5

CVE-2011-3207: openssl

Modified
AliasesRHSA-2011:1409DEBIAN-CVE-2011-3207
Published 22-09-2011Last modified 06-08-2024

Vulnerability summary

CVE-2011-3207 is a medium (CVSS 5.0) vulnerability in openssl. EPSS estimates a 4.36% chance of exploitation in the next 30 days, higher than 91.2% 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
4.36%
0%100%
Low · 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 1 · Related 1

Timeline

  1. 22-09-2011
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

crypto/x509/x509_vfy.c in OpenSSL 1.0.x before 1.0.0e does not initialize certain structure members, which makes it easier for remote attackers to bypass CRL validation by using a nextUpdate value corresponding to a time in the past.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

4.36%

Chance of exploitation in the next 30 days

Percentile

91%

Versus all other CVEs

30-day change

No change 0.00 pp

From 4.36% 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.

Redhat5 products
  • openssl< 0:1.0.0-10.el6_1.5
  • openssl-debuginfo< 0:1.0.0-10.el6_1.5
  • openssl-devel< 0:1.0.0-10.el6_1.5
  • openssl-perl< 0:1.0.0-10.el6_1.5
  • openssl-static< 0:1.0.0-10.el6_1.5
Debian1 product
  • openssl< 1.0.0e-1
Openssl1 product
  • opensslEOL1.0.0 | 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

3 vendors · 7 products

References

23 links
Show all 23 references