Cyber Resilience

CVE-2021-42372

HighPublic PoCRCE

Published: 08 November 2021

Published
08 November 2021
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.2303 96.0th percentile
Risk Priority 31 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-42372 is a high-severity OS Command Injection (CWE-78) vulnerability in Xorux Lpar2Rrd. Its CVSS base score is 8.8 (High).

Operationally, ranked in the top 4.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

A shell command injection in the HW Events SNMP community in XoruX LPAR2RRD and STOR2RRD before 7.30 allows authenticated remote attackers to execute arbitrary shell commands as the user running the service.

CWE(s)
CWE-78

Related Threats

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

Affected Assets

xorux
lpar2rrd
≤ 7.30
xorux
stor2rrd
≤ 7.30

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