CVE-2013-2117: Directory traversal vulnerability in the cgit_parse_readme function in ui-summary.c in cgit before 0.9.2, when

Routine

MEDIUM 4.3UPGRADEDOWNGRADE

CVE-2013-2117 is a medium-severity flaw (CVSS 4.3) affecting cgit, cgit. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory traversal vulnerability in the cgit_parse_readme function in ui-summary.c in cgit before 0.9.2, when a readme file is set to a filesystem path, allows remote attackers to read arbitrary files via a .. (dot dot) in the url parameter.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	1.8% (top 22%)
CISA exploited list	No
Weakness	CWE-22
Published	2013-08-09
Last modified	2026-06-16

Publisher (CNA): Red Hat, Inc. · Vendor: jason a donenfeld · lars hjemli

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2013-08-09 20:56 UTCPublished CVE record published
2026-06-16 23:52 UTCUpdated Record last modified

jason a donenfeld cgit UPGRADE

Affected: <= 0.9.1

Fixed in: newer than 0.9.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy cgit || rpm -q cgit || cgit --version

2. UPGRADE to newer than 0.9.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade cgit

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade cgit

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

lars hjemli cgit DOWNGRADE

Affected: 0.1 · 0.2 · 0.3 · 0.4 · 0.5 · 0.6 · 0.6.1 · 0.6.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.1

1. Check installed version

apt-cache policy cgit || rpm -q cgit || cgit --version

2. No fixed release: DOWNGRADE to a release before 0.1 (Debian / Ubuntu)

apt-cache madison cgit sudo apt install cgit=<VERSION_BEFORE_0.1> sudo apt-mark hold cgit

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list cgit sudo dnf downgrade cgit-<VERSION_BEFORE_0.1> sudo dnf versionlock add cgit

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2013-2117?

cgit: upgrade to newer than 0.9.1; cgit: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2013-2117 being exploited?

CVE-2013-2117 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2013-2117 affect?

CVE-2013-2117 affects cgit, cgit. Severity is medium (CVSS 4.3). Directory traversal vulnerability in the cgit_parse_readme function in ui-summary.c in cgit before 0.9.2, when a readme file is set to a filesystem path, allows remote attackers to read arbitrary files via a .. (dot dot) in the url paramete

How urgent is CVE-2013-2117?

Priority 35/100. No elevated risk signals yet.

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References

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