CVE-2021-3924

Path Traversal in getgrav/grav

8.8 High

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

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

4.36%Up 3.7 points since Nov 6, 2021

What each source reports

CVE List Score used8.8

Path Traversal in getgrav/grav

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

Record: CVE-2021-3924
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-22
Updated: 2026-11-02

EUVDEUVD-2021-23218.8

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

Record: EUVD-2021-2321
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-03

GitHub AdvisoriesGHSA-8c5p-4362-93338.8

Path traversal in grav

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

Record: GHSA-8c5p-4362-9333
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-22
Updated: 2026-11-02

NVD7.5

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

Record: CVE-2021-3924
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:P/I:N/A:N
Weakness: CWE-22
Updated: 2026-11-02

OSV7.5

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

Record: CVE-2021-3924
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated: 2026-11-02

OSVGHSA-8c5p-4362-93338.8

Path traversal in grav

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

Record: GHSA-8c5p-4362-9333
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-22
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`getgrav/grav` Packagist	through 1.7.24	None known
`getgrav/grav` Packagist	through 1.7.24, plus listed versions 0.8.00.9.00.9.10.9.100.9.11 Show 45 moreShow less 0.9.120.9.130.9.140.9.150.9.160.9.170.9.180.9.190.9.20.9.200.9.210.9.220.9.230.9.240.9.250.9.260.9.270.9.280.9.290.9.30.9.300.9.310.9.320.9.330.9.340.9.350.9.360.9.370.9.380.9.390.9.40.9.400.9.410.9.420.9.430.9.440.9.450.9.50.9.60.9.70.9.80.9.91.0.01.0.0-rc.11.0.0-rc.2	None known

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-3924 is a high vulnerability (CVSS 8.8) in Getgrav Getgrav/grav, published November 5, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.36%, the 91st percentile. No source names a fixed version.

References

This page doesn't list everything

Left out here: 191 versions. The JSON record has them.