OS Command Injection in Okta Access Gateway - CVE-2021-28113
Published: March 8, 2023
Vulnerability identifier: #VU73178
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-28113
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote user to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation within the cookieDomain and relayDomain parameters in the "/api/v1/app/idp/" API endpoint. A remote privileged user can send a specially crafted HTTP POST request to the server and execute arbitrary OS commands on the target system.
Affected software
Okta Access Gateway
How to mitigate CVE-2021-28113
Install updates from vendor's website.
Okta Access Gateway - update to 2020.9.3