Common Weakness Enumeration

CWE-295

Improper Certificate Validation

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

CVE-2025-58123 (GCVE-0-2025-58123)

Vulnerability from cvelistv5 – Published: 2025-08-28 12:59 – Updated: 2025-08-28 13:20
VLAI
Title
Lack of TLS validation in plugin BGP Monitoring on Checkmk Exchange
Summary
Improper Certificate Validation in Checkmk Exchange plugin BGP Monitoring allows attackers in MitM position to intercept traffic.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:H/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-295 - Improper Certificate Validation
Assigner
References
Impacted products
Vendor Product Version
Credits
Felix Eberstaller (Limes Security) Jakob Hartmann (Limes Security)
Show details on NVD website
To clipboard 

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CVE-2025-58124 (GCVE-0-2025-58124)

Vulnerability from cvelistv5 – Published: 2025-08-28 12:59 – Updated: 2025-10-07 09:33
VLAI
Title
Lack of TLS validation in plugin check-mk-api on Checkmk Exchange
Summary
Improper Certificate Validation in Checkmk Exchange plugin check-mk-api allows attackers in MitM position to intercept traffic.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:H/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-295 - Improper Certificate Validation
Assigner
References
Impacted products
Vendor Product Version
Affected: 2.2 , < 6.1.1 (semver)
Credits
Felix Eberstaller (Limes Security) Jakob Hartmann (Limes Security)
Show details on NVD website
To clipboard 

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CVE-2025-58125 (GCVE-0-2025-58125)

Vulnerability from cvelistv5 – Published: 2025-08-28 12:59 – Updated: 2025-08-28 13:17
VLAI
Title
Lack of TLS validation in plugin Freebox v6 agent on Checkmk Exchange
Summary
Improper Certificate Validation in Checkmk Exchange plugin Freebox v6 agent allows attackers in MitM position to intercept traffic.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:H/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-295 - Improper Certificate Validation
Assigner
References
Impacted products
Vendor Product Version
Credits
Felix Eberstaller (Limes Security) Jakob Hartmann (Limes Security)
Show details on NVD website
To clipboard 

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CVE-2025-58126 (GCVE-0-2025-58126)

Vulnerability from cvelistv5 – Published: 2025-08-28 12:59 – Updated: 2025-08-28 13:14
VLAI
Title
Lack of TLS validation in plugin VMware vSAN on Checkmk Exchange
Summary
Improper Certificate Validation in Checkmk Exchange plugin VMware vSAN allows attackers in MitM position to intercept traffic.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:H/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-295 - Improper Certificate Validation
Assigner
References
Impacted products
Vendor Product Version
Credits
Felix Eberstaller (Limes Security) Jakob Hartmann (Limes Security)
Show details on NVD website
To clipboard 

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CVE-2025-58127 (GCVE-0-2025-58127)

Vulnerability from cvelistv5 – Published: 2025-08-28 12:59 – Updated: 2025-08-28 13:12
VLAI
Title
Lack of TLS validation in plugin Dell Powerscale on Checkmk Exchange
Summary
Improper Certificate Validation in Checkmk Exchange plugin Dell Powerscale allows attackers in MitM position to intercept traffic.
Severity
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:H/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-295 - Improper Certificate Validation
Assigner
References
Impacted products
Vendor Product Version
Credits
Felix Eberstaller (Limes Security) Jakob Hartmann (Limes Security)
Show details on NVD website
To clipboard 

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CVE-2025-58781 (GCVE-0-2025-58781)

Vulnerability from cvelistv5 – Published: 2025-09-12 05:50 – Updated: 2025-09-12 16:30
VLAI
Summary
WTW-EAGLE App does not properly validate server certificates, which may allow a man-in-the-middle attacker to monitor encrypted traffic.
Severity
4.8 (Medium)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
6.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-295 - Improper certificate validation
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2025-59347 (GCVE-0-2025-59347)

Vulnerability from cvelistv5 – Published: 2025-09-17 19:23 – Updated: 2025-09-17 19:34
VLAI
Title
Dragonfly Manager makes requests to external endpoints with disabled TLS authentication
Summary
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.
Severity
2.7 (Low)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:L/E:U
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-295 - Improper Certificate Validation
Assigner
References
Impacted products
Vendor Product Version
dragonflyoss dragonfly Affected: < 2.1.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-59353 (GCVE-0-2025-59353)

Vulnerability from cvelistv5 – Published: 2025-09-17 19:53 – Updated: 2025-09-18 17:44
VLAI
Title
Manager generates mTLS certificates for arbitrary IP addresses
Summary
Dragonfly is an open source P2P-based file distribution and image acceleration system. Prior to 2.1.0, a peer can obtain a valid TLS certificate for arbitrary IP addresses, effectively rendering the mTLS authentication useless. The issue is that the Manager’s Certificate gRPC service does not validate if the requested IP addresses “belong to” the peer requesting the certificate—that is, if the peer connects from the same IP address as the one provided in the certificate request. This vulnerability is fixed in 2.1.0.
Severity
7.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-295 - Improper Certificate Validation
  • CWE-862 - Missing Authorization
Assigner
References
Impacted products
Vendor Product Version
dragonflyoss dragonfly Affected: < 2.1.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-60022 (GCVE-0-2025-60022)

Vulnerability from cvelistv5 – Published: 2025-11-17 05:51 – Updated: 2025-11-17 16:36
VLAI
Summary
Improper certificate validation vulnerability exists in 'デジラアプリ' App for iOS prior to ver.80.10.00. If this vulnerability is exploited, a man-in-the-middle attack may allow an attacker to eavesdrop on and/or tamper with an encrypted communication.
Severity
4.8 (Medium)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
2.3 (Low)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-295 - Improper certificate validation
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2025-6026 (GCVE-0-2025-6026)

Vulnerability from cvelistv5 – Published: 2025-10-15 14:25 – Updated: 2025-10-21 12:22
VLAI
Summary
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, geolocation, and telemetry data.
Severity
2.3 (Low)
CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
3.1 (Low)
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-295 - Improper Certificate Validation
Assigner
References
Impacted products
Vendor Product Version
Lenovo Universal Device Client Affected: 0 , < 25.7.0.21 (custom)
Create a notification for this product.
Credits
Lenovo thanks Tomi Koski from Visma / Red Team for reporting this issue.
Show details on NVD website
To clipboard 

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            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
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            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
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            "attackVector": "ADJACENT_NETWORK",
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              "cweId": "CWE-295",
              "description": "CWE-295: Improper Certificate Validation",
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              "type": "CWE"
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      "providerMetadata": {
        "dateUpdated": "2025-10-21T12:22:42.749Z",
        "orgId": "da227ddf-6e25-4b41-b023-0f976dcaca4b",
        "shortName": "lenovo"
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          "url": "https://support.lenovo.com/us/en/product_security/LEN-198727"
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    "assignerShortName": "lenovo",
    "cveId": "CVE-2025-6026",
    "datePublished": "2025-10-15T14:25:29.294Z",
    "dateReserved": "2025-06-12T12:28:13.697Z",
    "dateUpdated": "2025-10-21T12:22:42.749Z",
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Mitigation

Phases: Architecture and Design, Implementation

Description:

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

Phase: Implementation

Description:

  • 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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