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CVSS v3.1
7.5
EPSS
3.62%
Published
Nov 18, 2016
Modified
Apr 21, 2026
CISA Known Exploited Vulnerability
Added: 2022-03-03 · Due: 2022-03-24
Apply updates per vendor instructions.
Public PoC / Exploit (1)
All weaponized →Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.
Description
A vulnerability has been identified in SIMATIC CP 1543-1 (All versions < V2.0.28), SIPLUS NET CP 1543-1 (All versions < V2.0.28). Under special conditions it was possible to write SNMP variables on port 161/udp which should be read-only and should only be configured with TIA-Portal. A write to these variables could reduce the availability or cause a denial-of-service.
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HAffected Products (4)
References (9)