What’s Vulnerable › Vulnerabilities

CVE-2023-50781: M2crypto: bleichenbacher timing attacks in the rsa decryption api - incomplete fix for cve-2020-25657

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-02-05 · updated 2026-10-15
• Weakness: CWE-203

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.

Affected products

• M2Crypto Project M2Crypto: through 0.40.1
• Red Hat Enterprise Linux: 8.0, 9.0
• RedHat Update Infrastructure: 4

References

• https://access.redhat.com/security/cve/CVE-2023-50781
• https://bugzilla.redhat.com/show_bug.cgi?id=2254426
• https://access.redhat.com/security/cve/CVE-2023-50781
• https://bugzilla.redhat.com/show_bug.cgi?id=2254426
• https://cert-portal.siemens.com/productcert/html/ssa-265688.html

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