What is CVE-2011-3611?

CVE-2011-3611 is a high-severity vulnerability in Usebb, classified under Improper Input Validation. CVSS score: 7.2/10. Published 2020-01-22.

How severe is CVE-2011-3611?

High severity. CVSS v3 base score is 7.2 out of 10.

Improper input validation in Usebb

CVE-2011-3611

A File Inclusion vulnerability exists in act parameter to admin.php in UseBB before 1.0.12.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2020-01-22 · last modified 2026-06-16.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.026 (84.4th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 84.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.026 · newest: 0.026 · change: 0.000

Affected products

Usebb — versions before 1.0.12

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

www.openwall.com/lists/oss-security/2011/10/10/4 (Mailing List, Third Party Advisory)
packetstormsecurity.com/files/100103/UseBB-1.0.11-Cross-Site-Request-Forgery-Lo… (Exploit, VDB Entry, Third Party Advisory)
www.immuniweb.com/advisory/HTB22913 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2011-3611?: CVE-2011-3611 is a high-severity vulnerability in Usebb, classified under Improper Input Validation. CVSS score: 7.2/10. Published 2020-01-22.
How severe is CVE-2011-3611?: High severity. CVSS v3 base score is 7.2 out of 10.