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HIGH · 7.2

CVE-2022-38547

A post-authentication command injection vulnerability in the CLI command of Zyxel ZyWALL/USG series firmware versions 4.20 through 4.72, VPN series firmware versions 4.30 through 5.32, USG FLEX series...

Vulnerability Description

A post-authentication command injection vulnerability in the CLI command of Zyxel ZyWALL/USG series firmware versions 4.20 through 4.72, VPN series firmware versions 4.30 through 5.32, USG FLEX series firmware versions 4.50 through 5.32, and ATP series firmware versions 4.32 through 5.32, which could allow an authenticated attacker with administrator privileges to execute OS commands.

CVSS Score

7.2

HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
ZyxelAtp100 Firmware>= 4.32, <= 5.32
ZyxelAtp100-
ZyxelAtp200 Firmware>= 4.32, <= 5.32
ZyxelAtp200-
ZyxelAtp700 Firmware>= 4.32, <= 5.32
ZyxelAtp700-
ZyxelAtp500 Firmware>= 4.32, <= 5.32
ZyxelAtp500-
ZyxelAtp100W Firmware>= 4.32, <= 5.32
ZyxelAtp100W-
ZyxelAtp800 Firmware>= 4.32, <= 5.32
ZyxelAtp800-
ZyxelUsg Flex 50 Firmware>= 4.50, <= 5.32
ZyxelUsg Flex 50-
ZyxelUsg Flex 200 Firmware>= 4.50, <= 5.32
ZyxelUsg Flex 200-
ZyxelUsg Flex 500 Firmware>= 4.50, <= 5.32
ZyxelUsg Flex 500-
ZyxelUsg Flex 700 Firmware>= 4.50, <= 5.32
ZyxelUsg Flex 700-

Related Weaknesses (CWE)

CWE-78

References

FAQ

What is CVE-2022-38547?

CVE-2022-38547 is a vulnerability with a CVSS score of 7.2 (HIGH). A post-authentication command injection vulnerability in the CLI command of Zyxel ZyWALL/USG series firmware versions 4.20 through 4.72, VPN series firmware versions 4.30 through 5.32, USG FLEX series...

How severe is CVE-2022-38547?

CVE-2022-38547 has been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2022-38547?

Check the references section above for vendor advisories and patch information. Affected products include: Zyxel Atp100 Firmware, Zyxel Atp100, Zyxel Atp200 Firmware, Zyxel Atp200, Zyxel Atp700 Firmware.