CVE-2021-43578

Description

Jenkins Squash TM Publisher (Squash4Jenkins) Plugin 1.0.0 and earlier implements an agent-to-controller message that does not implement any validation of its input, allowing attackers able to control agent processes to replace arbitrary files on the Jenkins controller file system with an attacker-controlled JSON string.

8.1

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.28%

Vendor Advisory jenkins.io

Affected: Jenkins project Jenkins Squash TM Publisher (Squash4Jenkins) Plugin

References

Link	Tags
https://www.jenkins.io/security/advisory/2021-11-12/#SECURITY-2525	vendor advisory
http://www.openwall.com/lists/oss-security/2021/11/12/1	third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2021-43578?: CVE-2021-43578 has been scored as a high severity vulnerability.
How to fix CVE-2021-43578?: To fix CVE-2021-43578, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-43578 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-43578 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-43578?: CVE-2021-43578 affects Jenkins project Jenkins Squash TM Publisher (Squash4Jenkins) Plugin.

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