Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2012-4455

19
FAUCET Score

CVE-2012-4455 describes a local privilege escalation vulnerability in openCryptoki 2.4.1. An attacker can exploit a symlink race condition on lock files in /var/lock/ to create or modify arbitrary files with world-writable permissions. This vulnerability has a CVSS score of 6.2, indicating high impact on confidentiality, integrity, and availability, but requires high attack complexity and local access. There is no known public exploit code, active exploitation, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.4.1CPE matchmatch criteria
cpe:2.3:a:opencryptoki_project:opencryptoki:2.4.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.2MEDIUM

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
1.9
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.36%
Probability of exploitation in next 30 days
EPSS Percentile
28.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0036 is in the 40th percentile among its peer group of 1,595 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (3)

redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: opencryptoki
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: openCryptoki
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: openCryptoki

Vendor Advisories (1)

redhatCVE-2012-4455Moderate

opencryptoki: insecure handling of files in the /tmp directory

Sep 7, 2012

References

opencryptoki.git.sourceforge.net / git/gitweb.cgi
bugzilla.redhat.com / show_bug.cgi
secunia.com / advisories/50702
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/78943
sourceforge.net / mailarchive/message.php
openwall.com / lists/oss-security/2012/09/07/2
openwall.com / lists/oss-security/2012/09/07/6
openwall.com / lists/oss-security/2012/09/09/2
openwall.com / lists/oss-security/2012/09/20/6
openwall.com / lists/oss-security/2012/09/25/5
openwall.com / lists/oss-security/2012/09/27/2
securityfocus.com / bid/55627