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.

1906 vulnerabilities reference this CWE, most recent first.

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.
Severity
5.9 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-295 - Improper Certificate Validation
Assigner
ibm
References
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
To clipboard 

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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.
Severity
5.9 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-295 - Improper Certificate Validation
Assigner
ibm
References
Impacted products
Show details on NVD website
To clipboard 

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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.
Severity
4.4 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:X/RC:X
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
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)
    cpe:2.3:o:fortinet:fortios:7.4.1:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.4.0:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.2.6:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.2.5:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.2.4:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.2.3:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.2.2:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.2.1:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.2.0:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.15:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.14:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.13:*:*:*:*:*:*:*
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    cpe:2.3:o:fortinet:fortios:7.0.10:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.9:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.8:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.7:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.6:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.5:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.4:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:7.0.3:*:*:*:*:*:*:*
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    cpe:2.3:o:fortinet:fortios:6.4.14:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.13:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.12:*:*:*:*:*:*:*
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    cpe:2.3:o:fortinet:fortios:6.4.9:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.8:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.7:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.6:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.5:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.4:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.3:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.2:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.1:*:*:*:*:*:*:*
    cpe:2.3:o:fortinet:fortios:6.4.0:*:*:*:*:*:*:*
 Create a notification for this product.
fortinet fortios Affected: 6.4.0
Affected: 7.0.0
Affected: 7.2.0
Affected: 7.4.0
    cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
 Create a notification for this product.
Show details on NVD website
To clipboard 

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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.
Severity
8.6 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
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
To clipboard 

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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.
Severity
8.2 (High)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-295 - Improper Certificate Validation
Assigner
ibm
References
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
To clipboard 

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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.
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
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
To clipboard 

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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.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-295 - Improper Certificate Validation
Assigner
References
Impacted products
Credits
Martin Schobert, Pentagrid AG
Show details on NVD website
To clipboard 

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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.
Severity
9.3 (Critical)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-295 - Improper Certificate Validation
Assigner
References
Impacted products
Vendor Product Version
matrix-org sydent Affected: < 2.5.6
Create a notification for this product.
matrix sydent Affected: 0 , < 2.5.6 (custom)
    cpe:2.3:a:matrix:sydent:*:*:*:*:*:*:*:*
 Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2023-38009 (GCVE-0-2023-38009)

Vulnerability from cvelistv5 – Published: 2025-01-26 15:57 – Updated: 2025-01-27 14:52
VLAI
Title
IBM Cognos Analytics Mobile information disclosure
Summary
IBM Cognos Mobile Client 1.1 iOS may be vulnerable to information disclosure through man in the middle techniques due to the lack of certificate pinning.
Severity
4.2 (Medium)
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-295 - Improper Certificate Validation
Assigner
ibm
References
Impacted products
Vendor Product Version
IBM Cognos Analytics Mobile Affected: 1.1
    cpe:2.3:a:ibm:cognos_analytics_mobile:1.1:*:*:*:*:ios:*:*
 Create a notification for this product.
IBM Cognos Analytics Mobile Affected: 1.1
    cpe:2.3:a:ibm:cognos_analytics_mobile:1.1:*:*:*:*:android:*:*
 Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2023-35721 (GCVE-0-2023-35721)

Vulnerability from cvelistv5 – Published: 2024-05-03 01:57 – Updated: 2024-08-02 16:30
VLAI
Title
NETGEAR Multiple Routers curl_post Improper Certificate Validation Remote Code Execution Vulnerability
Summary
NETGEAR Multiple Routers curl_post Improper Certificate Validation Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to compromise the integrity of downloaded information on affected installations of multiple NETGEAR routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the update functionality, which operates over HTTPS. The issue results from the lack of proper validation of the certificate presented by the server. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-19981.
Severity
8.1 (High)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-295 - Improper Certificate Validation
Assigner
zdi
References
Impacted products
Vendor Product Version
NETGEAR Multiple Routers Affected: 1.0.12.120_2.0.83
Create a notification for this product.
netgear rax50_firmware Affected: 0 , < 1.1.15.128 (custom)
    cpe:2.3:a:netgear:rax50_firmware:*:*:*:*:*:*:*:*
 Create a notification for this product.
Date Public
2023-06-30 18:54
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{
  "containers": {
    "adp": [
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:a:netgear:rax50_firmware:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "rax50_firmware",
            "vendor": "netgear",
            "versions": [
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                "lessThan": "1.1.15.128",
                "status": "affected",
                "version": "0",
                "versionType": "custom"
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        ],
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-35721",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-06-05T20:07:02.975691Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
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          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-06-05T20:12:31.015Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
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      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T16:30:44.421Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
          {
            "name": "ZDI-23-893",
            "tags": [
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            ],
            "url": "https://www.zerodayinitiative.com/advisories/ZDI-23-893/"
          },
          {
            "name": "vendor-provided URL",
            "tags": [
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            "url": "https://kb.netgear.com/000065668/Security-Advisory-for-Improper-Remote-Server-Certificate-Validation-on-the-RAX50-PSV-2023-0019"
          }
        ],
        "title": "CVE Program Container"
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    ],
    "cna": {
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          "defaultStatus": "unknown",
          "product": "Multiple Routers",
          "vendor": "NETGEAR",
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      "dateAssigned": "2023-06-15T20:31:13.933Z",
      "datePublic": "2023-06-30T18:54:43.898Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "NETGEAR Multiple Routers curl_post Improper Certificate Validation Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to compromise the integrity of downloaded information on affected installations of multiple NETGEAR routers. Authentication is not required to exploit this vulnerability.\n\nThe specific flaw exists within the update functionality, which operates over HTTPS. The issue results from the lack of proper validation of the certificate presented by the server. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of root. Was ZDI-CAN-19981."
        }
      ],
      "metrics": [
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            "version": "3.0"
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      "problemTypes": [
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          "descriptions": [
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      "providerMetadata": {
        "dateUpdated": "2024-05-03T01:57:40.905Z",
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        "value": "Zach Hanley (@hacks_zach) of Horizon3 A.I."
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      "title": "NETGEAR Multiple Routers curl_post Improper Certificate Validation Remote Code Execution Vulnerability"
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    "dateReserved": "2023-06-15T20:23:02.753Z",
    "dateUpdated": "2024-08-02T16:30:44.421Z",
    "state": "PUBLISHED"
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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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