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CVE-2011-4945

21
FAUCET Score

CVE-2011-4945 describes a privilege escalation vulnerability in PolicyKit 0.103, where the default "wheel" group setting for AdminIdentities allows local users within that group to gain root privileges without authentication. This vulnerability has a CVSS score of 6.9, indicating high severity with local access, medium attack complexity, and complete confidentiality, integrity, and availability impacts. While no active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion has been observed, its potential for local privilege escalation warrants attention.

Impacted Technologies

VendorProductVersion(s)CPE
0.103CPE matchmatch criteria
cpe:2.3:a:michael_biebl:policykit:0.103:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.9MEDIUM

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
3.4
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.35%
Probability of exploitation in next 30 days
EPSS Percentile
27.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0035 is in the 36th 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 Advisories (1)

redhatCVE-2011-4945Important

polkit: Members of 'wheel' group allowed to become root without providing a password

Dec 9, 2011

References

cgit.freedesktop.org / PolicyKit/commit
patch-tracker.debian.org / patch/series/view/policykit-1/0.104-2/05_revert-admin-identities-unix-group-wheel.patch
bugs.gentoo.org / show_bug.cgi
secunia.com / advisories/48817
security.gentoo.org / glsa/glsa-201204-06.xml
launchpad.net / ubuntu/+source/policykit-1/0.103-1
mail-archive.com / polkit-devel%40lists.freedesktop.org/msg00327.html
openwall.com / lists/oss-security/2012/03/28/1
openwall.com / lists/oss-security/2012/03/28/2