Cyber Resilience

CVE-2022-43285

HighPublic PoC

Published: 28 October 2022

Published
28 October 2022
Modified
07 May 2025
KEV Added
Patch
CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0025 48.9th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-43285 is a high-severity Out-of-bounds Write (CWE-787) vulnerability in F5 Njs. Its CVSS base score is 7.5 (High).

Operationally, ranked at the 48.9th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

Nginx NJS v0.7.4 was discovered to contain a segmentation violation in njs_promise_reaction_job. NOTE: the vendor disputes the significance of this report because NJS does not operate on untrusted input.

CWE(s)

Related Threats

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

Affected Assets

f5
njs
0.7.4

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-787

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

References