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Vulnerabilities

Vulnerability · CVE-2023-50781

A flaw was found in m2crypto.

Published Feb 5, 2024 · catalog updated Oct 15, 2026 · enterprise linux

Check if you run it

No confirmed exploitation is on record for CVE-2023-50781. EPSS is 1.12%. Act only if a listed version of enterprise linux is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.12%
Remediation
Advisory link
Affected products
cpe m2crypto project/m2crypto · cpe redhat/enterprise linux · cpe redhat/update infrastructure

A flaw was found in m2crypto. This issue may allow a remote attacker to decrypt captured messages in TLS servers that use RSA key exchanges, which may lead to exposure of confidential or sensitive data.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe m2crypto project/m2cryptoversion unspecified
  • cpe redhat/enterprise linux8.0
  • cpe redhat/enterprise linux9.0
  • cpe redhat/update infrastructure4

How to fix CVE-2023-50781

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2023-50781. EPSS is 1.12%. Act only if a listed version of enterprise linux is installed.

Which versions are affected?

Compare what you have installed with redhat/enterprise linux 8.0; redhat/enterprise linux 9.0; redhat/update infrastructure 4. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-203: Observable Discrepancy. EPSS 1.12%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 5, 2024 · NIST NVD

    Detected

    A flaw was found in m2crypto. This issue may allow a remote attacker to decrypt captured messages in TLS servers that use RSA key exchanges, which may lead to exposure of confidential or sensitive data.

  2. Oct 15, 2026 · NIST NVD

    Updated

    A flaw was found in m2crypto. This issue may allow a remote attacker to decrypt captured messages in TLS servers that use RSA key exchanges, which may lead to exposure of confidential or sensitive data.

Sources

  • CVE.orgVulnerability recordCVE-2023-50781

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2023-50781

    30-day exploitation probability 1.1%

    first.org
  • NIST NVDVulnerability recordCVE-2023-50781

    A flaw was found in m2crypto. This issue may allow a remote attacker to decrypt captured messages in TLS servers that use RSA key exchanges, which may lead to exposure of confidential or sensitive data.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 16, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.