TI-2020-02084 Aliases CVE-2020-2207 GHSA-2j4h-cjgh-659v

Cross-site scripting in Jenkins VncViewer Plugin

LOW 29CWE-79Published 2020-07-02 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-79.

Summary

Jenkins VncViewer Plugin 1.7 and earlier does not escape a parameter value in the checkVncServ form validation endpoint, resulting in a reflected cross-site scripting (XSS) vulnerability.

Why it matters now

EPSS 0.00871 59th percentileScored 2026-11-07

Fix Fixed org.jenkins-ci.plugins:vncviewer (Maven): 1.8

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Jenkins	Jenkins VncViewer Plugin	up to 1.7	—	No fix listed	CNA
—	org.jenkins-ci.plugins:vncviewer (Maven)	before 1.8	1.8	Patch available	GHSA-2j4h-cjgh-659v

Jenkins VncViewer Plugin VendorJenkins Affected up to 1.7 Fixed in — No fix listed CNA
org.jenkins-ci.plugins:vncviewer (Maven) Vendor— Affected before 1.8 Fixed in 1.8 Patch available GHSA-2j4h-cjgh-659v

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:jenkins:vncviewer::::::jenkins::*	up to 1.7	Vulnerable	Jenkins

cpe:2.3:a:jenkins:vncviewer:*:*:*:*:*:jenkins:*:* Versions up to 1.7 Vulnerable ·Jenkins

Remediation

Fix · GHSA-2j4h-cjgh-659v org.jenkins-ci.plugins:vncviewer (Maven) Fixed in 1.8 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2020-2207
2026-10-03 Alias added: GHSA-2j4h-cjgh-659v

References

Advisory 3

Other 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences