CVE-2021-3924 json
Path Traversal in getgrav/grav
published 2021-11-05 5 y ago modified 2026-06-17 4 mo ago also GHSA-8c5p-4362-9333 , EUVD-2021-2321
- cvss
- 8.8
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.4%
- EPSS 4.4% chance of exploitation in 30 days, percentile 91%
- public exploits
- 0
- none known
Summary
grav is vulnerable to Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Patch / fix
Exploit prediction
4.36% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- huntr.dev https://huntr.dev/bounties/7ca13522-d0c9-4eff-a7dd-6fd1a7f205a2 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 8.8 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
| GitHub | 3.0 | 8.8 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | getgrav/grav | <=1.7.24 |
no fix listed |
Affected products
- getgrav getgrav/grav
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
github.com
/getgrav/grav/commit/8f9c417c04b89dc8d2de60b95e7696821b2826ce
web, patch, third-party-advisory
-
huntr.dev
/bounties/7ca13522-d0c9-4eff-a7dd-6fd1a7f205a2
web, exploit, issue-tracking, patch, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-3924
advisory
-
github.com
/getgrav/grav
package
Sources
- CVE List CVE-2021-3924
- GitHub Advisory GHSA-8c5p-4362-9333
- NVD CVE-2021-3924
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