Cyber Resilience

CVE-2022-38547

HighRCE

Published: 07 February 2023

Published
07 February 2023
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1 7.2 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0147 81.3th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-38547 is a high-severity OS Command Injection (CWE-78) vulnerability in Zyxel Atp100 Firmware. Its CVSS base score is 7.2 (High).

Operationally, ranked in the top 18.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A post-authentication command injection vulnerability in the CLI command of Zyxel ZyWALL/USG series firmware versions 4.20 through 4.72, VPN series firmware versions 4.30 through 5.32, USG FLEX series firmware versions 4.50 through 5.32, and ATP series firmware versions 4.32 through…

more

5.32, which could allow an authenticated attacker with administrator privileges to execute OS commands.

CWE(s)
CWE-78

Related Threats

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

Affected Assets

zyxel
atp100 firmware
4.32 — 5.32
zyxel
atp200 firmware
4.32 — 5.32
zyxel
atp700 firmware
4.32 — 5.32
zyxel
atp500 firmware
4.32 — 5.32
zyxel
atp100w firmware
4.32 — 5.32
zyxel
atp800 firmware
4.32 — 5.32
zyxel
usg flex 50 firmware
4.50 — 5.32
zyxel
usg flex 200 firmware
4.50 — 5.32
zyxel
usg flex 500 firmware
4.50 — 5.32
zyxel
usg flex 700 firmware
4.50 — 5.32
+15 more product configuration(s) — see NVD for full list

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