Cyber Resilience

CVE-2021-37354

CriticalPublic PoC

Published: 15 February 2022

Published
15 February 2022
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0043 62.8th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-37354 is a critical-severity Out-of-bounds Write (CWE-787) vulnerability in Xerox Phaser 4622 Firmware. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 37.2% 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

Xerox Phaser 4622 v35.013.01.000 was discovered to contain a buffer overflow in the function sub_3226AC via the TIMEZONE variable. This vulnerability allows attackers to cause a Denial of Service (DoS) via crafted overflow data.

CWE(s)
CWE-787

Related Threats

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

Affected Assets

xerox
phaser 4622 firmware
35.013.01.000

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.

SI-16 Memory Protection
addresses: CWE-787

Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.

References