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CVE

CVE-2023-50781

A flaw was found in m2crypto. This issue may allow a remote attacker to decrypt captured messages in TLS servers that us

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.

HIGH · CVSS 7.5 EPSS 0.00444
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-203Observable Discrepancy
CWE-203Observable Discrepancy
▤

Affected Products & Versions

3
redhat enterprise linuxall versions
redhat update infrastructureall versions
m2crypto project m2cryptoall versions
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
PyPI m2crypto MODERATE
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD05 Feb 2024 · 09:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

2
siemens-csafSSA-265688
cisa-csafcisa-csaf-csaf_files-OT-white-2024-icsa-24-102-01
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://access.redhat.com/security/cve/CVE-2023-50781Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2254426Issue Tracking
https://cert-portal.siemens.com/productcert/html/ssa-265688.html
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