What is CVE-2013-1811?

CVE-2013-1811 is a medium-severity vulnerability in Mantis, classified under Improper Input Validation. CVSS score: 4.3/10. Published 2019-11-07.

How severe is CVE-2013-1811?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Improper input validation in Mantis

CVE-2013-1811

An access control issue in MantisBT before 1.2.13 allows users with "Reporter" permissions to change any issue to "New".

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

Published 2019-11-07 · last modified 2026-06-16.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.010 (62.1th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Mantis — versions 1.2.13
Mantisbt
Debian Linux — versions 6.0, 7.0

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

security-tracker.debian.org/tracker/CVE-2013-1811 (Third Party Advisory)
www.debian.org/security/2015/dsa-3120 (Third Party Advisory)
www.openwall.com/lists/oss-security/2013/03/03/6 (Mailing List, Third Party Advisory)
www.openwall.com/lists/oss-security/2013/03/04/9 (Mailing List, Third Party Advisory)
mantisbt.org/bugs/view.php (Vendor Advisory)

Frequently asked questions

What is CVE-2013-1811?: CVE-2013-1811 is a medium-severity vulnerability in Mantis, classified under Improper Input Validation. CVSS score: 4.3/10. Published 2019-11-07.
How severe is CVE-2013-1811?: Medium severity. CVSS v3 base score is 4.3 out of 10.