CVE-2020-2123
RCE vulnerability in RadarGun Plugin
Jenkins RadarGun Plugin 1.7 and earlier does not configure its YAML parser to prevent the instantiation of arbitrary types, resulting in a remote code execution vulnerability.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Jenkins RadarGun Plugin 1.7 and earlier does not configure its YAML parser to prevent the instantiation of arbitrary types, resulting in a remote code execution vulnerability.
- Record
CVE-2020-2123- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:P - Weakness
- CWE-502
- Updated
- 2026-11-02
CVE ListNo score
Jenkins RadarGun Plugin 1.7 and earlier does not configure its YAML parser to prevent the instantiation of arbitrary types, resulting in a remote code execution vulnerability.
- Record
CVE-2020-2123- Updated
- 2026-11-02
EUVDEUVD-2022-2886No score
Jenkins RadarGun Plugin 1.7 and earlier does not configure its YAML parser to prevent the instantiation of arbitrary types, resulting in a remote code execution vulnerability.
- Record
EUVD-2022-2886- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-723p-9rcj-xv8j
RCE vulnerability in RadarGun Plugin
RadarGun Plugin 1.7 and earlier does not configure its YAML parser to prevent the instantiation of arbitrary types. This results in a remote code execution vulnerability exploitable by users able to configure RadarGun Plugin’s build step.
RadarGun Plugin 1.8 configures its YAML parser to only instantiate safe types.
- Record
GHSA-723p-9rcj-xv8j- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
OSV
Jenkins RadarGun Plugin 1.7 and earlier does not configure its YAML parser to prevent the instantiation of arbitrary types, resulting in a remote code execution vulnerability.
- Record
CVE-2020-2123- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGHSA-723p-9rcj-xv8j
RCE vulnerability in RadarGun Plugin
RadarGun Plugin 1.7 and earlier does not configure its YAML parser to prevent the instantiation of arbitrary types. This results in a remote code execution vulnerability exploitable by users able to configure RadarGun Plugin’s build step.
RadarGun Plugin 1.8 configures its YAML parser to only instantiate safe types.
- Record
GHSA-723p-9rcj-xv8j- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.jenkins-ci.plugins:radargunMaven | before 1.8 | 1.8 |
org.jenkins-ci.plugins:radargunMaven | before 1.8, plus listed versions 1.01.11.21.31.41.51.61.7 | 1.8 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| 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-2020-2123 is a high vulnerability (CVSS 8.8) in Jenkins Radargun, published February 12, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.28%, the 83rd percentile. Fixed in org.jenkins-ci.plugins:radargun 1.8.