CVE-2023-50781
M2crypto: bleichenbacher timing attacks in the rsa decryption api - incomplete fix for cve-2020-25657
CVSS Score
7.5
EPSS Score
0.5%
EPSS Percentile
67th
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.
| CWE | CWE-203 |
| Published | Feb 5, 2024 |
| Last Updated | Mar 24, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Affected Versions
Red Hat / Red Hat Enterprise Linux 6
All versions affected Red Hat / Red Hat Enterprise Linux 7
All versions affected Red Hat / Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected Red Hat / Red Hat Update Infrastructure 4 for Cloud Providers
All versions affected Red Hat / Red Hat Virtualization 4
All versions affected References
Credits
This issue was discovered by Hubert Kario (Red Hat).