CVE-2021-39133

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

MEDIUM

6.8

CVSS Score

Published: August 30, 2021 at 07:50 PM UTC

Updated: June 17, 2026 at 04:03 AM UTC

2 products affected across 2 vendorsRundeckRundeck

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Severity

MEDIUM6.8

Exploit prediction

EPSS 0.5%

Description

Rundeck is an open source automation service with a web console, command line tools and a WebAPI. Prior to version 3.3.14 and version 3.4.3, 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 are available in Rundeck versions 3.4.3 and 3.3.14.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Rundeck · Pagerduty

95%

v < 3.3.143.4.0 ≤ v < 3.4.3

Affected range stops below 3.3.14, so it looks safe — our inference, not a vendor statement

Affected range stops below 3.4.3, so it looks safe — our inference, not a vendor statement

Rundeck · Rundeck

60%

v < 3.3.14v < 3.4.3

Affected range stops below 3.3.14, so it looks safe — our inference, not a vendor statement

Affected range stops below 3.4.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://github.com/rundeck/rundeck/commit/67c4eedeaf9509fc0b255aff15977a5229ef13b9

References (2)

x_refsource_MISCPatchThird Party Advisory

Source: [email protected]

https://github.com/rundeck/rundeck/commit/67c4eedeaf9509fc0b255aff15977a5229ef13b9

x_refsource_CONFIRMThird Party Advisory

Source: [email protected]

https://github.com/rundeck/rundeck/security/advisories/GHSA-3jmw-c69h-426c

CVSS

6.8MEDIUM[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: HIGH
User Interaction: REQUIRED
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-352

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