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CVE-2014-9462

27
FAUCET Score

CVE-2014-9462 describes a command injection vulnerability in the _validaterepo function of sshpeer in Mercurial versions prior to 3.2.4. This flaw allows remote attackers to execute arbitrary commands on a vulnerable system by providing a specially crafted repository name during a clone operation. With a CVSS score of 7.5 (High), this vulnerability presents a significant risk due to its network-based attack vector, low attack complexity, and potential for complete compromise of confidentiality, integrity, and availability. While not listed on the KEV catalog and lacking public exploit code in Metasploit or ExploitDB, the vulnerability has garnered some community discussion and media coverage, indicating awareness of its existence.

Impacted Technologies

VendorProductVersion(s)CPE
13.1CPE matchmatch criteria
cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
13.2CPE matchmatch criteria
cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
<= 3.2.3CPE matchmatch criteria
cpe:2.3:a:mercurial:mercurial:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
4.17%
Probability of exploitation in next 30 days
EPSS Percentile
89.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0417 is in the 82nd percentile among its peer group of 51,506 CVEs.

Social Chatter

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

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

pippatch availablevia ghsa
Product: mercurialFixed in: 3.2.4
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: mercurial
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: mercurial

Vendor Advisories (2)

pipGHSA-3pmw-h7j4-rf54critical

Mercurial vulnerable to arbitrary command execution via a crafted repository name in a clone command

May 14, 2022
redhatCVE-2014-9462Moderate

mercurial: command Injection via sshpeer._validaterepo()

Dec 29, 2014

References

chargen.matasano.com / chargen/2015/3/17/this-new-vulnerability-mercurial-command-injection-cve-2014-9462.html
Exploit
lists.opensuse.org / opensuse-updates/2015-03/msg00085.html
mercurial.selenic.com / wiki/WhatsNew
Vendor Advisory
security.gentoo.org / glsa/201612-19
debian.org / security/2015/dsa-3257
oracle.com / technetwork/topics/security/bulletinjul2015-2511963.html
osvdb.org / 119816