CVE-2013-4362: WEB-DAV Linux File System (davfs2) 1.4.6 and 1.4.7 allow local users to gain privileges via unknown attack vec

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HIGH 7.2WATCHLISTDOWNGRADE

CVE-2013-4362 is a high-severity flaw (CVSS 7.2) affecting davfs2. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

WEB-DAV Linux File System (davfs2) 1.4.6 and 1.4.7 allow local users to gain privileges via unknown attack vectors in (1) kernel_interface.c and (2) mount_davfs.c, related to the "system" function.

Why this priority

High severity
Public exploit reference
On your watchlist

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.2 (High)
EPSS exploit chance	1.2% (top 33%)
CISA exploited list	No
Weakness	CWE-264
Published	2013-09-30
Last modified	2026-06-16

Publisher (CNA): Red Hat, Inc. · Vendor: werner baumann

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

Am I affected?

Timeline

2013-09-30 22:55 UTCPublished CVE record published
2026-06-16 23:57 UTCUpdated Record last modified

werner baumann davfs2 DOWNGRADE

Affected: 1.4.6 · 1.4.7

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.4.6

1. Check installed version

apt-cache policy davfs2 || rpm -q davfs2 || davfs2 --version

2. No fixed release: DOWNGRADE to a release before 1.4.6 (Debian / Ubuntu)

apt-cache madison davfs2 sudo apt install davfs2=<VERSION_BEFORE_1.4.6> sudo apt-mark hold davfs2

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

dnf --showduplicates list davfs2 sudo dnf downgrade davfs2-<VERSION_BEFORE_1.4.6> sudo dnf versionlock add davfs2

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.

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: davfs2 1.4.6/1.4.7 - Local Privilege Escalation

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-2013-4362?

davfs2: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2013-4362 being exploited?

CVE-2013-4362 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-2013-4362 affect?

CVE-2013-4362 affects davfs2. Severity is high (CVSS 7.2). WEB-DAV Linux File System (davfs2) 1.4.6 and 1.4.7 allow local users to gain privileges via unknown attack vectors in (1) kernel_interface.c and (2) mount_davfs.c, related to the "system" function.

How urgent is CVE-2013-4362?

Priority 52/100. High severity; Public exploit reference; On your watchlist

References

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