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CVE-2021-39133

23
FAUCET Score

CVE-2021-39133 affects Rundeck versions prior to 3.3.14 and 3.4.3, where an authenticated administrator is susceptible to a Cross-Site Request Forgery (CSRF) attack. This vulnerability, rated Medium (CVSS 6.8), allows an attacker to execute untrusted code on the server, leading to high impact on confidentiality, integrity, and availability. There is no public exploit code, active exploitation, or significant community discussion reported for this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.3.14CPE matchmatch criteria
cpe:2.3:a:pagerduty:rundeck:*:*:*:*:*:*:*:*
>= 3.4.0, < 3.4.3CPE matchmatch criteria
cpe:2.3:a:pagerduty:rundeck:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.2HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.2
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.45%
Probability of exploitation in next 30 days
EPSS Percentile
37.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0045 is in the 55th percentile among its peer group of 4,931 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

github_advisorypatch availablevia nvd_reference
View patch
mavenpatch availablevia ghsa
Product: org.rundeck:rundeck-coreFixed in: 3.4.3
mavenpatch availablevia ghsa
Product: org.rundeck:rundeck-coreFixed in: 3.3.14

Vendor Advisories (1)

mavenGHSA-3jmw-c69h-426chigh

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

Sep 1, 2021

References

github.com / rundeck/rundeck/commit/67c4eedeaf9509fc0b255aff15977a5229ef13b9
PatchThird Party Advisory
github.com / rundeck/rundeck/security/advisories/GHSA-3jmw-c69h-426c
Third Party Advisory