CWE-295

Improper Certificate Validation

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

CVE-2023-38686 (GCVE-0-2023-38686)

Vulnerability from cvelistv5 – Published: 2023-08-04 15:57 – Updated: 2024-10-08 17:50
VLAI
Title
Sydent does not verify email server certificates
Summary
Sydent is an identity server for the Matrix communications protocol. Prior to version 2.5.6, if configured to send emails using TLS, Sydent does not verify SMTP servers' certificates. This makes Sydent's emails vulnerable to interception via a man-in-the-middle (MITM) attack. Attackers with privileged access to the network can intercept room invitations and address confirmation emails. This is patched in Sydent 2.5.6. When patching, make sure that Sydent trusts the certificate of the server it is connecting to. This should happen automatically when using properly issued certificates. Those who use self-signed certificates should make sure to copy their Certification Authority certificate, or their self signed certificate if using only one, to the trust store of your operating system. As a workaround, one can ensure Sydent's emails fail to send by setting the configured SMTP server to a loopback or non-routable address under one's control which does not have a listening SMTP server.
CWE
  • CWE-295 - Improper Certificate Validation
Assigner
Impacted products
Vendor Product Version
matrix-org sydent Affected: < 2.5.6
Create a notification for this product.
Show details on NVD website

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CVE-2023-39441 (GCVE-0-2023-39441)

Vulnerability from cvelistv5 – Published: 2023-08-23 15:39 – Updated: 2025-02-13 17:03
VLAI
Title
Apache Airflow SMTP Provider, Apache Airflow IMAP Provider, Apache Airflow: SMTP/IMAP client components allowed MITM due to missing Certificate Validation
Summary
Apache Airflow SMTP Provider before 1.3.0, Apache Airflow IMAP Provider before 3.3.0, and Apache Airflow before 2.7.0 are affected by the Validation of OpenSSL Certificate vulnerability. The default SSL context with SSL library did not check a server's X.509 certificate.  Instead, the code accepted any certificate, which could result in the disclosure of mail server credentials or mail contents when the client connects to an attacker in a MITM position. Users are strongly advised to upgrade to Apache Airflow version 2.7.0 or newer, Apache Airflow IMAP Provider version 3.3.0 or newer, and Apache Airflow SMTP Provider version 1.3.0 or newer to mitigate the risk associated with this vulnerability
Severity
No CVSS data available.
CWE
  • CWE-295 - Improper Certificate Validation
Assigner
Credits
Martin Schobert, Pentagrid AG
Show details on NVD website

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CVE-2023-41180 (GCVE-0-2023-41180)

Vulnerability from cvelistv5 – Published: 2023-09-03 15:52 – Updated: 2024-09-27 18:47
VLAI
Title
Apache NiFi MiNiFi C++: Incorrect Certificate Validation in InvokeHTTP for MiNiFi C++
Summary
Incorrect certificate validation in InvokeHTTP on Apache NiFi MiNiFi C++ versions 0.13 to 0.14 allows an intermediary to present a forged certificate during TLS handshake negotation. The Disable Peer Verification property of InvokeHTTP was effectively flipped, disabling verification by default, when using HTTPS. Mitigation: Set the Disable Peer Verification property of InvokeHTTP to true when using MiNiFi C++ versions 0.13.0 or 0.14.0. Upgrading to MiNiFi C++ 0.15.0 corrects the default behavior.
Severity
No CVSS data available.
CWE
  • CWE-295 - Improper Certificate Validation
Assigner
References
Impacted products
Vendor Product Version
Apache Software Foundation Apache NiFi MiNiFi C++ Affected: 0.13.0 , ≤ 0.14.0 (semver)
Create a notification for this product.
Credits
Ferenc Gerlits
Show details on NVD website

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CVE-2023-43017 (GCVE-0-2023-43017)

Vulnerability from cvelistv5 – Published: 2024-02-07 16:10 – Updated: 2025-11-03 21:49
VLAI
Title
IBM Security Verify Access man in the middle
Summary
IBM Security Verify Access 10.0.0.0 through 10.0.6.1 could allow a privileged user to install a configuration file that could allow remote access. IBM X-Force ID: 266155.
CWE
  • CWE-295 - Improper Certificate Validation
Assigner
ibm
Impacted products
Vendor Product Version
IBM Security Verify Access Appliance Affected: 10.0.0.0 , ≤ 10.0.6.1 (semver)
Create a notification for this product.
IBM Security Verify Access Docker Affected: 10.0.0.0 , ≤ 10.0.6.1 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2023-43082 (GCVE-0-2023-43082)

Vulnerability from cvelistv5 – Published: 2023-11-22 16:16 – Updated: 2024-08-02 19:37
VLAI
Summary
Dell Unity prior to 5.3 contains a 'man in the middle' vulnerability in the vmadapter component. If a customer has a certificate signed by a third-party public Certificate Authority, the vCenter CA could be spoofed by an attacker who can obtain a CA-signed certificate.
CWE
  • CWE-295 - Improper Certificate Validation
Assigner
References
Impacted products
Vendor Product Version
Dell Unity Affected: Versions prior to 5.3.0.0.5.120
Create a notification for this product.
Date Public
2023-11-22 06:30
Show details on NVD website

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CVE-2023-47537 (GCVE-0-2023-47537)

Vulnerability from cvelistv5 – Published: 2024-02-15 13:59 – Updated: 2026-01-14 09:15
VLAI
Summary
An improper certificate validation vulnerability in Fortinet FortiOS 7.4.0 through 7.4.1, FortiOS 7.2.0 through 7.2.6, FortiOS 7.0.0 through 7.0.15, FortiOS 6.4 all versions allows a remote and unauthenticated attacker to perform a Man-in-the-Middle attack on the FortiLink communication channel between the FortiOS device and FortiSwitch.
CWE
Assigner
References
Impacted products
Vendor Product Version
Fortinet FortiOS Affected: 7.4.0 , ≤ 7.4.1 (semver)
Affected: 7.2.0 , ≤ 7.2.6 (semver)
Affected: 7.0.0 , ≤ 7.0.15 (semver)
Affected: 6.4.0 , ≤ 6.4.16 (semver)
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    cpe:2.3:o:fortinet:fortios:6.4.0:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2023-47700 (GCVE-0-2023-47700)

Vulnerability from cvelistv5 – Published: 2024-02-07 16:20 – Updated: 2024-08-22 13:57
VLAI
Title
IBM Storage Virtualize improper certificate validation
Summary
IBM SAN Volume Controller, IBM Storwize, IBM FlashSystem and IBM Storage Virtualize 8.6 products could allow a remote attacker to spoof a trusted system that would not be correctly validated by the Storwize server. This could lead to a user connecting to a malicious host, believing that it was a trusted system and deceived into accepting spoofed data. IBM X-Force ID: 271016.
CWE
  • CWE-295 - Improper Certificate Validation
Assigner
ibm
Impacted products
Show details on NVD website

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CVE-2023-47742 (GCVE-0-2023-47742)

Vulnerability from cvelistv5 – Published: 2024-03-03 12:18 – Updated: 2024-09-20 19:04
VLAI
Title
IBM QRadar Suite information dislosure
Summary
IBM QRadar Suite Products 1.10.12.0 through 1.10.18.0 and IBM Cloud Pak for Security 1.10.0.0 through 1.10.11.0 could disclose sensitive information using man in the middle techniques due to not correctly enforcing all aspects of certificate validation in some circumstances. IBM X-Force ID: 272533.
CWE
  • CWE-295 - Improper Certificate Validation
Assigner
ibm
Impacted products
Vendor Product Version
IBM QRadar Suite Products Affected: 1.10.12.0 , ≤ 1.10.18.0 (semver)
Create a notification for this product.
IBM Cloud Pak for Security Affected: 1.10.0.0 , ≤ 1.10.11.0 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2023-4801 (GCVE-0-2023-4801)

Vulnerability from cvelistv5 – Published: 2023-09-13 15:14 – Updated: 2024-09-25 17:38
VLAI
Title
ITM MacOS Agent Improper Certificate Validation
Summary
An improper certification validation vulnerability in the Insider Threat Management (ITM) Agent for MacOS could be used by an anonymous actor on an adjacent network to establish a man-in-the-middle position between the agent and the ITM server after the agent has registered. All versions prior to 7.14.3.69 are affected. Agents for Windows, Linux, and Cloud are unaffected.
CWE
  • CWE-295 - Improper Certificate Validation
Assigner
Impacted products
Vendor Product Version
Proofpoint Insider Threat Management Affected: 0 , ≤ 7.14.3 (semver)
Create a notification for this product.
Date Public
2023-09-13 15:00
Show details on NVD website

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CVE-2023-48427 (GCVE-0-2023-48427)

Vulnerability from cvelistv5 – Published: 2023-12-12 11:27 – Updated: 2024-11-25 21:16
VLAI
Summary
A vulnerability has been identified in SINEC INS (All versions < V1.0 SP2 Update 2). Affected products do not properly validate the certificate of the configured UMC server. This could allow an attacker to intercept credentials that are sent to the UMC server as well as to manipulate responses, potentially allowing an attacker to escalate privileges.
CWE
  • CWE-295 - Improper Certificate Validation
Assigner
Impacted products
Vendor Product Version
Siemens SINEC INS Affected: All versions < V1.0 SP2 Update 2
Create a notification for this product.
Show details on NVD website

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              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-12-12T11:27:18.362Z",
        "orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
        "shortName": "siemens"
      },
      "references": [
        {
          "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-077170.pdf"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
    "assignerShortName": "siemens",
    "cveId": "CVE-2023-48427",
    "datePublished": "2023-12-12T11:27:18.362Z",
    "dateReserved": "2023-11-16T16:30:40.849Z",
    "dateUpdated": "2024-11-25T21:16:41.045Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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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