CVE-2021-39133
Cross-Site Request Forgery (CSRF) can run untrusted code on Rundeck server
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Cross-Site Request Forgery (CSRF) can run untrusted code on Rundeck server
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.
- Record
CVE-2021-39133- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-352
- Updated
- 2026-11-02
EUVDEUVD-2021-1964
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.
- Record
EUVD-2021-1964- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3jmw-c69h-426c
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 for information about specific workarounds.
For more information
If you have any questions or comments about this advisory:
- Email us at [email protected]
To report security issues to Rundeck please use the form at https://rundeck.com/security
- Record
GHSA-3jmw-c69h-426c- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-352
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2021-39133- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.0 Medium
AV:N/AC:M/Au:S/C:P/I:P/A:P - Weakness
- CWE-352
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2021-39133- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGHSA-3jmw-c69h-426c
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 for information about specific workarounds.
For more information
If you have any questions or comments about this advisory:
- Email us at [email protected]
To report security issues to Rundeck please use the form at https://rundeck.com/security
- Record
GHSA-3jmw-c69h-426c- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-352
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.rundeck:rundeck-coreMaven |
3.4.0 up to 3.4.3 | 3.4.3 |
org.rundeck:rundeck-coreMaven |
before 3.3.14 | 3.3.14 |
org.rundeck:rundeck-coreMaven |
3.4.0 up to 3.4.3, plus listed versions 3.4.0-202106143.4.1-202106143.4.1-202107153.4.1-rc1-202106293.4.1-rc2-20210705 Show 6 moreShow less3.4.1-rc3-202107093.4.2-202108033.4.2-rc1-202107263.4.2-rc2-202107293.4.3-rc1-202108133.4.3-rc2-20210816 |
3.4.3 |
org.rundeck:rundeck-coreMaven |
before 3.3.14, plus listed versions 1.4.41.4.51.51.5.11.5.2 Show 45 moreShow less1.5.31.6.01.6.11.6.22.0.02.0.12.0.22.0.32.0.42.1.02.1.12.1.22.1.32.10.02.10.12.10.22.10.32.10.42.10.52.10.62.10.72.10.82.11.02.11.0-RC12.11.12.11.102.11.112.11.122.11.132.11.142.11.22.11.32.11.42.11.52.11.62.11.72.11.82.11.92.2.02.2.12.2.22.2.32.3.02.3.12.3.2 |
3.3.14 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-39133 is a high vulnerability (CVSS 7.2) in Pagerduty Rundeck, published August 30, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.45%, the 39th percentile. Fixed in org.rundeck:rundeck-core 3.4.3.
References
Left out here: 131 versions. The JSON record has them.