CVE-2023-27991: high-severity vulnerability in Zyxel ATP series firmware
Published · Updated
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.8epss 1.5%
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:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
Zyxel · ATP series firmwareZyxel · USG20(W)-VPN firmwareZyxel · USG FLEX 50(W) firmwareZyxel · USG FLEX series firmwareZyxel · VPN series firmwareRelated CVEs — Zyxel ATP series firmware
In the same product, most dangerous first.