How severe is CVE-2021-21625?

CVE-2021-21625 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2021-21625 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-2021-21625?

CVE-2021-21625 affects Jenkins Cloudbees Aws Credentials. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-21625?

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

When was CVE-2021-21625 published?

CVE-2021-21625 was published on 2021-03-18 and last updated on 2026-06-17.

CVE-2021-21625

CVE-2021-21625 is a medium-severity vulnerability in Jenkins Cloudbees Aws Credentials with a CVSS 3.x base score of 4.3. 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-862.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.0
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Jenkins Cloudbees Aws Credentials
Published: 2021-03-18
Last modified: 2026-06-17

Description

Jenkins CloudBees AWS Credentials Plugin 1.28 and earlier does not perform a permission check in a helper method for HTTP endpoints, allowing attackers with Overall/Read permission to enumerate credentials IDs of AWS credentials stored in Jenkins in some circumstances.

Frequently asked questions

What is CVE-2021-21625?: Jenkins CloudBees AWS Credentials Plugin 1.28 and earlier does not perform a permission check in a helper method for HTTP endpoints, allowing attackers with Overall/Read permission to enumerate credentials IDs of AWS credentials stored in Jenkins in some circumstances.
How severe is CVE-2021-21625?: CVE-2021-21625 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2021-21625 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-2021-21625?: CVE-2021-21625 affects Jenkins Cloudbees Aws Credentials. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-21625?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-21625 published?: CVE-2021-21625 was published on 2021-03-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:jenkins:cloudbees_aws_credentials:*:*:*:*:*:jenkins:*:*

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