CVE-2023-28771

CriticalKnown Exploited

Improper error message handling in Zyxel ZyWALL/USG series firmware versions 4.60 through 4.73, VPN series firmware versions 4.60 through…

Zyxel·CWE-78·Published 2023-04-25

CVSS

9.8

EPSS

0.99

KEV

Yes

Exploits

cve.orgen

381 chars

Improper error message handling in Zyxel ZyWALL/USG series firmware versions 4.60 through 4.73, VPN series firmware versions 4.60 through 5.35, USG FLEX series firmware versions 4.60 through 5.35, and ATP series firmware versions 4.60 through 5.35, which could allow an unauthenticated attacker to execute some OS commands remotely by sending crafted packets to an affected device.

NVDen

381 chars

CVSS metrics across sources

Version	Type	Source	Base	Exp	Impact	Vector
3.1	Primary	cve.org	9.8	—	—	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1	Primary	cve.org	9.8	—	—	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1	Secondary	NVD	9.8	3.9	5.9	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1	Secondary	NVD	9.8	3.9	5.9	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H