CVE-2011-4576
UnknownEPSS 14.52%
Last modified
CVE-2011-4576 is a vulnerability of currently unknown severity. The SSL 3.0 implementation in OpenSSL before 0.9.8s and 1.x before 1.0.0f does not properly initialize data structures for block cipher padding, which might allow remote attackers to obtain sensitive information by decrypting the padding data sent by an SSL peer.. EPSS estimates a 14.52% chance of exploitation in the next 30 days.
Description
The SSL 3.0 implementation in OpenSSL before 0.9.8s and 1.x before 1.0.0f does not properly initialize data structures for block cipher padding, which might allow remote attackers to obtain sensitive information by decrypting the padding data sent by an SSL peer.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Openssl | Openssl | <= 0.9.8r |
| Openssl | Openssl | 0.9.1c |
| Openssl | Openssl | 0.9.2b |
| Openssl | Openssl | 0.9.4 |
| Openssl | Openssl | 0.9.5 |
| Openssl | Openssl | 0.9.5a |
| Openssl | Openssl | 0.9.6 |
| Openssl | Openssl | 0.9.6a |
| Openssl | Openssl | 0.9.6b |
| Openssl | Openssl | 0.9.6c |
| Openssl | Openssl | 0.9.6d |
| Openssl | Openssl | 0.9.6e |
| Openssl | Openssl | 0.9.6f |
| Openssl | Openssl | 0.9.6g |
| Openssl | Openssl | 0.9.6h |
| Openssl | Openssl | 0.9.6i |
| Openssl | Openssl | 0.9.6j |
| Openssl | Openssl | 0.9.6k |
| Openssl | Openssl | 0.9.6l |
| Openssl | Openssl | 0.9.6m |
| Openssl | Openssl | 0.9.7 |
| Openssl | Openssl | 0.9.7a |
| Openssl | Openssl | 0.9.7b |
| Openssl | Openssl | 0.9.7c |
| Openssl | Openssl | 0.9.7d |
| Openssl | Openssl | 0.9.7e |
| Openssl | Openssl | 0.9.7f |
| Openssl | Openssl | 0.9.7g |
| Openssl | Openssl | 0.9.7h |
| Openssl | Openssl | 0.9.7i |
| Openssl | Openssl | 0.9.7j |
| Openssl | Openssl | 0.9.7k |
| Openssl | Openssl | 0.9.7l |
| Openssl | Openssl | 0.9.7m |
| Openssl | Openssl | 0.9.8 |
| Openssl | Openssl | 0.9.8a |
| Openssl | Openssl | 0.9.8b |
| Openssl | Openssl | 0.9.8c |
| Openssl | Openssl | 0.9.8d |
| Openssl | Openssl | 0.9.8e |
| Openssl | Openssl | 0.9.8f |
| Openssl | Openssl | 0.9.8g |
| Openssl | Openssl | 0.9.8h |
| Openssl | Openssl | 0.9.8i |
| Openssl | Openssl | 0.9.8j |
| Openssl | Openssl | 0.9.8k |
| Openssl | Openssl | 0.9.8l |
| Openssl | Openssl | 0.9.8m |
| Openssl | Openssl | 0.9.8n |
| Openssl | Openssl | 0.9.8o |
Showing 50 of 58 affected configurations. See NVD for the full list.
References
- http://www.kb.cert.org/vuls/id/737740US Government Resource
- http://www.openssl.org/news/secadv_20120104.txtVendor Advisory
- http://www.kb.cert.org/vuls/id/737740US Government Resource
- http://www.openssl.org/news/secadv_20120104.txtVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2011-4576?
The SSL 3.0 implementation in OpenSSL before 0.9.8s and 1.x before 1.0.0f does not properly initialize data structures for block cipher padding, which might allow remote attackers to obtain sensitive information by decrypting the padding data sent by an SSL peer.
How severe is CVE-2011-4576?
Severity scoring for CVE-2011-4576 is pending analysis. The EPSS model estimates a 14.52% probability of exploitation in the next 30 days.
How do I fix CVE-2011-4576?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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Are you affected by CVE-2011-4576?
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Scan your code nowSource: NVD / NIST