PT-2023-9145 · M2Crypto+2 · M2Crypto+2

Hubert Kario + 1 · Published 2023-12-19 · Updated 2026-02-25 · CVE-2023-50781

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:C/I:N/A:N

Name of the Vulnerable Software and Affected Versions m2crypto (affected versions not specified)

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

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Side Channel Attack

Weakness Enumeration

CWE-385

CWE-208

CWE-203

Related Identifiers

BDU:2024-04114

CVE-2023-50781

GHSA-944J-8CH6-RF6X

Affected Products

Debian

Red Os

M2Crypto

References · 22

• https://osv.dev/vulnerability/CVE-2023-50781 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-50781 · Security Note
• https://ubuntu.com/security/CVE-2023-50781 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-944j-8ch6-rf6x · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-50781 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-50781 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-50781 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-50781 · Vendor Advisory
• https://bdu.fstec.ru/vul/2024-04114 · Security Note
• https://github.com/openssl/openssl/pull/13817 · Note
• https://t.me/cvenotify/71627 · Telegram Post
• https://access.redhat.com/security/cve/CVE-2023-50781 · Note
• https://t.me/cveNotify/153232 · Telegram Post
• https://t.me/cvenotify/70117 · Telegram Post
• https://gitlab.com/m2crypto/m2crypto · Note