How severe is CVE-2021-21644?

CVE-2021-21644 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability low.

Is CVE-2021-21644 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-21644?

CVE-2021-21644 affects Jenkins Config File Provider. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-21644?

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

When was CVE-2021-21644 published?

CVE-2021-21644 was published on 2021-04-21 and last updated on 2026-06-17.

CVE-2021-21644

CVE-2021-21644 is a medium-severity vulnerability in Jenkins Config File Provider 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-352.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 5.8
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Jenkins Config File Provider
Published: 2021-04-21
Last modified: 2026-06-17

Description

A cross-site request forgery (CSRF) vulnerability in Jenkins Config File Provider Plugin 3.7.0 and earlier allows attackers to delete configuration files corresponding to an attacker-specified ID.

Frequently asked questions

What is CVE-2021-21644?: A cross-site request forgery (CSRF) vulnerability in Jenkins Config File Provider Plugin 3.7.0 and earlier allows attackers to delete configuration files corresponding to an attacker-specified ID.
How severe is CVE-2021-21644?: CVE-2021-21644 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2021-21644 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-21644?: CVE-2021-21644 affects Jenkins Config File Provider. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-21644?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-21644 published?: CVE-2021-21644 was published on 2021-04-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:jenkins:config_file_provider:*:*:*:*:*:jenkins:*:*

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