CVE-2017-5180

CVE-2017-5180 is a high-severity vulnerability in Firejail Project Firejail with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-862.

Key facts

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.

Frequently asked questions

What is 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 involving a symlink and the --private option.
How severe is CVE-2017-5180?
CVE-2017-5180 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-5180 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-5180?
CVE-2017-5180 primarily affects Firejail Project Firejail. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-5180?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-5180 published?
CVE-2017-5180 was published on 2017-02-09 and last updated on 2026-06-17.

References

Affected products (2)

More vulnerabilities in Firejail Project Firejail

All CVEs affecting Firejail Project Firejail →

Other CWE-862 (Missing Authorization) vulnerabilities

Browse all CWE-862 (Missing Authorization) vulnerabilities →