What’s Vulnerable › Vulnerabilities

CVE-2011-5095

• Severity: medium (CVSS 4.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2012-06-20 · updated 2026-06-16
• Weakness: CWE-310

Description

The Diffie-Hellman key-exchange implementation in OpenSSL 0.9.8, when FIPS mode is enabled, does not properly validate a public parameter, which makes it easier for man-in-the-middle attackers to obtain the shared secret key by modifying network traffic, a related issue to CVE-2011-1923.

Affected products

• OpenSSL: 0.9.8

References

• http://www.cl.cam.ac.uk/~rja14/Papers/psandqs.pdf
• http://www.nessus.org/plugins/index.php?view=single&id=53360
• https://discussions.nessus.org/thread/3381
• http://www.cl.cam.ac.uk/~rja14/Papers/psandqs.pdf
• http://www.nessus.org/plugins/index.php?view=single&id=53360
• https://discussions.nessus.org/thread/3381

Get alerted when CVE-2011-5095 or the next vulnerability affects your stack