What is CVE-2020-2207?

CVE-2020-2207 is a medium-severity vulnerability in Jenkins Vncviewer, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-07-02.

How severe is CVE-2020-2207?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Jenkins Vncviewer

CVE-2020-2207

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.009 (55.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Jenkins Vncviewer
Jenkins Project Vncviewer Plugin — versions unspecified

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

jenkinsci-cert@googlegroups.com (x_refsource_CONFIRM, Vendor Advisory)
jenkinsci-cert@googlegroups.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2020-2207?: CVE-2020-2207 is a medium-severity vulnerability in Jenkins Vncviewer, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-07-02.
How severe is CVE-2020-2207?: Medium severity. CVSS v3 base score is 6.1 out of 10.