What’s Vulnerable › Vulnerabilities

CVE-2021-42556

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-10-22 · updated 2026-06-17
• Weakness: CWE-22

Description

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.

Affected products

• Rasa X: before 0.42.4 — fixed in 0.42.4

How to fix

Upgrade to a fixed version: Rasa X 0.42.4. Check the vendor advisory for mitigations.

References

• https://github.com/RasaHQ/rasa-x-security-advisories/security/advisories/GHSA-vp2h-j6px-56rc
• https://rasa.com
• https://github.com/RasaHQ/rasa-x-security-advisories/security/advisories/GHSA-vp2h-j6px-56rc
• https://rasa.com

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