How severe is CVE-2021-21643?

CVE-2021-21643 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-21643 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-21643?

CVE-2021-21643 affects Jenkins Config File Provider. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-21643?

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

When was CVE-2021-21643 published?

CVE-2021-21643 was published on 2021-04-21 and last updated on 2026-06-17.

CVE-2021-21643

CVE-2021-21643 is a medium-severity vulnerability in Jenkins Config File Provider with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Jenkins Config File Provider
Published: 2021-04-21
Last modified: 2026-06-17

Description

Jenkins Config File Provider Plugin 3.7.0 and earlier does not correctly perform permission checks in several HTTP endpoints, allowing attackers with global Job/Configure permission to enumerate system-scoped credentials IDs of credentials stored in Jenkins.

Frequently asked questions

What is CVE-2021-21643?: Jenkins Config File Provider Plugin 3.7.0 and earlier does not correctly perform permission checks in several HTTP endpoints, allowing attackers with global Job/Configure permission to enumerate system-scoped credentials IDs of credentials stored in Jenkins.
How severe is CVE-2021-21643?: CVE-2021-21643 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-21643 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-21643?: CVE-2021-21643 affects Jenkins Config File Provider. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-21643?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-21643 published?: CVE-2021-21643 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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