Vulnerability · CVE-2023-50781
A flaw was found in m2crypto.
Published Feb 5, 2024 · corrected/updated Oct 15, 2026 · redhat enterprise linux · evidence confidence high
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.
Grounded briefings
Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.
Executive
CVE-2023-50781 is a high public vulnerability record for redhat enterprise linux. It is not currently listed in the CISA Known Exploited catalog. Check the linked vendor or CERT advisories for patch status. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.
System administrator
Identify whether redhat enterprise linux is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: m2crypto project/m2crypto; redhat/enterprise linux (8.0); redhat/enterprise linux (9.0); redhat/update infrastructure (4). Check the linked vendor or CERT advisories for patch status. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.
Security analyst
Signals on file: CVSS 7.5 (technical impact); EPSS 1.1% (30-day exploitation probability). It is not currently listed in the CISA Known Exploited catalog. Weakness classes: CWE-203. Sources contributing to this record: cve_org, epss, nvd. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.
Exploitation and remediation
Exploitation evidence
Not listed as known exploited in CISA KEV. Not in CISA KEV or VulnCheck KEV.
Patch and remediation
A patch or advisory reference is linked. Open the original publisher for availability by product version.
Safe detection guidance
Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.
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.
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.
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.
Affected
- cpe m2crypto project/m2cryptoversion unspecified
- cpe redhat/enterprise linux8.0
- cpe redhat/enterprise linux9.0
- cpe redhat/update infrastructure4
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