CVE-2011-0542

3.3 LOW 0.3% exploit odds Fix listed

What it is

fusermount in fuse 2.8.5 and earlier does not perform a chdir to / before performing a mount or umount, which allows local users to unmount arbitrary directories via unspecified vectors.

At a glance

Exploitability: Can be exploited locally on the machine without logging in. Limited direct impact.
Exploit odds: 0.3% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2011-09-02 23:55 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 23:27 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.3% in the next 30 days (EPSS).
Severity: 3.3 LOW (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2011-09-02 23:55 UTC
Last modified: 2026-06-16 23:27 UTC
Exploit probability: 0.3% · EPSS, next 30 days
Weakness: CWE-264
Record status: Modified

Affected

Fuse ≤ 2.8.5
Fuse 1.9
Fuse 2.0
Fuse 2.1
Fuse 2.2
Fuse 2.2.1
Fuse 2.3
Fuse 2.3.0

Attack profile CVSS 2.0 · 3.3

Attack vector: Local
Complexity: Medium
Authentication: None
Confidentiality: None
Integrity: Partial
Availability: Partial

Raw vector

AV:L/AC:M/Au:N/C:N/I:P/A:P

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2011-0542.md and follow it. Check whether this project is affected by CVE-2011-0542. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record