Auth bypass in Jenkins Amazon Ec2

CVE-2020-2091

A missing permission check in Jenkins Amazon EC2 Plugin 1.47 and earlier allows attackers with Overall/Read permission to connect to an attacker-specified URL within the AWS region using attacker-specified credentials IDs obtained through another method.

Vulnerability class: Broken Access Control

EPSS: 0.011 (62.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-2091?
CVE-2020-2091 is a high-severity vulnerability in Jenkins Amazon Ec2, classified under Missing Authorization. CVSS score: 8.1/10. Published 2020-01-15.
How severe is CVE-2020-2091?
High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2020-2091 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.