What is CVE-2022-31321?

CVE-2022-31321 is a critical-severity vulnerability in Boltcms Bolt, classified under Improper Input Validation. CVSS score: 9.1/10. Published 2022-08-01.

How severe is CVE-2022-31321?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Improper input validation in Boltcms Bolt

CVE-2022-31321

The foldername parameter in Bolt 5.1.7 was discovered to have incorrect input validation, allowing attackers to perform directory enumeration or cause a Denial of Service (DoS) via a crafted input.

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

Published 2022-08-01 · last modified 2026-07-09.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.

EPSS exploit prediction

EPSS: 0.009 (56.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 56.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.009 · change: +0.000

Affected products

Boltcms Bolt

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

af854a3a-2127-422b-91ae-364da2661108 (Product)
github.com/Accenture/AARO-Bugs/blob/master/AARO-CVE-List.md (Third Party Advisory)

Frequently asked questions

What is CVE-2022-31321?: CVE-2022-31321 is a critical-severity vulnerability in Boltcms Bolt, classified under Improper Input Validation. CVSS score: 9.1/10. Published 2022-08-01.
How severe is CVE-2022-31321?: Critical severity. CVSS v3 base score is 9.1 out of 10.