What is CVE-2021-3924?

CVE-2021-3924 is a high-severity vulnerability in Getgrav Getgrav/grav, classified under Path Traversal. CVSS score: 7.5/10. Published 2021-11-05.

How severe is CVE-2021-3924?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2021-3924 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Path Traversal in Getgrav Getgrav/grav

CVE-2021-3924

grav is vulnerable to Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Vulnerability class: Path Traversal (Directory Traversal)

Published 2021-11-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.044 (91.0th percentile), scored 2026-10-09.

Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 91.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.044 · newest: 0.044 · change: 0.000

Affected products

Getgrav Getgrav/grav — versions unspecified
Getgrav Grav

Weakness classification (CWE)

CWE-22 — Path Traversal

Public proof-of-concept exploits

References

huntr.dev/bounties/7ca13522-d0c9-4eff-a7dd-6fd1a7f205a2 (Exploit, Patch, Third Party Advisory, Issue Tracking)
github.com/getgrav/grav/commit/8f9c417c04b89dc8d2de60b95e7696821b2826ce (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2021-3924?: CVE-2021-3924 is a high-severity vulnerability in Getgrav Getgrav/grav, classified under Path Traversal. CVSS score: 7.5/10. Published 2021-11-05.
How severe is CVE-2021-3924?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2021-3924 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.