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CVE-2011-4099

17
FAUCET Score

CVE-2011-4099 describes a vulnerability in the capsh program within libcap versions prior to 2.22, where the --chroot option fails to change the current working directory, allowing local users to bypass chroot restrictions. With a CVSS score of 4.6, this vulnerability is considered medium severity, requiring local access with low attack complexity, and potentially leading to 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
<= 2.21CPE matchmatch criteria
cpe:2.3:a:libcap:libcap:*:*:*:*:*:*:*:*
2.00CPE matchmatch criteria
cpe:2.3:a:libcap:libcap:2.00:*:*:*:*:*:*:*
2.01CPE matchmatch criteria
cpe:2.3:a:libcap:libcap:2.01:*:*:*:*:*:*:*
2.02CPE matchmatch criteria
cpe:2.3:a:libcap:libcap:2.02:*:*:*:*:*:*:*
2.03CPE matchmatch criteria
cpe:2.3:a:libcap:libcap:2.03:*:*:*:*:*:*:*

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
0.38%
Probability of exploitation in next 30 days
EPSS Percentile
30.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0038 is in the 52nd percentile among its peer group of 3,048 CVEs.

Social Chatter

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 redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: libcap-0:2.16-5.5.el6
View patch
redhatvendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2011-4099Low

capsh: does not chdir after chroot

Jul 16, 2011

References

rhn.redhat.com / errata/RHSA-2011-1694.html
bugzilla.redhat.com / show_bug.cgi
Vendor Advisory
sites.google.com / site/fullycapable/release-notes-for-libcap/releasenotesfor222