CVE-2023-28489
CWE-77Published: April 11, 2023· Updated: Jun 17, 2026
Official Description
A vulnerability has been identified in CP-8031 MASTER MODULE (All versions < CPCI85 V05), CP-8050 MASTER MODULE (All versions < CPCI85 V05). Affected devices are vulnerable to command injection via the web server port 443/tcp, if the parameter “Remote Operation” is enabled. The parameter is disabled by default.
The vulnerability could allow an unauthenticated remote attacker to perform arbitrary code execution on the device.
Technical Analysis
CVE-2023-28489 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 (6)
Quick Facts
Related CVEs (CWE-77)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-28489 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts