CVE-2023-27991

CWE-78 — OS Command Injection3 documents3 sources
Severity
8.8HIGH
EPSS
1.2%
top 21.29%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
24
Zyxel Atp100 FirmwareZyxel Atp100w FirmwareZyxel Atp200 Firmware+21 more
Timeline
PublishedApr 24

Description

The post-authentication command injection vulnerability in the CLI command of Zyxel ATP series firmware versions 4.32 through 5.35, USG FLEX series firmware versions 4.50 through 5.35, USG FLEX 50(W) firmware versions 4.16 through 5.35, USG20(W)-VPN firmware versions 4.16 through 5.35, and VPN series firmware versions 4.30 through 5.35, which could allow an authenticated attacker to execute some OS commands remotely.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages24 packages

▶CVEListV5zyxel/usg_flex_series_firmware4.50 through 5.35
▶CVEListV5zyxel/atp_series_firmware4.32 through 5.35
▶CVEListV5zyxel/vpn_series_firmware4.30 through 5.35
▶NVDzyxel/usg_flex_50_firmware4.50 — 5.36
▶NVDzyxel/usg_flex_100_firmware4.50 — 5.36

🔴Vulnerability Details

2
GHSA
GHSA-2j4f-52m8-xq9h: The post-authentication command injection vulnerability in the CLI command of Zyxel ATP series firmware versions 4↗2023-04-24
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CVEList
CVE-2023-27991: The post-authentication command injection vulnerability in the CLI command of Zyxel ATP series firmware versions 4↗2023-04-24
▶
CVE-2023-27991 (HIGH CVSS 8.8) | The post-authentication command inj | cvebase.io