CVE record · CVE-2022-2030

Path traversal in Zyxel USG FLEX 100(W) firmware and others

CVSS 6.5 MediumEPSS 0.014 · 71st percentile

Published by the CVE Program (CNA: Zyxel) at 19 Jul 2022, 05:55 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
Zyxel	USG FLEX 100(W) firmware	affected 4.50 through 5.30
Zyxel	USG FLEX 200 firmware	affected 4.50 through 5.30
Zyxel	USG FLEX 500 firmware	affected 4.50 through 5.30
Zyxel	USG FLEX 700 firmware	affected 4.50 through 5.30
Zyxel	ATP series firmware	affected 4.32 through 5.30
Zyxel	VPN series firmware	affected 4.30 through 5.30
Zyxel	USG FLEX 50(W) firmware	affected 4.16 through 5.30
Zyxel	USG 20(W)-VPN firmware	affected 4.16 through 5.30
Zyxel	USG/ZyWALL series firmware	affected 4.11 through 4.72

Identifiers: CVE-2022-2030
CNA: Zyxel
Weakness (CWE): CWE-22
Tags: Zyxel USG FLEX 100(W) firmware
Zyxel USG FLEX 200 firmware
Zyxel USG FLEX 500 firmware
Zyxel USG FLEX 700 firmware
Zyxel ATP series firmware
Zyxel VPN series firmware
Zyxel USG FLEX 50(W) firmware
Zyxel USG 20(W)-VPN firmware
Path traversal
Published: 19 Jul 2022
Updated: 3 Aug 2024

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
6.5	Medium	3.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N	CNA (Zyxel)

CISA KEV Not listed.
EPSS 0.014, the 71st percentile, on 9 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 19 Jul 2022. New records show when each source confirmed them.

Sources

References from the CNA

www.zyxel.com/support/Zyxel-security-advisory-authenticated-directory-traversal-vulnerabilities-of-firewalls.shtml confirm

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.