CVE-2024-39601

high

Description

A vulnerability has been identified in CPCI85 Central Processing/Communication (All versions < V5.40), SICORE Base system (All versions < V1.4.0). Affected devices allow a remote authenticated user or an unauthenticated user with physical access to downgrade the firmware of the device. This could allow an attacker to downgrade the device to older versions with known vulnerabilities.

References

References
More

https://www.cisa.gov/news-events/ics-advisories/icsa-24-207-01

https://www.securityweek.com/siemens-patches-power-grid-product-flaw-allowing-backdoor-deployment/

https://cert-portal.siemens.com/productcert/html/ssa-071402.html

http://seclists.org/fulldisclosure/2025/Feb/19

Details

Source: Mitre, NVD

Published: 2024-07-22

Updated: 2026-04-15

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:C/A:N

Severity: Medium

CVSS v3

Base Score: 6.5

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Severity: Medium

CVSS v4

Base Score: 7.1

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

Severity: High

EPSS

EPSS: 0.0014