CVE-2021-21655
CVE-2021-21655 is a high-severity vulnerability in Jenkins P4 with a CVSS 3.x base score of 7.1. 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-352.
Key facts
- Severity: High (CVSS 3.x base score 7.1)
- CVSS v2: 5.8
- EPSS exploit prediction: 1% (41st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-352
- Affected product: Jenkins P4
- Published:
- Last modified:
Description
A cross-site request forgery (CSRF) vulnerability in Jenkins P4 Plugin 1.11.4 and earlier allows attackers to connect to an attacker-specified Perforce server using attacker-specified username and password.
Frequently asked questions
- What is CVE-2021-21655?
- A cross-site request forgery (CSRF) vulnerability in Jenkins P4 Plugin 1.11.4 and earlier allows attackers to connect to an attacker-specified Perforce server using attacker-specified username and password.
- How severe is CVE-2021-21655?
- CVE-2021-21655 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity low, and availability none.
- Is CVE-2021-21655 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-21655?
- CVE-2021-21655 affects Jenkins P4. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-21655?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-21655 published?
- CVE-2021-21655 was published on 2021-05-11 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:jenkins:p4:*:*:*:*:*:jenkins:*:*
More vulnerabilities in Jenkins P4
- CVE-2021-21654 — Medium (CVSS 4.3): Jenkins P4 Plugin 1.11.4 and earlier does not perform permission checks in multiple HTTP endpoints, allowing attackers…
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