CVE-2022-30623
CWE-288Published: July 18, 2022· Updated: Jun 17, 2026
Official Description
The server checks the user's cookie in a non-standard way, and a value is entered in the cookie value name of the status and its value is set to true to bypass the identification with the system using a username and password.
Risk Analysis
This vulnerability allows an attacker to bypass authentication on CHCNAV P5E GNSS firmware by manipulating cookie values. Given the CVSS score of 9.8, it is considered critical as it allows unauthorized access to the system.
There is no known public exploit for this vulnerability, and it is not currently in CISA's KEV catalog. It is remotely exploitable due to the network-based attack vector and low complexity.
Users should update to the latest firmware version provided by CHCNAV to resolve the authentication bypass.
Technical Analysis
CVE-2022-30623 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (CWE-288)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2022-30623 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts