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CVE-2021-21647

MEDIUMCVSS 4.3/10EPSS 1.46%

Last modified

CVE-2021-21647 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Jenkins CloudBees CD Plugin 1.1.21 and earlier does not perform a permission check in an HTTP endpoint, allowing attackers with Item/Read permission to schedule builds of projects without having Item/Build permission.. EPSS estimates a 1.46% chance of exploitation in the next 30 days.

Description

Jenkins CloudBees CD Plugin 1.1.21 and earlier does not perform a permission check in an HTTP endpoint, allowing attackers with Item/Read permission to schedule builds of projects without having Item/Build permission.

Metrics

CVSS 3.1
4.3/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

EPSS Probability
1.46%

70.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
JenkinsCloudbees Cd<= 1.1.21

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-21647?
Jenkins CloudBees CD Plugin 1.1.21 and earlier does not perform a permission check in an HTTP endpoint, allowing attackers with Item/Read permission to schedule builds of projects without having Item/Build permission.
How severe is CVE-2021-21647?
CVE-2021-21647 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 1.46% probability of exploitation in the next 30 days.
How do I fix CVE-2021-21647?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-21647?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST