CVE-2013-2088: contrib/hook-scripts/svn-keyword-check.pl in Subversion before 1.6.23 allows remote authenticated users with c

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HIGH 7.1WATCHLISTUPGRADEDOWNGRADEMITIGATE

CVE-2013-2088 is a high-severity flaw (CVSS 7.1) affecting subversion, subversion, opensuse. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

contrib/hook-scripts/svn-keyword-check.pl in Subversion before 1.6.23 allows remote authenticated users with commit permissions to execute arbitrary commands via shell metacharacters in a filename.

Why this priority

High severity
EPSS top 2%: very likely to be exploited
Public exploit reference
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	7.1 (High)
EPSS exploit chance	31.5% (top 2%)
CISA exploited list	No
Weakness	CWE-20
Published	2013-07-31
Last modified	2026-06-16

Publisher (CNA): Red Hat, Inc. · Vendor: apache · collabnet · opensuse

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

Am I affected?

Timeline

2013-07-31 13:20 UTCPublished CVE record published
2026-06-16 23:52 UTCUpdated Record last modified

apache subversion UPGRADE

Affected: <= 1.6.21 · 1.6.0 · 1.6.1 · 1.6.2 · 1.6.3 · 1.6.4 · 1.6.5 · 1.6.6

Fixed in: newer than 1.6.21

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 1.6.21 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade subversion

Note

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

collabnet subversion DOWNGRADE

Affected: 1.6.17

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.6.17

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.6.17 (Debian / Ubuntu)

apt-cache madison subversion sudo apt install subversion=<VERSION_BEFORE_1.6.17> sudo apt-mark hold subversion

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

dnf --showduplicates list subversion sudo dnf downgrade subversion-<VERSION_BEFORE_1.6.17> sudo dnf versionlock add subversion

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.

opensuse opensuse MITIGATE

Affected: 11.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 11.4

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Subversion 1.6.6/1.6.12 - Code Execution

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-2013-2088?

subversion: upgrade to newer than 1.6.21; subversion: downgrade or apply the listed mitigation; opensuse: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2013-2088 being exploited?

CVE-2013-2088 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-2013-2088 affect?

CVE-2013-2088 affects subversion, subversion, opensuse. Severity is high (CVSS 7.1). contrib/hook-scripts/svn-keyword-check.pl in Subversion before 1.6.23 allows remote authenticated users with commit permissions to execute arbitrary commands via shell metacharacters in a filename.

How urgent is CVE-2013-2088?

Priority 59/100. High severity; EPSS top 2%: very likely to be exploited; Public exploit reference; On your watchlist

Related CVEs

CVE-2024-46901 LOW 3.1 UPGRADE MITIGATE Insufficient validation of filenames against control characters in Apache Subversion repositories served via m
CVE-2024-45720 HIGH 8.2 UPGRADE On Windows platforms, a "best fit" character encoding conversion of command line arguments to Subversion's exe
CVE-2022-29048 MEDIUM 4.3 UPGRADE UPGRADE A cross-site request forgery (CSRF) vulnerability in Jenkins Subversion Plugin 2.15.3 and earlier allows attac
CVE-2022-29046 MEDIUM 5.4 UPGRADE UPGRADE Jenkins Subversion Plugin 2.15.3 and earlier does not escape the name and description of List Subversion tags
CVE-2022-24070 HIGH 7.5 UPGRADE MITIGATE Subversion's mod_dav_svn is vulnerable to memory corruption

References

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