5

CVE-2011-4576: openssl Cryptographic Issues

Modified
AliasesDEBIAN-CVE-2011-4576
Published 06-01-2012Last modified 07-08-2024

Vulnerability summary

CVE-2011-4576 is a medium (CVSS 5.0) Cryptographic Issues vulnerability in openssl. EPSS estimates a 15.57% chance of exploitation in the next 30 days, higher than 96.8% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.0/10
010
Medium · v2.0 (NVD)
EPSS score
15.57%
0%100%
Medium · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 9 · Related 4
DSA-2390-1OPENSUSE-SU-2024:10423-1OPENSUSE-SU-2024:11127-1RHSA-2012:0059RHSA-2012:0060RHSA-2012:0086

Timeline

  1. 06-01-2012
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

15.57%

Chance of exploitation in the next 30 days

Percentile

97%

Versus all other CVEs

30-day change

No change 0.00 pp

From 15.57% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.

Debian1 product
  • openssl< 1.0.0f-1
Openssl1 product
  • opensslEOL≤ 0.9.8r | 0.9.1c | 0.9.2b | 0.9.4 | 0.9.5 | 0.9.5a | 0.9.6 | 0.9.6a | 0.9.6b | 0.9.6c | 0.9.6d | 0.9.6e | 0.9.6f | 0.9.6g | 0.9.6h | 0.9.6h:bogus | 0.9.6i | 0.9.6j | 0.9.6k | 0.9.6l | 0.9.6m | 0.9.7 | 0.9.7a | 0.9.7b | 0.9.7c | 0.9.7d | 0.9.7e | 0.9.7f | 0.9.7g | 0.9.7h | 0.9.7i | 0.9.7j | 0.9.7k | 0.9.7l | 0.9.7m | 0.9.8 | 0.9.8a | 0.9.8b | 0.9.8c | 0.9.8d | 0.9.8e | 0.9.8f | 0.9.8g | 0.9.8h | 0.9.8i | 0.9.8j | 0.9.8k | 0.9.8l | 0.9.8m | 0.9.8n | 0.9.8o | 0.9.8p | 0.9.8q | ≤ 1.0.0e | 1.0.0 | 1.0.0:beta1 | 1.0.0:beta2 | 1.0.0:beta3 | 1.0.0:beta4 | 1.0.0:beta5 | 1.0.0a | 1.0.0b | 1.0.0c | 1.0.0d

2 vendors · 2 products

References

23 links
Show all 23 references