CVE-2021-41111

Name: CVE-2021-41111
Creator: NVD / NIST
Published: 2022-02-28T20:15:08.16+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.53%

Last modified Jun 17, 2026

CVE-2021-41111 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Rundeck is an open source automation service with a web console, command line tools and a WebAPI. Prior to versions 3.4.5 and 3.3.15, an authenticated user with authorization to read webhooks in one project can craft a request to reveal Webhook definitions and tokens in another project. EPSS estimates a 0.53% chance of exploitation in the next 30 days.

Description

Rundeck is an open source automation service with a web console, command line tools and a WebAPI. Prior to versions 3.4.5 and 3.3.15, an authenticated user with authorization to read webhooks in one project can craft a request to reveal Webhook definitions and tokens in another project. The user could use the revealed webhook tokens to trigger webhooks. Severity depends on trust level of authenticated users and whether any webhooks exist that trigger sensitive actions. There are patches for this vulnerability in versions 3.4.5 and 3.3.15. There are currently no known workarounds.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.53%

40.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-639

Affected Software

Vendor	Product	Versions
Pagerduty	Rundeck	< 3.3.15
Pagerduty	Rundeck	>= 3.4.0, < 3.4.5

References

https://github.com/rundeck/rundeck/commit/a3bdc06a0731da902593732022a5b9d2b4facec5Patch, Third Party Advisory
https://github.com/rundeck/rundeck/security/advisories/GHSA-mfqj-f22m-gv8jThird Party Advisory
https://github.com/rundeck/rundeck/commit/a3bdc06a0731da902593732022a5b9d2b4facec5Patch, Third Party Advisory
https://github.com/rundeck/rundeck/security/advisories/GHSA-mfqj-f22m-gv8jThird Party Advisory

Timeline

Published: Feb 28, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-41111?

How severe is CVE-2021-41111?

CVE-2021-41111 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.53% probability of exploitation in the next 30 days.

How do I fix CVE-2021-41111?

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-2021-41111?

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

Scan your code now

Source: NVD / NIST