Improper Authorization in Quay - CVE-2020-27831
Published: January 12, 2021
Vulnerability identifier: #VU49393
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-27831
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to Red Hat Quay does not properly protect the authorization token when authorizing email addresses for repository email notifications. A remote attacker can force the application to send repository notifications to arbitrary email addresses.
Affected software
Quay
How to mitigate CVE-2020-27831
Install updates from vendor's website.
Quay - update to 3.3.3