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CVE-2021-21677

Good to know:

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Date: August 31, 2021

Jenkins Code Coverage API Plugin 1.4.0 and earlier does not apply Jenkins JEP-200 deserialization protection to Java objects it deserializes from disk, resulting in a remote code execution vulnerability.

Language: Java

Severity Score

Related Resources (6)

https://github.com/jenkinsci/code-coverage-api-plugin/commit/a5b3c18cff2a0b494c55fa73b05fc935b50530be
https://github.com/jenkinsci/code-coverage-api-plugin
http://www.openwall.com/lists/oss-security/2021/08/31/1
https://nvd.nist.gov/vuln/detail/CVE-2021-21677
https://www.jenkins.io/security/advisory/2021-08-31/#SECURITY-2376
https://www.mend.io/vulnerability-database/CVE-2021-21677

Severity Score

Weakness Type (CWE)

Deserialization of Untrusted Data

CWE-502

Top Fix

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Upgrade to version io.jenkins.plugins:code-coverage-api:1.4.1

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): SINGLE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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