Cyber Resilience

CVE-2022-27481

Medium

Published: 12 April 2022

Published
12 April 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 5.3 CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0019 41.2th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-27481 is a medium-severity Race Condition (CWE-362) vulnerability in Siemens Scalance W1788-2Ia M12 Firmware. Its CVSS base score is 5.3 (Medium).

Operationally, ranked at the 41.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A vulnerability has been identified in SCALANCE W1788-1 M12 (All versions < V3.0.0), SCALANCE W1788-2 EEC M12 (All versions < V3.0.0), SCALANCE W1788-2 M12 (All versions < V3.0.0), SCALANCE W1788-2IA M12 (All versions < V3.0.0). Affected devices do not properly…

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handle resources of ARP requests. This could allow an attacker to cause a race condition that leads to a crash of the entire device.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

siemens
scalance w1788-2ia m12 firmware
≤ 3.0.0
siemens
scalance w1788-2 m12 firmware
≤ 3.0.0
siemens
scalance w1788-2 eec m12 firmware
≤ 3.0.0
siemens
scalance w1788-1 m12 firmware
≤ 3.0.0

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-362

Accurate timestamps from internal clocks enable detection of race conditions by providing reliable event ordering in audit logs.

addresses: CWE-362

Coordination of concurrent security activities reduces the probability that shared resources will be accessed simultaneously without proper synchronization.

References