How severe is CVE-2020-2259?

CVE-2020-2259 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-2259 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-2259?

CVE-2020-2259 affects Jenkins Computer Queue. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-2259?

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

When was CVE-2020-2259 published?

CVE-2020-2259 was published on 2020-09-16 and last updated on 2026-06-17.

CVE-2020-2259

CVE-2020-2259 is a medium-severity vulnerability in Jenkins Computer Queue with a CVSS 3.x base score of 5.4. 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 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Jenkins Computer Queue
Published: 2020-09-16
Last modified: 2026-06-17

Description

Jenkins computer-queue-plugin Plugin 1.5 and earlier does not escape the agent name in tooltips, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Agent/Configure permission.

Frequently asked questions

What is CVE-2020-2259?: Jenkins computer-queue-plugin Plugin 1.5 and earlier does not escape the agent name in tooltips, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Agent/Configure permission.
How severe is CVE-2020-2259?: CVE-2020-2259 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-2259 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-2259?: CVE-2020-2259 affects Jenkins Computer Queue. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-2259?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-2259 published?: CVE-2020-2259 was published on 2020-09-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:jenkins:computer_queue:*:*:*:*:*:jenkins:*:*

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