🛡️ CVE-2021-39133 — rundeck-core

🟠 CVSS 8.0 — High ✅ No Known Exploit CWE-352 OSV
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Cross-Site Request Forgery (CSRF) can run untrusted code on Rundeck server

Impact

A user with admin access to the system resource type is potentially vulnerable to a CSRF attack that could cause the server to run untrusted code on all Rundeck editions.

Patches

Available in Rundeck 3.4.3 and 3.3.14

Workarounds

Please visit [https://rundeck.com/security](https://rundeck.com/security) for information about specific workarounds.

For more information

If you have any questions or comments about this advisory:

To report security issues to Rundeck please use the form at [https://rundeck.com/security](https://rundeck.com/security)

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs administrative privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2021-39133 is classified as CWE-352: Cross-Site Request Forgery (CSRF). A state-changing request is accepted without proof it was intended, so another site can trigger it using the victim's session.

Affected software

CVE-2021-39133 is recorded against 1 package.

  • org.rundeck:rundeck-core (fixed in 3.3.14)

Timeline and source

Published on 1 September 2021 and last revised on 8 July 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

github.com (Web)
nvd.nist.gov (Advisory)
github.com (Web)
github.com (Package)

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE CWE-352
Public Exploit ✅ No
Source OSV
Published 2021-09-01
Updated 2026-08-12
Modified 2026-07-08
Fix URL N/A

Affected Packages

Software From version Fixed in
org.rundeck:rundeck-core — 3.3.14

Similar Threats

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