CVE-2021-44165

Severity: high (CVSS 7.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-12-14 · updated 2026-06-17
Weakness: CWE-121

Description

A vulnerability has been identified in POWER METER SICAM Q100 (All versions < V2.41), POWER METER SICAM Q100 (All versions < V2.41), POWER METER SICAM Q100 (All versions < V2.41), POWER METER SICAM Q100 (All versions < V2.41). The affected firmware contains a buffer overflow vulnerability in the web application that could allow a remote attacker with engineer or admin priviliges to potentially perform remote code execution.

Affected products

Siemens 7Kg9501-0Aa01-0Aa1 Firmware: before 2.41 — fixed in 2.41
Siemens 7Kg9501-0Aa01-2Aa1 Firmware: before 2.41 — fixed in 2.41
Siemens 7Kg9501-0Aa31-0Aa1 Firmware: before 2.41 — fixed in 2.41
Siemens 7Kg9501-0Aa31-2Aa1 Firmware: before 2.41 — fixed in 2.41

How to fix

Upgrade to a fixed version: Siemens 7Kg9501-0Aa01-0Aa1 Firmware 2.41; Siemens 7Kg9501-0Aa01-2Aa1 Firmware 2.41; Siemens 7Kg9501-0Aa31-0Aa1 Firmware 2.41; Siemens 7Kg9501-0Aa31-2Aa1 Firmware 2.41. Check the vendor advisory for mitigations.

References

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