CVE-2021-42556 json
Rasa X before 0.42.4 allows Directory Traversal during archive extraction.
published 2021-10-22 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-29524
- cvss
- 5.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 61%
- public exploits
- 0
- none known
Summary
Rasa X before 0.42.4 allows Directory Traversal during archive extraction. In the functionality that allows a user to load a trained model archive, an attacker has arbitrary write capability within specific directories via a crafted archive file.
Patch / fix
- rasa rasa_x 0.42.4
Exploit prediction
0.96% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
rasa.com
product
-
github.com
/RasaHQ/rasa-x-security-advisories/security/advisories/GHSA-vp2h-j6px-56rc
third-party-advisory
Sources
- CVE List CVE-2021-42556
- NVD CVE-2021-42556
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.