CVE-2023-22916

CWE-20 — Improper Input Validation3 documents3 sources
Severity
8.1HIGH
EPSS
0.7%
top 27.83%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
23
Zyxel Atp100 FirmwareZyxel Atp100w FirmwareZyxel Atp200 Firmware+20 more
Timeline
PublishedApr 24

Description

The configuration parser of Zyxel ATP series firmware versions 5.10 through 5.35, USG FLEX series firmware versions 5.00 through 5.35, USG FLEX 50(W) firmware versions 5.10 through 5.35, USG20(W)-VPN firmware versions 5.10 through 5.35, and VPN series firmware versions 5.00 through 5.35, which fails to properly sanitize user input. A remote unauthenticated attacker could leverage the vulnerability to modify device configuration data, resulting in DoS conditions on an affected device if the attac…

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:HExploitability: 2.8 | Impact: 5.2

Affected Packages23 packages

▶CVEListV5zyxel/usg_flex_series_firmware5.00 through 5.35
▶CVEListV5zyxel/atp_series_firmware5.10 through 5.35
▶CVEListV5zyxel/vpn_series_firmware5.00 through 5.35
▶NVDzyxel/usg_flex_50_firmware5.00 — 5.35
▶NVDzyxel/usg_flex_100_firmware5.00 — 5.35

🔴Vulnerability Details

2
CVEList
CVE-2023-22916: The configuration parser of Zyxel ATP series firmware versions 5↗2023-04-24
▶
GHSA
GHSA-34w5-49cc-qp8r: The configuration parser of Zyxel ATP series firmware versions 5↗2023-04-24
▶
CVE-2023-22916 (HIGH CVSS 8.1) | The configuration parser of Zyxel A | cvebase.io