SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-5180

Firejail before 0.9.44.4 and 0.9.38.x LTS before 0.9.38.8 LTS does not consider the .Xauthority case during its attempt to prevent accessing user files with an euid of zero, which allows local users to conduct sandbox-escape attacks via vectors…

EXPLOITHIGH 8.8EPSS 0.74%

Does this matter?

A public exploit is published in Exploit-DB and the impact is high, while EPSS rates exploitation at 0.7%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use.

Description

Firejail before 0.9.44.4 and 0.9.38.x LTS before 0.9.38.8 LTS does not consider the .Xauthority case during its attempt to prevent accessing user files with an euid of zero, which allows local users to conduct sandbox-escape attacks via vectors involving a symlink and the --private option.

CVSS 3.0
8.8 HIGHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS
0.74% probability · 54th percentile
Public exploits
1 in Exploit-DB · first 4 January 2017
CISA KEV
Not listed
Weakness
CWE-862
Affected
firejail project/firejail
Source
cve@mitre.org
EPSS trend
0%3%5%27 October 2026: 0.74%27 October 202627 October 2026

EPSS 0.7% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-43359source ↗Firejail < 0.9.44.4 / < 0.9.38.8 LTS - Local Sandbox Escapelinux · Sebastian Krahmerlocal4 January 2017no

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.