Cyber Resilience

CVE-2021-42538

HighRCE

Published: 22 October 2021

Published
22 October 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1 8.0 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.0022 44.6th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-42538 is a high-severity OS Command Injection (CWE-78) vulnerability in Emerson Wireless 1410 Gateway Firmware. Its CVSS base score is 8.0 (High).

Operationally, ranked at the 44.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

The affected product is vulnerable to a parameter injection via passphrase, which enables the attacker to supply uncontrolled input.

CWE(s)
CWE-78CWE-77

Related Threats

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

Affected Assets

emerson
wireless 1410 gateway firmware
≤ 4.7.94
emerson
wireless 1410d gateway firmware
≤ 4.7.94
emerson
wireless 1420 gateway firmware
≤ 4.7.94

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.

SC-27 Platform-independent Applications
addresses: CWE-78

Platform-independent apps typically execute inside a managed runtime or sandbox that restricts direct OS command execution, reducing the ability to exploit OS command injection.

SI-10 Information Input Validation
addresses: CWE-78

Validates inputs to block special elements that would alter OS command execution.

References