CVE-2013-1939: The HTML\Browser plugin in SabreDAV before 1.6.9, 1.7.x before 1.7.7, and 1.8.x before 1.8.5, as used in ownCl

Routine

MEDIUM 5.0UPGRADEUPGRADE

CVE-2013-1939 is a medium-severity flaw (CVSS 5.0) affecting sabredav, owncloud server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The HTML\Browser plugin in SabreDAV before 1.6.9, 1.7.x before 1.7.7, and 1.8.x before 1.8.5, as used in ownCloud, when running on Windows, does not properly check path separators in the base path, which allows remote attackers to read arbitrary files via a \ (backslash) character.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	1.8% (top 22%)
CISA exploited list	No
Weakness	CWE-20
Published	2014-03-14
Last modified	2026-06-16

Publisher (CNA): Red Hat, Inc. · Vendor: fruux · owncloud

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

Am I affected?

Timeline

2014-03-14 16:55 UTCPublished CVE record published
2026-06-16 23:52 UTCUpdated Record last modified

fruux sabredav UPGRADE

Affected: >= 1.6.0 and < 1.6.9 · >= 1.7.0 and < 1.7.7 · >= 1.8.0 and < 1.8.5

Fixed in: 1.6.9, 1.7.7, 1.8.5

Safe to downgrade to: a release before 1.6.0

1. Check installed version

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

2. UPGRADE to 1.6.9 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade sabredav

Note

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

3. If no update is available yet, DOWNGRADE to a release before 1.6.0 (Debian / Ubuntu)

apt-cache madison sabredav sudo apt install sabredav=<VERSION_BEFORE_1.6.0> sudo apt-mark hold sabredav

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list sabredav sudo dnf downgrade sabredav-<VERSION_BEFORE_1.6.0> sudo dnf versionlock add sabredav

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.

owncloud owncloud server UPGRADE

Affected: >= 4.0.0 and < 4.0.14 · >= 4.5.0 and < 4.5.9 · >= 5.0.0 and < 5.0.4

Fixed in: 4.0.14, 4.5.9, 5.0.4

Safe to downgrade to: a release before 4.0.0

1. Check installed version

apt-cache policy owncloud-server || rpm -q owncloud-server || owncloud-server --version

2. UPGRADE to 4.0.14 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade owncloud-server

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade owncloud-server

Note

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

3. If no update is available yet, DOWNGRADE to a release before 4.0.0 (Debian / Ubuntu)

apt-cache madison owncloud-server sudo apt install owncloud-server=<VERSION_BEFORE_4.0.0> sudo apt-mark hold owncloud-server

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list owncloud-server sudo dnf downgrade owncloud-server-<VERSION_BEFORE_4.0.0> sudo dnf versionlock add owncloud-server

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-2013-1939?

sabredav: upgrade to 1.6.9, 1.7.7, 1.8.5; owncloud server: upgrade to 4.0.14, 4.5.9, 5.0.4. Exact commands for each OS are on this page.

Is CVE-2013-1939 being exploited?

CVE-2013-1939 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-2013-1939 affect?

CVE-2013-1939 affects sabredav, owncloud server. Severity is medium (CVSS 5.0). The HTML\Browser plugin in SabreDAV before 1.6.9, 1.7.x before 1.7.7, and 1.8.x before 1.8.5, as used in ownCloud, when running on Windows, does not properly check path separators in the base path, which allows remote attackers to read arbi

How urgent is CVE-2013-1939?

Priority 37/100. No elevated risk signals yet.

Software pages

Windows vulnerabilities · ownCloud vulnerabilities

Related CVEs

CVE-2014-2055 HIGH 7.5 UPGRADE UPGRADE SabreDAV before 1.7.11, as used in ownCloud Server before 5.0.15 and 6.0.x before 6.0.2, allows remote attacke

References

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