Privilege escalation in Belden Hirschmann Hisecos Eagle
CVE-2023-7342
HiSecOS web server versions 03.4.00 prior to 04.1.00 contains a privilege escalation vulnerability that allows authenticated users with operator or auditor roles to escalate privileges to the administrator role by sending specially crafted packets to the web server. Attackers can exploit this flaw to gain full administrative access to the affected device.
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (16.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 16.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Belden Hirschmann Hisecos Eagle — versions 03.4.00
Weakness classification (CWE)
References
- assets.belden.com/m/4828b7cf8b652105/original/Microsoft-Word-Belden_Security_Bu… (vendor-advisory)
- www.vulncheck.com/advisories/belden-hisecos-web-server-privilege-escalation (third-party-advisory)
Frequently asked questions
- What is CVE-2023-7342?
- CVE-2023-7342 is a high-severity vulnerability in Belden Hirschmann Hisecos Eagle, classified under Improper Privilege Management. CVSS score: 8.8/10. Published 2026-04-02.
- How severe is CVE-2023-7342?
- High severity. CVSS v3 base score is 8.8 out of 10.