SB20230821237 - API authentication bypass in Ivanti Sentry
Published: August 21, 2023 Updated: May 13, 2024
Security Bulletin ID
SB20230821237
CSH Severity
Critical
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Authentication (CVE-ID: CVE-2023-38035)
CWE-ID: CWE-287 - Improper Authentication
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to missing authentication on certain APIs. A remote attacker can send a specially crafted HTTP request to port 8443/TCP, bypass authentication process and execute arbitrary code on the system.
Note, the vulnerability is being actively exploited in the wild.
Remediation
Install update from vendor's website.
References
- https://forums.ivanti.com/s/article/CVE-2023-38035-API-Authentication-Bypass-on-Sentry-Administrator-Interface?language=en_US
- https://www.ivanti.com/blog/cve-2023-38035-vulnerability-affecting-ivanti-sentry
- https://forums.ivanti.com/s/article/KB-API-Authentication-Bypass-on-Sentry-Administrator-Interface-CVE-2023-38035?language=en_US