CVE-2023-50781
m2crypto: Bleichenbacher timing attacks in the RSA decryption API - incomplete fix for CVE-2020-25657
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · December 13, 2023
Updated · October 15, 2026
Description
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.
Statement
This vulnerability exists due to an incomplete fix for CVE-2020-25657.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS / CWE
CVSS 3.1 · 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE-203 · Observable Discrepancy