CVE-2011-1923
4.0 · MEDIUMThe Diffie-Hellman key-exchange implementation in dhm.c in PolarSSL before 0.14.2 does not properly validate a public parameter, which makes it easier for man-in-the-middle attackers to obtain the…
Overview
CVE-2011-1923 is a medium-severity vulnerability affecting polarssl polarssl. It was published on June 20, 2012 and has a CVSS 2.0 base score of 4.0 (MEDIUM).
This vulnerability has a CVSS 2.0 base score of 4.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical description
The Diffie-Hellman key-exchange implementation in dhm.c in PolarSSL before 0.14.2 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-2011-5095.
Remediation
Check the references section for vendor advisories and patches from polarssl. Update polarssl to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| polarssl | polarssl | 0 | Affected |
References
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Frequently asked questions
What is CVE-2011-1923?
CVE-2011-1923 is a medium-severity vulnerability affecting polarssl polarssl. It was published on June 20, 2012 and has a CVSS 2.0 base score of 4.0 (MEDIUM).
How severe is CVE-2011-1923?
This vulnerability has a CVSS 2.0 base score of 4.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2011-1923?
Check the references section for vendor advisories and patches from polarssl. Update polarssl to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2011-1923?
CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-1923 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.
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