Information disclosure in http-client - CVE-2020-11021
Published: May 5, 2020 / Updated: December 11, 2020
Vulnerability identifier: #VU27521
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2020-11021
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: GitHub Actions
Affected software:
http-client
http-client
Detailed vulnerability description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to Actions Http-Client can disclose Authorization headers to incorrect domain in certain redirect scenarios. A remote attacker can gain unauthorized access to sensitive information on the system.
How to mitigate CVE-2020-11021
Install updates from vendor's website.