CVE-2021-29641 json
Directus 8 before 8.8.2 allows remote authenticated users to execute arbitrary code because file-upload permissions include the ability to…
published 2021-04-07 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-16117
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 4.9%
- EPSS 4.9% chance of exploitation in 30 days, percentile 92%
- public exploits
- 0
- none known
Summary
Directus 8 before 8.8.2 allows remote authenticated users to execute arbitrary code because file-upload permissions include the ability to upload a .php file to the main upload directory and/or upload a .php file and a .htaccess file to a subdirectory. Exploitation succeeds only for certain installations with the Apache HTTP Server and the local-storage driver (e.g., when the product was obtained from hub.docker.com).
Patch / fix
- rangerstudio directus 8.8.2
Exploit prediction
4.87% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- seclists.org http://seclists.org/fulldisclosure/2021/Apr/14 referenced PoC, tagged "exploit" by a source, unverified
- sec-consult.com https://sec-consult.com/de/vulnerability-lab/advisory/arbitrary-file-upload-and-bypassing-htaccess-rules-in-monospace-directus-headless-cms/ referenced PoC, tagged "exploit" by a source, unverified
- sec-consult.com https://sec-consult.com/vulnerability-lab/advisory/arbitrary-file-upload-and-bypassing-htaccess-rules-in-monospace-directus-headless-cms/ referenced PoC, tagged "exploit" by a source, unverified
- packetstormsecurity.com http://packetstormsecurity.com/files/162118/Monospace-Directus-Headless-CMS-File-Upload-Rule-Bypass.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-434 Unrestricted Upload of File with Dangerous Type
References
-
seclists.org
/fulldisclosure/2021/Apr/14
mailing-list, exploit, third-party-advisory
-
sec-consult.com
/de/vulnerability-lab/advisory/arbitrary-file-upload-and-bypassing-htaccess-rules-in-monospace-directus-headle
exploit, third-party-advisory
-
sec-consult.com
/vulnerability-lab/advisory/arbitrary-file-upload-and-bypassing-htaccess-rules-in-monospace-directus-headless-
exploit, third-party-advisory
-
packetstormsecurity.com
/files/162118/Monospace-Directus-Headless-CMS-File-Upload-Rule-Bypass.html
exploit, third-party-advisory, vdb-entry
-
hub.docker.com
/layers/directus/directus/v8.8.2-apache/images/sha256-d9898b6442b0150c3c377b50e706757f35d2d563bd82ddaf97f3ae4b
third-party-advisory
Sources
- CVE List CVE-2021-29641
- NVD CVE-2021-29641
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.