How severe is CVE-2020-2205?

CVE-2020-2205 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-2205 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-2205?

CVE-2020-2205 affects Jenkins Vncrecorder. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-2205?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-2205 published?

CVE-2020-2205 was published on 2020-07-02 and last updated on 2026-06-17.

CVE-2020-2205

CVE-2020-2205 is a medium-severity vulnerability in Jenkins Vncrecorder with a CVSS 3.x base score of 4.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 4.8)
CVSS v2: 3.5
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Jenkins Vncrecorder
Published: 2020-07-02
Last modified: 2026-06-17

Description

Jenkins VncRecorder Plugin 1.25 and earlier does not escape a tool path in the `checkVncServ` form validation endpoint, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by Jenkins administrators.

Frequently asked questions

What is CVE-2020-2205?: Jenkins VncRecorder Plugin 1.25 and earlier does not escape a tool path in the `checkVncServ` form validation endpoint, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by Jenkins administrators.
How severe is CVE-2020-2205?: CVE-2020-2205 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-2205 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-2205?: CVE-2020-2205 affects Jenkins Vncrecorder. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-2205?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-2205 published?: CVE-2020-2205 was published on 2020-07-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:jenkins:vncrecorder:*:*:*:*:*:jenkins:*:*

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