Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

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.


Security Impact Summary

CVE-2011-4576 is a security vulnerability that . Impacting 1 product from openssl organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2012, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.


Published

2012-01-06T01:55:00.877

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:N/A:N

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: NONE
  • Availability Impact: NONE
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-310

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application openssl openssl ≤ 0.9.8r Yes
Application openssl openssl 0.9.1c Yes
Application openssl openssl 0.9.2b Yes
Application openssl openssl 0.9.4 Yes
Application openssl openssl 0.9.5 Yes
Application openssl openssl 0.9.5a Yes
Application openssl openssl 0.9.6 Yes
Application openssl openssl 0.9.6a Yes
Application openssl openssl 0.9.6b Yes
Application openssl openssl 0.9.6c Yes
Application openssl openssl 0.9.6d Yes
Application openssl openssl 0.9.6e Yes
Application openssl openssl 0.9.6f Yes
Application openssl openssl 0.9.6g Yes
Application openssl openssl 0.9.6h Yes
Application openssl openssl 0.9.6h Yes
Application openssl openssl 0.9.6i Yes
Application openssl openssl 0.9.6j Yes
Application openssl openssl 0.9.6k Yes
Application openssl openssl 0.9.6l Yes
Application openssl openssl 0.9.6m Yes
Application openssl openssl 0.9.7 Yes
Application openssl openssl 0.9.7a Yes
Application openssl openssl 0.9.7b Yes
Application openssl openssl 0.9.7c Yes
Application openssl openssl 0.9.7d Yes
Application openssl openssl 0.9.7e Yes
Application openssl openssl 0.9.7f Yes
Application openssl openssl 0.9.7g Yes
Application openssl openssl 0.9.7h Yes
Application openssl openssl 0.9.7i Yes
Application openssl openssl 0.9.7j Yes
Application openssl openssl 0.9.7k Yes
Application openssl openssl 0.9.7l Yes
Application openssl openssl 0.9.7m Yes
Application openssl openssl 0.9.8 Yes
Application openssl openssl 0.9.8a Yes
Application openssl openssl 0.9.8b Yes
Application openssl openssl 0.9.8c Yes
Application openssl openssl 0.9.8d Yes
Application openssl openssl 0.9.8e Yes
Application openssl openssl 0.9.8f Yes
Application openssl openssl 0.9.8g Yes
Application openssl openssl 0.9.8h Yes
Application openssl openssl 0.9.8i Yes
Application openssl openssl 0.9.8j Yes
Application openssl openssl 0.9.8k Yes
Application openssl openssl 0.9.8l Yes
Application openssl openssl 0.9.8m Yes
Application openssl openssl 0.9.8n Yes
Application openssl openssl 0.9.8o Yes
Application openssl openssl 0.9.8p Yes
Application openssl openssl 0.9.8q Yes
Application openssl openssl ≤ 1.0.0e Yes
Application openssl openssl 1.0.0 Yes
Application openssl openssl 1.0.0 Yes
Application openssl openssl 1.0.0 Yes
Application openssl openssl 1.0.0 Yes
Application openssl openssl 1.0.0 Yes
Application openssl openssl 1.0.0 Yes
Application openssl openssl 1.0.0a Yes
Application openssl openssl 1.0.0b Yes
Application openssl openssl 1.0.0c Yes
Application openssl openssl 1.0.0d Yes

References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For openssl's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.