CVE-2021-40886 json
Projectsend version r1295 is affected by a directory traversal vulnerability.
published 2021-10-11 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-28041
- cvss
- 6.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 72%
- public exploits
- 0
- none known
Summary
Projectsend version r1295 is affected by a directory traversal vulnerability. A user with Uploader role can add value `2` for `chunks` parameter to bypass `fileName` sanitization.
Exploit prediction
1.42% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/projectsend/projectsend/issues/993 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
github.com
/projectsend/projectsend/issues/993
exploit, third-party-advisory
Sources
- CVE List CVE-2021-40886
- NVD CVE-2021-40886
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