Path Traversal in Zyxel Atp Series Firmware
CVE-2022-2030
A directory traversal vulnerability caused by specific character sequences within an improperly sanitized URL was identified in some CGI programs of Zyxel USG FLEX 100(W) firmware versions 4.50 through 5.30, USG FLEX 200 firmware versions…
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.013 (79.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Zyxel Atp Series Firmware — versions 4.32 through 5.30
- Zyxel Usg 20(w)-vpn Firmware — versions 4.16 through 5.30
- Zyxel Usg Flex 100(w) Firmware — versions 4.50 through 5.30
- Zyxel Usg Flex 200 Firmware — versions 4.50 through 5.30
- Zyxel Usg Flex 500 Firmware — versions 4.50 through 5.30
- Zyxel Usg Flex 50(w) Firmware — versions 4.16 through 5.30
- Zyxel Usg Flex 700 Firmware — versions 4.50 through 5.30
- Zyxel Usg/zywall Series Firmware — versions 4.11 through 4.72
- Zyxel Vpn Series Firmware — versions 4.30 through 5.30
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.zyxel.com/support/Zyxel-security-advisory-authenticated-directory-traversal… (x_refsource_CONFIRM)
Frequently asked questions
- What is CVE-2022-2030?
- CVE-2022-2030 is a medium-severity vulnerability in Zyxel Atp Series Firmware, classified under Path Traversal. CVSS score: 6.5/10. Published 2022-07-19.
- How severe is CVE-2022-2030?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2022-2030 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.