttpClient/Curl.php of the component SSL Handler. The manipulation of the argument curlOptions results in improper certificate…
- CVE-2026-32293LOWCVSS 3.7EG 3.72026-03-17
The GL-iNet Comet (GL-RM1) KVM connects to a GL-iNet site during boot-up to provision client and CA certificates. The GL-RM1 does not verify certificates used for this connection, allowing an attacker-in-the-middle to serve invalid client …
- CVE-2026-24122LOWCVSS 3.7EG 3.72026-02-19
Cosign provides code signing and transparency for containers and binaries. In versions 3.0.4 and below, an issuing certificate with a validity that expires before the leaf certificate will be considered valid during verification even if th…
- CVE-2025-15323LOWCVSS 3.7EG 3.72026-02-05
Tanium addressed an improper certificate validation vulnerability in Tanium Appliance.
- CVE-2026-24934LOWCVSS 3.7EG 3.72026-02-03
The DDNS function uses an insecure HTTP connection or fails to validate the SSL/TLS certificate when querying an external server for the device's WAN IP address. An unauthenticated remote attacker can perform a Man-in-the-Middle (MitM) att…
- CVE-2025-53869LOWCVSS 3.7EG 3.72026-01-29
Multiple MFPs provided by Brother Industries, Ltd. does not properly validate server certificates, which may allow a man-in-the-middle attacker to replace the set of root certificates used by the product with a set of arbitrary certificate…
- CVE-2025-52598LOWCVSS 3.7EG 3.72025-12-26
Cybersecurity Nozomi Networks Labs, a specialized security company focused on Industrial Control Systems (ICS) and OT/IoT security, has found a flaw that camera's client service does not perform certificate validation. The manufacturer has…
- CVE-2025-46551LOWCVSS 3.7EG 3.72025-05-07
JRuby-OpenSSL is an add-on gem for JRuby that emulates the Ruby OpenSSL native library. Starting in JRuby-OpenSSL version 0.12.1 and prior to version 0.15.4 (corresponding to JRuby versions starting in 9.3.4.0 prior to 9.4.12.1 and 10.0.0.…
- CVE-2024-4063LOWCVSS 3.7EG 3.72024-04-23
A vulnerability was found in EZVIZ CS-C6-21WFR-8 5.2.7 Build 170628. It has been classified as problematic. This affects an unknown part of the component Davinci Application. The manipulation leads to improper certificate validation. It is…
- CVE-2024-4062LOWCVSS 3.7EG 3.72024-04-23
A vulnerability was found in Hualai Xiaofang iSC5 3.2.2_112 and classified as problematic. Affected by this issue is some unknown functionality. The manipulation leads to improper certificate validation. The attack may be launched remotely…
- CVE-2022-43892LOWCVSS 3.7EG 3.72023-10-17
IBM Security Verify Privilege On-Premises 11.5 does not validate, or incorrectly validates, a certificate which could disclose sensitive information which could aid further attacks against the system. IBM X-Force ID: 240455.
- CVE-2022-34394LOWCVSS 3.7EG 3.72022-09-28
Dell OS10, version 10.5.3.4, contains an Improper Certificate Validation vulnerability in Support Assist. A remote unauthenticated attacker could potentially exploit this vulnerability, leading to unauthorized access to limited switch conf…
- CVE-2022-29482LOWCVSS 3.7EG 3.72022-06-14
'Mobaoku-Auction&Flea Market' App for iOS versions prior to 5.5.16 improperly verifies server certificates, which may allow an attacker to eavesdrop on an encrypted communication via a man-in-the-middle attack.
- CVE-2022-21170LOWCVSS 3.7EG 3.72022-03-10
Improper check for certificate revocation in i-FILTER Ver.10.45R01 and earlier, i-FILTER Ver.9.50R10 and earlier, i-FILTER Browser & Cloud MultiAgent for Windows Ver.4.93R04 and earlier, and D-SPA (Ver.3 / Ver.4) using i-FILTER allows a re…
- CVE-2021-36371LOWCVSS 3.7EG 3.72021-07-09
Emissary-Ingress (formerly Ambassador API Gateway) through 1.13.9 allows attackers to bypass client certificate requirements (i.e., mTLS cert_required) on backend upstreams when more than one TLSContext is defined and at least one configur…
- CVE-2021-22138LOWCVSS 3.7EG 3.72021-05-13
In Logstash versions after 6.4.0 and before 6.8.15 and 7.12.0 a TLS certificate validation flaw was found in the monitoring feature. When specifying a trusted server CA certificate Logstash would not properly verify the certificate returne…
- CVE-2020-9488LOWCVSS 3.7EG 3.72020-04-27
Improper validation of certificate with host mismatch in Apache Log4j SMTP appender. This could allow an SMTPS connection to be intercepted by a man-in-the-middle attack which could leak any log messages sent through that appender. Fixed i…
- CVE-2017-14806LOWCVSS 3.7EG 3.72020-01-27
A Improper Certificate Validation vulnerability in susestudio-common of SUSE Studio onsite allows remote attackers to MITM connections to the repositories, which allows the modification of packages received over these connections. This iss…
- CVE-2019-4150LOWCVSS 3.7EG 3.72019-06-25
IBM Security Access Manager 9.0.1 through 9.0.6 does not validate, or incorrectly validates, a certificate which could allow an attacker to spoof a trusted entity by using a man-in-the-middle (MITM) attack. IBM X-Force ID: 158510.
- CVE-2017-15528LOWCVSS 3.7EG 3.72017-11-22
Prior to v 7.6, the Install Norton Security (INS) product can be susceptible to a certificate spoofing vulnerability, which is a type of attack whereby a maliciously procured certificate binds the public key of an attacker to the domain na…
- CVE-2016-9015LOWCVSS 3.7EG 3.72017-01-11
Versions 1.17 and 1.18 of the Python urllib3 library suffer from a vulnerability that can cause them, in certain configurations, to not correctly validate TLS certificates. This places users of the library with those configurations at risk…
- CVE-2016-1000033LOWCVSS 3.7EG 3.72016-10-25
Shotwell version 0.22.0 (and possibly other versions) is vulnerable to a TLS/SSL certification validation flaw resulting in a potential for man in the middle attacks.
- CVE-2021-36382LOWCVSS 2.6EG 3.72021-07-12
Devolutions Server before 2021.1.18, and LTS before 2020.3.20, allows attackers to intercept private keys via a man-in-the-middle attack against the connections/partial endpoint (which accepts cleartext).
- CVE-2023-37397LOWCVSS 3.6EG 3.62024-04-19
IBM Aspera Faspex 5.0.0 through 5.0.7 could allow a local user to obtain or modify sensitive information due to improper encryption of certain data. IBM X-Force ID: 259672.
- CVE-2021-41019LOWCVSS 3.5EG 3.52021-11-02
An improper validation of certificate with host mismatch [CWE-297] vulnerability in FortiOS versions 6.4.6 and below may allow the connection to a malicious LDAP server via options in GUI, leading to disclosure of sensitive information, su…
- CVE-2025-69412LOWCVSS 3.4EG 3.42026-01-01
KDE messagelib before 25.11.90 ignores SSL errors for threatMatches:find in the Google Safe Browsing Lookup API (aka phishing API), which might allow spoofing of threat data. NOTE: this Lookup API is not contacted in the messagelib default…
- CVE-2026-54548LOWCVSS 3.3EG 3.32026-08-26
kas is a setup tool for bitbake based projects. Prior to 5.4, internal SSH key setup triggered by SSH_PRIVATE_KEY or SSH_PRIVATE_KEY_FILE creates ~/.ssh/config when no user-specific SSH configuration exists and adds a global Host * rule co…
- CVE-2022-23649LOWCVSS 3.3EG 3.32022-02-18
Cosign provides container signing, verification, and storage in an OCI registry for the sigstore project. Prior to version 1.5.2, Cosign can be manipulated to claim that an entry for a signature exists in the Rekor transparency log even if…
- CVE-2019-8642LOWCVSS 3.3EG 3.32020-10-27
An issue existed in the handling of S-MIME certificates. This issue was addressed with improved validation of S-MIME certificates. This issue is fixed in macOS Mojave 10.14.4, Security Update 2019-002 High Sierra, Security Update 2019-002 …
- CVE-2019-1552LOWCVSS 3.3EG 3.32019-07-30
OpenSSL has internal defaults for a directory tree where it can find a configuration file as well as certificates used for verification in TLS. This directory is most commonly referred to as OPENSSLDIR, and is configurable with the --prefi…
- CVE-2025-65083LOWCVSS 3.2EG 3.22025-11-17
GoSign Desktop through 2.4.1 disables TLS certificate validation when configured to use a proxy server. This can be problematic if the GoSign Desktop user selects an arbitrary proxy server without consideration of whether outbound HTTPS co…
- CVE-2026-105217LOWCVSS 3.1EG 3.12026-10-04
Cockpit CMS 2.12.0 before 2.14.1 disables TLS certificate verification in the cron.php web worker restart request, allowing network attackers to capture the worker token. Man-in-the-middle attackers on the outbound path to site_url can pre…
- CVE-2026-39388LOWCVSS 3.1EG 3.12026-04-21
OpenBao is an open source identity-based secrets management system. Prior to version 2.5.3, OpenBao's Certificate authentication method, when a token renewal is requested and `disable_binding=true` is set, attempts to verify the current re…
- CVE-2025-6026LOWCVSS 3.1EG 3.12025-10-15
An improper certificate validation vulnerability was reported in the Lenovo Universal Device Client (UDC) that could allow a user capable of intercepting network traffic to obtain application metadata, including device information, geoloca…
- CVE-2025-26478LOWCVSS 3.1EG 3.12025-04-17
Dell ECS version 3.8.1.4 and prior contain an Improper Certificate Validation vulnerability. An unauthenticated attacker with adjacent network access could potentially exploit this vulnerability, leading to Information disclosure.
- CVE-2023-34414LOWCVSS 3.1EG 3.12023-06-19
The error page for sites with invalid TLS certificates was missing the activation-delay Firefox uses to protect prompts and permission dialogs from attacks that exploit human response time delays. If a malicious page elicited user clicks i…
- CVE-2009-3552LOWCVSS 3.1EG 3.12019-11-09
In RHEV-M VDC 2.2.0, it was found that the SSL certificate was not verified when using the client-side Red Hat Enterprise Virtualization Manager interface (a Windows Presentation Foundation (WPF) XAML browser application) to connect to the…
- CVE-2024-42186LOWCVSS 2.8EG 2.82025-01-23
BigFix Patch Download Plug-ins are affected by an insecure protocol support. The application can allow improper handling of SSL certificates validation.
- CVE-2024-4786LOWCVSS 2.8EG 2.82024-07-26
An improper validation vulnerability was reported in the Lenovo Tab K10 that could allow a specially crafted application to keep the device on.
- CVE-2024-12174LOWCVSS 2.7EG 2.72024-12-09
An Improper Certificate Validation vulnerability exists in Tenable Security Center where an authenticated, privileged attacker could intercept email messages sent from Security Center via a rogue SMTP server.
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