Common Weakness Enumeration

CWE-295

Allowed

Improper Certificate Validation

Abstraction: Base · Status: Draft

API response cwe.mitre.org

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

2248 vulnerabilities reference this CWE, most recent first.

CVE-2017-2623 (GCVE-0-2017-2623)

Vulnerability from cvelistv5 – Published: 2018-07-27 18:00 – Updated: 2024-08-05 14:02
VLAI
Summary
It was discovered that rpm-ostree and rpm-ostree-client before 2017.3 fail to properly check GPG signatures on packages when doing layering. Packages with unsigned or badly signed content could fail to be rejected as expected. This issue is partially mitigated on RHEL Atomic Host, where certificate pinning is used by default.
Severity
5.3 (Medium)
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
CWE
Assigner
References
URL Tags
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… x_refsource_CONFIRM
https://access.redhat.com/errata/RHSA-2017:0444 vendor-advisoryx_refsource_REDHAT
http://www.securityfocus.com/bid/96558 vdb-entryx_refsource_BID
Impacted products
Date Public
2018-07-27 00:00
Show details on NVD website
To clipboard 

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CVE-2016-10534 (GCVE-0-2016-10534)

Vulnerability from cvelistv5 – Published: 2018-05-31 20:00 – Updated: 2024-09-17 02:37
VLAI
Summary
electron-packager is a command line tool that packages Electron source code into `.app` and `.exe` packages. along with Electron. The `--strict-ssl` command line option in electron-packager >= 5.2.1 <= 6.0.0 || >=6.0.0 <= 6.0.2 defaults to false if not explicitly set to true. This could allow an attacker to perform a man in the middle attack.
Severity
No CVSS data available.
CWE
  • CWE-295 - Improper Certificate Validation (CWE-295)
Assigner
References
Impacted products
Vendor Product Version
HackerOne electron-packager node module Affected: >= 5.2.1 <= 6.0.0 || >=6.0.0 <= 6.0.2
Create a notification for this product.
Date Public
2018-04-26 00:00
Show details on NVD website
To clipboard 

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CVE-2016-7075 (GCVE-0-2016-7075)

Vulnerability from cvelistv5 – Published: 2018-09-10 14:00 – Updated: 2024-08-06 01:50
VLAI
Summary
It was found that Kubernetes as used by Openshift Enterprise 3 did not correctly validate X.509 client intermediate certificate host name fields. An attacker could use this flaw to bypass authentication requirements by using a specially crafted X.509 certificate.
Severity
7.5 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CWE
Assigner
References
Impacted products
Vendor Product Version
Red Hat OpenShift Affected: n/a
Create a notification for this product.
Date Public
2016-10-10 00:00
Show details on NVD website
To clipboard 

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CVE-2016-6562 (GCVE-0-2016-6562)

Vulnerability from cvelistv5 – Published: 2018-07-13 20:00 – Updated: 2024-08-06 01:36
VLAI
Title
ShoreTel Mobility Client for iOS and Android, version 9.1.3.109 and earlier, fails to properly validate SSL certificates provided by HTTPS connections
Summary
On iOS and Android devices, the ShoreTel Mobility Client app version 9.1.3.109 fails to properly validate SSL certificates provided by HTTPS connections, which means that an attacker in the position to perform MITM attacks may be able to obtain sensitive account information such as login credentials.
Severity
No CVSS data available.
CWE
Assigner
References
URL Tags
https://www.info-sec.ca/advisories/ShoreTel-Mobil… x_refsource_MISC
https://www.kb.cert.org/vuls/id/475907 third-party-advisoryx_refsource_CERT-VN
https://www.securityfocus.com/bid/95224 vdb-entryx_refsource_BID
Impacted products
Vendor Product Version
ShoreTel Mobility Client iOS Affected: 9.1.3.109 , ≤ 9.1.3.109 (custom)
Create a notification for this product.
ShoreTel Mobility Client Andoid Affected: 9.1.3.109 , ≤ 9.1.3.109 (custom)
Create a notification for this product.
Date Public
2017-01-03 00:00
Show details on NVD website
To clipboard 

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CVE-2014-8164 (GCVE-0-2014-8164)

Vulnerability from cvelistv5 – Published: 2022-07-06 19:06 – Updated: 2024-08-06 13:10
VLAI
Summary
A insecure configuration for certificate verification (http.verify_mode = OpenSSL::SSL::VERIFY_NONE) may lead to verification bypass in Red Hat CloudForms 5.x.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a Red Hat CloudForms Affected: Red Hat CloudForms 5.x
Show details on NVD website
To clipboard 

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CVE-2013-10001 (GCVE-0-2013-10001)

Vulnerability from cvelistv5 – Published: 2022-05-17 07:30 – Updated: 2025-04-15 14:40
VLAI
Title
HTC One/Sense Mail Client certificate validation
Summary
A vulnerability was found in HTC One/Sense 4.x. It has been rated as problematic. Affected by this issue is the certification validation of the mail client. An exploit has been disclosed to the public and may be used.
Severity
4.8 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-14 17:14 UTC
CWE
  • CWE-295 - Improper Certificate Validation
Assigner
References
Impacted products
Credits
Max Moser/Martin Schobert
Show details on NVD website
To clipboard 

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CVE-2012-0955 (GCVE-0-2012-0955)

Vulnerability from cvelistv5 – Published: 2020-12-02 00:50 – Updated: 2024-09-16 17:14
VLAI
Title
software-properties incorrectly validated TLS certificates
Summary
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 under python3 if a valid certificate bundle was provided. Fixed in software-properties version 0.92.
Severity
6.8 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
CWE
  • CWE-295 - Improper Certificate Validation
Assigner
References
URL Tags
https://launchpad.net/bugs/1036839 vendor-advisoryx_refsource_UBUNTU
https://code.launchpad.net/~cyphermox/software-pr… vendor-advisoryx_refsource_UBUNTU
Impacted products
Vendor Product Version
Canonical software-properties Affected: 0.92 , < 0.92 (custom)
Create a notification for this product.
Date Public
2012-08-14 00:00
Credits
Marc Deslauriers
Show details on NVD website
To clipboard 

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CVE-2007-5967 (GCVE-0-2007-5967)

Vulnerability from cvelistv5 – Published: 2021-05-17 11:50 – Updated: 2024-08-07 15:47
VLAI
Summary
A flaw in Mozilla's embedded certificate code might allow web sites to install root certificates on devices without user approval.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a Mozilla Firefox Affected: unknown
Show details on NVD website
To clipboard 

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        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Mozilla Firefox",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "unknown"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A flaw in Mozilla\u0027s embedded certificate code might allow web sites to install root certificates on devices without user approval."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-295"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://bugzilla-dev.allizom.org/show_bug.cgi?id=406724",
              "refsource": "MISC",
              "url": "https://bugzilla-dev.allizom.org/show_bug.cgi?id=406724"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2007-5967",
    "datePublished": "2021-05-17T11:50:13.000Z",
    "dateReserved": "2007-11-14T00:00:00.000Z",
    "dateUpdated": "2024-08-07T15:47:00.630Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

GHSA-22FM-4Q7R-F7W4

Vulnerability from github – Published: 2026-09-27 12:30 – Updated: 2026-10-02 21:31
VLAI
Details

MatchTrustedPeer ignores the public key used, leading to forged CA clones passing verification. Affected builds are any that enable the macro WOLFSSL_TRUST_PEER_CERT and load CA certificates with wolfSSL_CTX_trust_peer_cert() or wolfSSL_trust_peer_cert(). The peer must know the certificates being loaded to either of those APIs to take advantage of the issue. When OPENSSL_COMPATIBLE_DEFAULTS is also defined this widens the affected API to include all CA certificate loading. Both macros are defined when using autoconf builds such as (nginx, haproxy, stunnel, wpas, apache httpd, hitch, bind, rsyslog, ffmpeg, all, distro). When the certificate is listed as a trusted peer certificate the issue previously allowed for a malicious (D)TLS server to bypass authentication once knowing which CA’s the client would accept. This also affects mutual authentication cases where the client knows which CA’s the server has loaded. If building with any of these configurations and using (D)TLS where the loaded CA’s could be known and authentication of the peer is desired, users should either: update to the latest wolfSSL version, apply the fix patch, or use the configure flag --disable-openssl-compatible-defaults and not load CA’s with wolfSSL_CTX_trust_peer_cert() or wolfSSL_trust_peer_cert() to mitigate the issue.

Severity
8.2 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N
8.3 (High)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N
Show details on source website
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{
  "affected": [],
  "aliases": [
    "CVE-2026-93302"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-295"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-27T10:16:59Z",
    "severity": "HIGH"
  },
  "details": "MatchTrustedPeer ignores the public key used, leading to forged CA clones passing verification. Affected builds are any that enable the macro WOLFSSL_TRUST_PEER_CERT and load CA certificates with wolfSSL_CTX_trust_peer_cert() or wolfSSL_trust_peer_cert(). The peer must know the certificates being loaded to either of those APIs to take advantage of the issue. When OPENSSL_COMPATIBLE_DEFAULTS is also defined this widens the affected API to include all CA certificate loading. Both macros are defined when using autoconf builds such as (nginx, haproxy, stunnel, wpas, apache httpd, hitch, bind, rsyslog, ffmpeg, all, distro). When the certificate is listed as a trusted peer certificate the issue previously allowed for a malicious (D)TLS server to bypass authentication once knowing which CA\u2019s the client would accept. This also affects mutual authentication cases where the client knows which CA\u2019s the server has loaded. If building with any of these configurations and using (D)TLS where the loaded CA\u2019s could be known and authentication of the peer is desired, users should either: update to the latest wolfSSL version, apply the fix patch, or use the configure flag --disable-openssl-compatible-defaults and not load CA\u2019s with wolfSSL_CTX_trust_peer_cert() or wolfSSL_trust_peer_cert() to mitigate the issue.",
  "id": "GHSA-22fm-4q7r-f7w4",
  "modified": "2026-10-02T21:31:57Z",
  "published": "2026-09-27T12:30:20Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-93302"
    },
    {
      "type": "WEB",
      "url": "https://github.com/wolfSSL/wolfssl/commit/22bcd51d553eaac1de37bee91fdac80cc47961e1"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

GHSA-22QW-G2HG-Q8W6

Vulnerability from github – Published: 2022-05-24 19:12 – Updated: 2022-05-24 19:12
VLAI
Details

The mechanism which performs certificate validation was discovered to have a flaw that resulted in certificates signed by an internal certificate authority to not be properly validated. This issue only affects clients that are configured to utilize Tenable.sc as the vulnerability data source.

Show details on source website
To clipboard 

{
  "affected": [],
  "aliases": [
    "CVE-2021-27018"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-295"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-08-30T18:15:00Z",
    "severity": "HIGH"
  },
  "details": "The mechanism which performs certificate validation was discovered to have a flaw that resulted in certificates signed by an internal certificate authority to not be properly validated. This issue only affects clients that are configured to utilize Tenable.sc as the vulnerability data source.",
  "id": "GHSA-22qw-g2hg-q8w6",
  "modified": "2022-05-24T19:12:29Z",
  "published": "2022-05-24T19:12:29Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-27018"
    },
    {
      "type": "WEB",
      "url": "https://puppet.com/security/cve/CVE-2021-27018"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}
Mitigation
Architecture and Design Implementation

Certificates should be carefully managed and checked to assure that data are encrypted with the intended owner's public key.

Mitigation
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 hostname.

CAPEC-459: Creating a Rogue Certification Authority Certificate

An adversary exploits a weakness resulting from using a hashing algorithm with weak collision resistance to generate certificate signing requests (CSR) that contain collision blocks in their "to be signed" parts. The adversary submits one CSR to be signed by a trusted certificate authority then uses the signed blob to make a second certificate appear signed by said certificate authority. Due to the hash collision, both certificates, though different, hash to the same value and so the signed blob works just as well in the second certificate. The net effect is that the adversary's second X.509 certificate, which the Certification Authority has never seen, is now signed and validated by that Certification Authority.

CAPEC-475: Signature Spoofing by Improper Validation

An adversary exploits a cryptographic weakness in the signature verification algorithm implementation to generate a valid signature without knowing the key.

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