Vulnerability CVE-2021-21677
Published: 2021-08-31

Description:
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.

Type:

CWE-502

 (Deserialization of Untrusted Data)

CVSS2 => (AV:N/AC:L/Au:S/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.5/10
6.4/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Jenkins -> Code coverage api 

 References:
https://www.jenkins.io/security/advisory/2021-08-31/#SECURITY-2376
http://www.openwall.com/lists/oss-security/2021/08/31/1
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