by Kastro
Paper/Archive/CVE-2025-40771

CVE-2025-40771

Siemens SIMATIC CP 1542SP-1 — A vulnerability has been identified in SIMATIC CP 1542SP-1 (6GK7542-6UX00-0XE0) (All versions < V2.4.24), SIMATIC CP 1542SP-1 IRC (6GK754…

EPSS 0.5%CVSS 9.8
critical.is priorityof 100
38
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 44.7.447 × 208.9No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

A vulnerability has been identified in SIMATIC CP 1542SP-1 (6GK7542-6UX00-0XE0) (All versions < V2.4.24), SIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0) (All versions < V2.4.24), SIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0) (All versions < V2.4.24), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (6AG2542-6VX00-4XE0) (All versions < V2.4.24), SIPLUS ET 200SP CP 1543SP-1 ISEC (6AG1543-6WX00-7XE0) (All versions < V2.4.24), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (6AG2543-6WX00-4XE0) (All versions < V2.4.24). Affected devices do not properly authenticate configuration connections. This could allow an unauthenticated remote attacker to access the configuration data.

Affected

ProductAffectedFixed inSource
SIMATIC CP 1542SP-1< V2.4.24V2.4.24CNA
SIMATIC CP 1542SP-1 IRC< V2.4.24V2.4.24CNA
SIMATIC CP 1543SP-1< V2.4.24V2.4.24CNA
SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL< V2.4.24V2.4.24CNA
SIPLUS ET 200SP CP 1543SP-1 ISEC< V2.4.24V2.4.24CNA
SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL< V2.4.24V2.4.24CNA

Scores by source

siemens (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
siemens (CNA)9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: partial

References

refcert-portal.siemens.com/productcert/html/ssa-486936.html