CWE-295— Improper Certificate Validation
The product does not validate, or incorrectly validates, a certificate.— MITRE CWE catalog
1,757 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-295page 20 of 36
- CVE-2024-39771MEDIUMCVSS 6.8EG 6.82024-08-28
QBiC CLOUD CC-2L v1.1.30 and earlier and Safie One v1.8.2 and earlier do not properly validate certificates, which may allow a network-adjacent unauthenticated attacker to obtain and/or alter communications of the affected product via a ma…
- CVE-2024-33612MEDIUMCVSS 6.8EG 6.82024-05-08
An improper certificate validation vulnerability exists in BIG-IP Next Central Manager and may allow an attacker to impersonate an Instance Provider system. Note: Software versions which have reached End of Technical Support (EoTS) are …
- CVE-2021-3898MEDIUMCVSS 6.8EG 6.82022-04-22
Versions of Motorola Ready For and Motorola Device Help Android applications prior to 2021-04-08 do not properly verify the server certificate which could lead to the communication channel being accessible by an attacker.
- CVE-2022-21657MEDIUMCVSS 6.8EG 6.82022-02-22
Envoy is an open source edge and service proxy, designed for cloud-native applications. In affected versions Envoy does not restrict the set of certificates it accepts from the peer, either as a TLS client or a TLS server, to only those ce…
- CVE-2022-20034MEDIUMCVSS 6.8EG 6.82022-02-09
In Preloader XFLASH, there is a possible escalation of privilege due to an improper certificate validation. This could lead to local escalation of privilege for an attacker who has physical access to the device with no additional execution…
- CVE-2020-15260MEDIUMCVSS 6.8EG 6.82021-03-10
PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. In version 2.10 and earlier, PJSIP transport can be reused if they hav…
- CVE-2021-20327MEDIUMCVSS 6.8EG 6.82021-02-25
A specific version of the Node.js mongodb-client-encryption module does not perform correct validation of the KMS server’s certificate. This vulnerability in combination with a privileged network position active MITM attack could result …
- CVE-2012-0955MEDIUMCVSS 6.8EG 6.82020-12-02
software-properties was vulnerable to a person-in-the-middle attack due to incorrect TLS certificate validation in softwareproperties/ppa.py. software-properties didn't check TLS certificates under python2 and only checked certificates und…
- CVE-2020-6781MEDIUMCVSS 6.8EG 6.82020-09-16
Improper certificate validation for certain connections in the Bosch Smart Home System App for iOS prior to version 9.17.1 potentially allows to intercept video contents by performing a man-in-the-middle attack.
- CVE-2020-24613MEDIUMCVSS 6.8EG 6.82020-08-24
wolfSSL before 4.5.0 mishandles TLS 1.3 server data in the WAIT_CERT_CR state, within SanityCheckTls13MsgReceived() in tls13.c. This is an incorrect implementation of the TLS 1.3 client state machine. This allows attackers in a privileged …
- CVE-2020-15720MEDIUMCVSS 6.8EG 6.82020-07-14
In Dogtag PKI through 10.8.3, the pki.client.PKIConnection class did not enable python-requests certificate validation. Since the verify parameter was hard-coded in all request functions, it was not possible to override the setting. As a r…
- CVE-2006-7246MEDIUMCVSS 6.8EG 6.82020-01-27
NetworkManager 0.9.x does not pin a certificate's subject to an ESSID when 802.11X authentication is used.
- CVE-2018-12205MEDIUMCVSS 6.8EG 6.82019-03-14
Improper certificate validation in Platform Sample/ Silicon Reference firmware for 8th Generation Intel(R) Core(tm) Processor, 7th Generation Intel(R) Core(tm) Processor may allow an unauthenticated user to potentially enable an escalation…
- CVE-2018-16261MEDIUMCVSS 6.8EG 6.82018-09-06
In Pulse Secure Pulse Desktop Client 5.3RX before 5.3R5 and 9.0R1, there is a Privilege Escalation Vulnerability with Dynamic Certificate Trust.
- CVE-2018-3927MEDIUMCVSS 6.8EG 6.82018-08-27
An exploitable information disclosure vulnerability exists in the crash handler of the hubCore binary of the Samsung SmartThings Hub STH-ETH-250 - Firmware version 0.20.17. When hubCore crashes, Google Breakpad is used to record minidumps,…
- CVE-2017-2648MEDIUMCVSS 6.8EG 6.82018-07-27
It was found that jenkins-ssh-slaves-plugin before version 1.15 did not perform host key verification, thereby enabling Man-in-the-Middle attacks.
- CVE-2017-3182MEDIUMCVSS 6.8EG 6.82018-07-24
On the iOS platform, the ThreatMetrix SDK versions prior to 3.2 fail to validate SSL certificates provided by HTTPS connections, which may allow an attacker to perform a man-in-the-middle (MITM) attack. ThreatMetrix is a security library f…
- CVE-2015-4100MEDIUMCVSS 6.8EG 6.82017-12-21
Puppet Enterprise 3.7.x and 3.8.0 might allow remote authenticated users to manage certificates for arbitrary nodes by leveraging a client certificate trusted by the master, aka a "Certificate Authority Reverse Proxy Vulnerability."
- CVE-2021-20328MEDIUMCVSS 6.4EG 6.82021-02-25
Specific versions of the Java driver that support client-side field level encryption (CSFLE) fail to perform correct host name verification on the KMS server’s certificate. This vulnerability in combination with a privileged network posi…
- CVE-2022-0123MEDIUMCVSS 5.9EG 6.82022-03-28
An issue has been discovered affecting GitLab versions prior to 14.4.5, between 14.5.0 and 14.5.3, and between 14.6.0 and 14.6.1. GitLab does not validate SSL certificates for some of external CI services which makes it possible to perform…
- CVE-2022-48306MEDIUMCVSS 5.7EG 6.82023-02-16
Improper Validation of Certificate with Host Mismatch vulnerability in Gotham Chat IRC helper of Palantir Gotham allows A malicious attacker in a privileged network position could abuse this to perform a man-in-the-middle attack. A success…
- CVE-2011-2874MEDIUMCVSS v2 6.8EG 6.82011-09-19
Google Chrome before 14.0.835.163 does not perform an expected pin operation for a self-signed certificate during a session, which has unspecified impact and remote attack vectors.
- CVE-2002-0862MEDIUMCVSS v2 6.8EG 6.82002-10-04
The (1) CertGetCertificateChain, (2) CertVerifyCertificateChainPolicy, and (3) WinVerifyTrust APIs within the CryptoAPI for Microsoft products including Microsoft Windows 98 through XP, Office for Mac, Internet Explorer for Mac, and Outloo…
- CVE-2026-106072MEDIUMCVSS 6.7EG 6.72026-10-23
A flaw in Node.js TLS hostname verification allows a certificate with only a DNS SAN to authenticate an IP endpoint when the client connects using a non-canonical IPv4 spelling, such as `0177.0.0.1`, `0x7f.0.0.1`, `2130706433` or `127.1`. …
- CVE-2024-14024MEDIUMCVSS 6.7EG 6.72026-03-11
An improper certificate validation vulnerability has been reported to affect Video Station. If an attacker gains local network access who have also gained an administrator account, they can then exploit the vulnerability to compromise the …
- CVE-2024-13956MEDIUMCVSS 6.7EG 6.72025-05-22
SSL Verification Bypass vulnerabilities exist in ASPECT if administrator credentials become compromisedThis issue affects ASPECT-Enterprise: through 3.*; NEXUS Series: through 3.*; MATRIX Series: through 3.*.
- CVE-2025-30000MEDIUMCVSS 6.7EG 6.72025-04-08
A vulnerability has been identified in Siemens License Server (SLS) (All versions < V4.3). The affected application does not properly restrict permissions of the users. This could allow a lowly-privileged attacker to escalate their privile…
- CVE-2024-30134MEDIUMCVSS 6.7EG 6.72024-09-26
The HCL Traveler for Microsoft Outlook executable (HTMO.exe) is being flagged as potentially Malicious Software or an Unrecognized Application.
- CVE-2022-20071MEDIUMCVSS 6.7EG 6.72022-04-11
In ccu, there is a possible escalation of privilege due to a missing certificate validation. This could lead to local escalation of privilege with System execution privileges needed. User interaction is no needed for exploitation. Patch ID…
- CVE-2021-22278MEDIUMCVSS 6.7EG 6.72021-10-28
A certificate validation vulnerability in PCM600 Update Manager allows attacker to get unwanted software packages to be installed on computer which has PCM600 installed.
- CVE-2019-12000MEDIUMCVSS 6.6EG 6.62020-07-17
HPE has found a potential Remote Access Restriction Bypass in HPE MSE Msg Gw application E-LTU prior to version 3.2 when HTTPS is used between the USSD and an external USSD service logic application. Update to version 3.2 and update the HT…
- CVE-2026-121452MEDIUMCVSS 6.5EG 6.52026-11-03
bbs-go through 4.4.6 contains an improper certificate validation vulnerability that allows network-positioned attackers to intercept SMTP traffic because sendEmail() sets InsecureSkipVerify to true. Attackers can present any certificate to…
- CVE-2026-119118MEDIUMCVSS 6.5EG 6.52026-10-29
Crawl4AI before 0.9.5 contains an improper certificate validation vulnerability that allows network attackers to intercept crawls because Chromium always launches with --ignore-certificate-errors. Man-in-the-middle or DNS-controlling attac…
- CVE-2026-108326MEDIUMCVSS 6.5EG 6.52026-10-27
Tanium addressed an improper certificate validation vulnerability in Stream Client Extension.
- CVE-2026-112006MEDIUMCVSS 6.5EG 6.52026-10-18
OpenTelemetry opentelemetry-exporter-otlp-proto-http 1.5.0 before 1.45.0 contains an improper certificate validation vulnerability that disables TLS verification when OTEL_EXPORTER_OTLP_CERTIFICATE variables are empty strings. Man-in-the-m…
- CVE-2026-77816MEDIUMCVSS 6.5EG 6.52026-10-13
IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.9 administrative client could allow man-in-the-middle attacks. An attacker could exploit this vulnerability to obtain sensitive information.
- CVE-2026-70194MEDIUMCVSS 6.5EG 6.52026-10-13
Improper certificate validation in .NET Framework allows an unauthorized attacker to bypass a security feature over a network.
- CVE-2026-92868MEDIUMCVSS 6.5EG 6.52026-09-30
An improper certificate validation vulnerability exists in Pgpool-II, which may allow an unauthenticated attacker to bypass client certificate authentication.
- CVE-2026-89102MEDIUMCVSS 6.5EG 6.52026-09-27
In wolfSSL versions 5.7.2 through 5.9.2 there is a client-side implementation flaw in RFC 6961, multiple OCSP response stapling, which can lead to certificate forgery. When a wolfSSL client enables OCSP stapling with the HAVE_CERTIFICATE_S…
- CVE-2026-89135MEDIUMCVSS 6.5EG 6.52026-09-27
A failed X509_verify_cert call permanently plants an unverified attacker CA in the shared CertManager, bypassing certificate validation in every type-blind sibling consumer (native TLS, OCSP, CRL, direct CM verify). This affects version 5.…
- CVE-2026-81868MEDIUMCVSS 6.5EG 6.52026-09-17
Steeltoe is an open source project that provides a collection of libraries that helps users build cloud-native applications. Prior to 4.3.0, Steeltoe.Security.Authorization.Certificate deployments using AddOrgAndSpacePolicies() and UseCert…
- CVE-2026-82662MEDIUMCVSS 6.5EG 6.52026-08-31
Nodemailer before 8.0.8 disables TLS certificate verification in lib/fetch/index.js through rejectUnauthorized: false, allowing attackers to intercept OAuth2 token requests. Attackers in a machine-in-the-middle position can capture OAuth c…
- CVE-2026-81034MEDIUMCVSS 6.5EG 6.52026-08-26
Netmaker disables certificate verification on the connection to the configured mail server. The sender in pro/email/smtp.go assigns a TLS configuration whose skip-verify field is set to true unconditionally, directly beneath a comment stat…
- CVE-2026-78323MEDIUMCVSS 6.5EG 6.52026-08-24
A flaw was found in JSS (Java Security Services). The JSSTrustManager class does not verify NSS trust flags when validating CA certificates, allowing certificates present in the NSS database without TRUSTED_CA flags to be accepted as trust…
- CVE-2026-53583MEDIUMCVSS 6.5EG 6.52026-08-20
libgit2 is a portable C implementation of the Git core methods provided as a linkable library with a solid API, allowing to build Git functionality into your application. Prior to 1.8.6 and 1.9.5, verify_server_cert in src/libgit2/streams/…
- CVE-2026-66404MEDIUMCVSS 6.5EG 6.52026-08-10
DEEBOT PRO M1 and DEEBOT PRO K1VAC do not validate server certificates in MQTT communications. Operation logs and activity logs stored on the affected products may be retrieved.
- CVE-2025-9291MEDIUMCVSS 6.5EG 6.52026-08-03
A certification validation weakness exists in communication between affected Omada devices and cloud controllers. Certificate identity verification does not adequately validate that a presented certificate corresponds to the expected cloud…
- CVE-2026-50302MEDIUMCVSS 6.5EG 6.52026-07-14
Improper certificate validation in Windows Cryptographic Services allows an unauthorized attacker to bypass a security feature over a network.
- CVE-2026-50149MEDIUMCVSS 6.5EG 6.52026-07-02
Contour is a Kubernetes ingress controller using Envoy proxy. In versions 1.23.0 through 1.33.4, when an `HTTPProxy` is configured with incompatible combination of both `.spec.virtualhost.tls.enableFallbackCertificate: true` and `.spec.vir…
- CVE-2026-6091MEDIUMCVSS 6.5EG 6.52026-06-25
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 ha…
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