CVE-2020-10045

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-07-14 · updated 2026-06-17
Weakness: CWE-294

Description

A vulnerability has been identified in SICAM MMU (All versions < V2.05), SICAM SGU (All versions), SICAM T (All versions < V2.18). An error in the challenge-response procedure could allow an attacker to replay authentication traffic and gain access to protected areas of the web application.

Affected products

Siemens Sicam Mmu Firmware: before 2.05 — fixed in 2.05
Siemens Sicam Sgu Firmware: all versions
Siemens Sicam T Firmware: before 2.18 — fixed in 2.18

How to fix

Upgrade to a fixed version: Siemens Sicam Mmu Firmware 2.05; Siemens Sicam T Firmware 2.18. Check the vendor advisory for mitigations.

References

https://cert-portal.siemens.com/productcert/pdf/ssa-305120.pdf
https://cert-portal.siemens.com/productcert/pdf/ssa-305120.pdf

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