CVE-2021-43829

Name: CVE-2021-43829
Creator: NVD / NIST
Published: 2021-12-14T20:15:07.743+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 59.25%

Last modified Jun 17, 2026

CVE-2021-43829 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. PatrOwl is a free and open-source solution for orchestrating Security Operations. In versions prior to 1.7.7 PatrowlManager unrestrictly handle upload files in the findings import feature. EPSS estimates a 59.25% chance of exploitation in the next 30 days.

Description

PatrOwl is a free and open-source solution for orchestrating Security Operations. In versions prior to 1.7.7 PatrowlManager unrestrictly handle upload files in the findings import feature. This vulnerability is capable of uploading dangerous type of file to server leading to XSS attacks and potentially other forms of code injection. Users are advised to update to 1.7.7 as soon as possible. There are no known workarounds for this issue.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

59.25%

99.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Patrowl	Patrowlmanager	< 1.7.7

References

https://github.com/Patrowl/PatrowlManager/commit/2287c9715d2e7ef11b44bb0ad4a57727654f2203Patch, Third Party Advisory
https://github.com/Patrowl/PatrowlManager/security/advisories/GHSA-5hc9-6hq4-2xfxThird Party Advisory
https://huntr.dev/bounties/17324785-f83a-4058-ac40-03f2bfa16399/Exploit, Patch, Third Party Advisory
https://github.com/Patrowl/PatrowlManager/commit/2287c9715d2e7ef11b44bb0ad4a57727654f2203Patch, Third Party Advisory
https://github.com/Patrowl/PatrowlManager/security/advisories/GHSA-5hc9-6hq4-2xfxThird Party Advisory
https://huntr.dev/bounties/17324785-f83a-4058-ac40-03f2bfa16399/Exploit, Patch, Third Party Advisory

Timeline

Published: Dec 14, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-43829?

How severe is CVE-2021-43829?

CVE-2021-43829 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 59.25% probability of exploitation in the next 30 days.

How do I fix CVE-2021-43829?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-43829?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST