Vulnerability Details : CVE-2021-42556
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.
Vulnerability category: Directory traversal
Products affected by CVE-2021-42556
- cpe:2.3:a:rasa:rasa_x:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-42556
1.24%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 78 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-42556
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2021-42556
-
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-42556
-
https://github.com/RasaHQ/rasa-x-security-advisories/security/advisories/GHSA-vp2h-j6px-56rc
Maliciously Crafted Model Archive Can Lead To Arbitrary File Write · Advisory · RasaHQ/rasa-x-security-advisories · GitHubThird Party Advisory
-
https://rasa.com
Open source conversational AI | RasaProduct
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