HOMEVULNERABILITIESCVE-2014-9390
CRITICAL

CVE-2014-9390

CWE-20Published: February 12, 2020· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

Git before 1.8.5.6, 1.9.x before 1.9.5, 2.0.x before 2.0.5, 2.1.x before 2.1.4, and 2.2.x before 2.2.1 on Windows and OS X; Mercurial before 3.2.3 on Windows and OS X; Apple Xcode before 6.2 beta 3; mine all versions before 08-12-2014; libgit2 all versions up to 0.21.2; Egit all versions before 08-12-2014; and JGit all versions before 08-12-2014 allow remote Git servers to execute arbitrary commands via a tree containing a crafted .git/config file with (1) an ignorable Unicode codepoint, (2) a git~1/config representation, or (3) mixed case that is improperly handled on a case-insensitive filesystem.

NVD Source

Technical Analysis

CVE-2014-9390 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

Apple2 product(s)
mac os xxcode
eclipse2 product(s)
egitjgit
git-scm1 product(s)
git
libgit21 product(s)
libgit2
mercurial1 product(s)
mercurial
Microsoft1 product(s)
windows
Source: NVD CPE · 9 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://news.ycombinator.com/item?id=8769667
PATCHhttps://news.ycombinator.com/item?id=8769667
ADVISORYhttp://git-blame.blogspot.com/2014/12/git-1856-195-205-214-and-221-and.html
ADVISORYhttp://mercurial.selenic.com/wiki/WhatsNew
ADVISORYhttp://securitytracker.com/id?1031404
ADVISORYhttp://support.apple.com/kb/HT204147
ADVISORYhttps://github.com/blog/1938-git-client-vulnerability-announced
ADVISORYhttps://github.com/libgit2/libgit2/commit/928429c5c96a701bcbcafacb2421a82602b36915
ADVISORYhttp://git-blame.blogspot.com/2014/12/git-1856-195-205-214-and-221-and.html
ADVISORYhttp://mercurial.selenic.com/wiki/WhatsNew
ADVISORYhttp://securitytracker.com/id?1031404
ADVISORYhttp://support.apple.com/kb/HT204147
ADVISORYhttps://github.com/blog/1938-git-client-vulnerability-announced
ADVISORYhttps://github.com/libgit2/libgit2/commit/928429c5c96a701bcbcafacb2421a82602b36915

All References (18)

→
http://article.gmane.org/gmane.linux.kernel/1853266Broken Link
→
http://git-blame.blogspot.com/2014/12/git-1856-195-205-214-and-221-and.htmlThird Party Advisory
→
http://mercurial.selenic.com/wiki/WhatsNewRelease Notes · Third Party Advisory
→
http://securitytracker.com/id?1031404Third Party Advisory · VDB Entry
→
http://support.apple.com/kb/HT204147Vendor Advisory
→
https://github.com/blog/1938-git-client-vulnerability-announcedVendor Advisory
→
https://github.com/libgit2/libgit2/commit/928429c5c96a701bcbcafacb2421a82602b36915Third Party Advisory
→
https://libgit2.org/security/Product
→
https://news.ycombinator.com/item?id=8769667Issue Tracking · Patch · Third Party Advisory
→
http://article.gmane.org/gmane.linux.kernel/1853266Broken Link
→
http://git-blame.blogspot.com/2014/12/git-1856-195-205-214-and-221-and.htmlThird Party Advisory
→
http://mercurial.selenic.com/wiki/WhatsNewRelease Notes · Third Party Advisory
→
http://securitytracker.com/id?1031404Third Party Advisory · VDB Entry
→
http://support.apple.com/kb/HT204147Vendor Advisory
→
https://github.com/blog/1938-git-client-vulnerability-announcedVendor Advisory

Quick Facts

CVE IDCVE-2014-9390
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-20
CISA KEVNo
Affected6 vendor(s)
PublishedFeb 12, 2020

Related CVEs (CWE-20)

CVE-2026-48281
10.0
CVE-2026-48316
10.0
CVE-2011-4755
10.0
CVE-2026-33587
10.0
CVE-2026-48277
10.0
CVE-2026-47928
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2014-9390 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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