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CWE-295

1,445 CVEs • Abstraction: Base

Improper Certificate Validation

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

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CVEs (1,445)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
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Jun 17, 2026
Jan 15, 2025
7.7 HIGH· v4
7.5 HIGH· v3
N/A· v2
An issue in the native clients for Amazon WorkSpaces (when running Amazon DCV protocol), Amazon AppStream 2.0, and Amazon DCV Clients may allow an attacker to access remote sessions via man-in-the-middle.
1Cpplusworld
1Cp Vnr 3104 Firmware
Jun 17, 2026
Jan 10, 2025
N/A· v4
5.9 MEDIUM· v3
N/A· v2
An issue in CP Plus CP-VNR-3104 B3223P22C02424 allows attackers to obtain the second RSA private key and access sensitive data or execute a man-in-the-middle attack.
1Cpplusworld
1Cp Vnr 3104 Firmware
Jun 17, 2026
Jan 10, 2025
N/A· v4
7.4 HIGH· v3
N/A· v2
Improper handling and storage of certificates in CP Plus CP-VNR-3104 B3223P22C02424 allow attackers to decrypt communications or execute a man-in-the-middle attacks.
1Cpplusworld
1Cp Vnr 3104 Firmware
Jun 17, 2026
Jan 10, 2025
N/A· v4
5.9 MEDIUM· v3
N/A· v2
An issue in CP Plus CP-VNR-3104 B3223P22C02424 allows attackers to access the Diffie-Hellman (DH) parameters and access sensitive data or execute a man-in-the-middle attack.
1Cpplusworld
1Cp Vnr 3104 Firmware
Jun 17, 2026
Jan 10, 2025
N/A· v4
5.9 MEDIUM· v3
N/A· v2
An issue in CP Plus CP-VNR-3104 B3223P22C02424 allows attackers to obtain the EC private key and access sensitive data or execute a man-in-the-middle attack.
1Cisco
1Thousandeyes Endpoint Agent
Jun 17, 2026
Jan 8, 2025
N/A· v4
4.8 MEDIUM· v3
N/A· v2
A vulnerability in certification validation routines of Cisco ThousandEyes Endpoint Agent for macOS and RoomOS could allow an unauthenticated, remote attacker to intercept or manipulate metrics information. This vulne...Show more
A vulnerability in certification validation routines of Cisco ThousandEyes Endpoint Agent for macOS and RoomOS could allow an unauthenticated, remote attacker to intercept or manipulate metrics information. This vulnerability exists because the affected software does not properly validate certificates for hosted metrics services. An on-path attacker could exploit this vulnerability by intercepting network traffic using a crafted certificate. A successful exploit could allow the attacker to masquerade as a trusted host and monitor or change communications between the remote metrics service and the vulnerable client.Show less
1Mozilla
2Firefox
Thunderbird
Jun 17, 2026
Jan 7, 2025
N/A· v4
4.0 MEDIUM· v3
N/A· v2
When using Alt-Svc, ALPN did not properly validate certificates when the original server is redirecting to an insecure site. This vulnerability was fixed in Firefox 134, Firefox ESR 128.6, Thunderbird 134, and Thunderbir...Show more
When using Alt-Svc, ALPN did not properly validate certificates when the original server is redirecting to an insecure site. This vulnerability was fixed in Firefox 134, Firefox ESR 128.6, Thunderbird 134, and Thunderbird 128.6.Show less
1Ibm
2Cognos Controller
Controller
Jun 17, 2026
Jan 7, 2025
N/A· v4
8.2 HIGH· v3
N/A· v2
IBM Cognos Controller 11.0.0 through 11.0.1 and IBM Controller 11.1.0 could allow an unauthorized user to obtain valid tokens to gain access to protected resources due to improper certificate validation.
1Tcpdf Project
1Tcpdf
Jun 17, 2026
Dec 27, 2024
N/A· v4
9.8 CRITICAL· v3
N/A· v2
An issue was discovered in TCPDF before 6.8.0. If libcurl is used, CURLOPT_SSL_VERIFYHOST and CURLOPT_SSL_VERIFYPEER are set unsafely.
1Ibm
1Storage Defender Resiliency Service
Jun 17, 2026
Dec 18, 2024
N/A· v4
7.5 HIGH· v3
N/A· v2
IBM Storage Defender - Resiliency Service 2.0.0 through 2.0.9 does not properly validate a certificate which could allow an attacker to spoof a trusted entity by interfering in the communication path between the host and...Show more
IBM Storage Defender - Resiliency Service 2.0.0 through 2.0.9 does not properly validate a certificate which could allow an attacker to spoof a trusted entity by interfering in the communication path between the host and client.Show less
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Jun 17, 2026
Dec 16, 2024
N/A· v4
8.1 HIGH· v3
N/A· v2
An improper certificate validation vulnerability was reported in LADM that could allow a network attacker with the ability to redirect an update request to a remote server and execute code with elevated privileges.
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Jun 17, 2026
Dec 16, 2024
N/A· v4
7.8 HIGH· v3
N/A· v2
An improper validation vulnerability was reported in the firmware update mechanism of LADM and LDCC that could allow a local attacker to escalate privileges.
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Jun 17, 2026
Dec 13, 2024
5.7 MEDIUM· v4
7.1 HIGH· v3
N/A· v2
Versions of the package djoser before 2.3.0 are vulnerable to Authentication Bypass when the authenticate() function fails. This is because the system falls back to querying the database directly, granting access to user...Show more
Versions of the package djoser before 2.3.0 are vulnerable to Authentication Bypass when the authenticate() function fails. This is because the system falls back to querying the database directly, granting access to users with valid credentials, and eventually bypassing custom authentication checks such as two-factor authentication, LDAP validations, or requirements from configured AUTHENTICATION_BACKENDS.Show less
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Jun 17, 2026
Dec 9, 2024
N/A· v4
2.7 LOW· v3
N/A· v2
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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Jun 17, 2026
Dec 9, 2024
N/A· v4
6.8 MEDIUM· v3
N/A· v2
Altair is a GraphQL client for all platforms. Prior to version 8.0.5, Altair GraphQL Client's desktop app does not validate HTTPS certificates allowing a man-in-the-middle to intercept all requests. Any Altair users on u...Show more
Altair is a GraphQL client for all platforms. Prior to version 8.0.5, Altair GraphQL Client's desktop app does not validate HTTPS certificates allowing a man-in-the-middle to intercept all requests. Any Altair users on untrusted networks (eg. public wifi, malicious DNS servers) may have all GraphQL request and response headers and bodies fully compromised including authorization tokens. The attack also allows obtaining full access to any signed-in Altair GraphQL Cloud account and replacing payment checkout pages with a malicious website. Version 8.0.5 fixes the issue.Show less
1Qnap
2Qts
Quts Hero
Jun 17, 2026
Dec 6, 2024
7.3 HIGH· v4
7.5 HIGH· v3
N/A· v2
An improper certificate validation vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow attackers with local network access to compromise the secur...Show more
An improper certificate validation vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow attackers with local network access to compromise the security of the system. We have already fixed the vulnerability in the following versions: QTS 5.1.9.2954 build 20241120 and later QTS 5.2.2.2950 build 20241114 and later QuTS hero h5.1.9.2954 build 20241120 and later QuTS hero h5.2.2.2952 build 20241116 and laterShow less
1Canonical
1Lxd
Jun 17, 2026
Dec 6, 2024
N/A· v4
3.8 LOW· v3
N/A· v2
Mark Laing discovered in LXD's PKI mode, until version 5.21.1, that a restricted certificate could be added to the trust store with its restrictions not honoured.
1Canonical
1Lxd
Jun 17, 2026
Dec 6, 2024
N/A· v4
3.8 LOW· v3
N/A· v2
Mark Laing discovered that LXD's PKI mode, until version 5.21.2, could be bypassed if the client's certificate was present in the trust store.
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Jun 17, 2026
Dec 5, 2024
N/A· v4
5.5 MEDIUM· v3
N/A· v2
OTP is a set of Erlang libraries, which consists of the Erlang runtime system, a number of ready-to-use components mainly written in Erlang, and a set of design principles for Erlang programs. A regression was introduced...Show more
OTP is a set of Erlang libraries, which consists of the Erlang runtime system, a number of ready-to-use components mainly written in Erlang, and a set of design principles for Erlang programs. A regression was introduced into the ssl application of OTP starting at OTP-25.3.2.8, OTP-26.2, and OTP-27.0, resulting in a server or client verifying the peer when incorrect extended key usage is presented (i.e., a server will verify a client if they have server auth ext key usage and vice versa).Show less
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Jun 17, 2026
Dec 4, 2024
N/A· v4
7.1 HIGH· v3
N/A· v2
An Improper Certificate Validation on the UniFi iOS App managing a standalone UniFi Access Point (not using UniFi Network Application) could allow a malicious actor with access to an adjacent network to take control of t...Show more
An Improper Certificate Validation on the UniFi iOS App managing a standalone UniFi Access Point (not using UniFi Network Application) could allow a malicious actor with access to an adjacent network to take control of this UniFi Access Point. Affected Products: UniFi iOS App (Version 10.17.7 and earlier) Mitigation: UniFi iOS App (Version 10.18.0 or later).Show less