CVE-2011-3001

4.3 MEDIUM 1% exploit odds Fix listed

What it is

Mozilla Firefox 4.x through 6, Thunderbird before 7.0, and SeaMonkey before 2.4 do not prevent manual add-on installation in response to the holding of the Enter key, which allows user-assisted remote attackers to bypass intended access restrictions via a crafted web site that triggers an unspecified internal error.

At a glance

Exploitability: Can be exploited over the network without logging in. Limited direct impact.
Exploit odds: 1.5% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2011-09-29 00:55 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 23:32 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 1.5% in the next 30 days (EPSS).
Severity: 4.3 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2011-09-29 00:55 UTC
Last modified: 2026-06-16 23:32 UTC
Exploit probability: 1.5% · EPSS, next 30 days
Weakness: CWE-264
Record status: Modified

Affected

Mozilla Firefox 4.0
Mozilla Firefox 4.0.1
Mozilla Firefox 5.0
Mozilla Firefox 6.0
Mozilla Thunderbird ≤ 6.0.2
Mozilla Thunderbird 0.1
Mozilla Thunderbird 0.2
Mozilla Thunderbird 0.3

Attack profile CVSS 2.0 · 4.3

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

Raw vector

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

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-2011-3001.md and follow it. Check whether this project is affected by CVE-2011-3001. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

· More options · Status badge

Download Square Reddit

Fix and advisories

References

NVD record · CVE.org record