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CVE-2013-4326

14
FAUCET Score

CVE-2013-4326 describes a local privilege escalation vulnerability in RealtimeKit (rtkit) versions 0.5 and earlier, affecting products like Red Hat Enterprise Linux. The flaw stems from improper D-Bus communication with a polkit authority, enabling local users to bypass access restrictions through a race condition involving setuid or pkexec processes. With a CVSS score of 4.6, this vulnerability has a low attack complexity and requires local access, potentially leading to partial confidentiality, integrity, and availability impacts. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
0.5CPE matchmatch criteria
cpe:2.3:a:lennart_poettering:rkit:0.5:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.6MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.37%
Probability of exploitation in next 30 days
EPSS Percentile
30.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0037 is in the 50th percentile among its peer group of 3,052 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 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

Patch Available

Vendor Patches (2)

redhatpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: rtkit-0:0.5-2.el6_4
View patch

Vendor Advisories (1)

redhatCVE-2013-4326Important

rtkit: insecure calling of polkit

Sep 18, 2013

References

lists.opensuse.org / opensuse-updates/2013-10/msg00022.html
lists.opensuse.org / opensuse-updates/2013-10/msg00051.html
rhn.redhat.com / errata/RHSA-2013-1282.html
bugzilla.redhat.com / show_bug.cgi
Patch
openwall.com / lists/oss-security/2013/09/18/6