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HIGH · 8.0

CVE-2021-4030

A cross-site request forgery vulnerability in the HTTP daemon of the Zyxel ARMOR Z1/Z2 firmware could allow an attacker to execute arbitrary commands if they coerce or trick a local user to visit a co...

Vulnerability Description

A cross-site request forgery vulnerability in the HTTP daemon of the Zyxel ARMOR Z1/Z2 firmware could allow an attacker to execute arbitrary commands if they coerce or trick a local user to visit a compromised website with malicious scripts.

CVSS Score

8.0

HIGH

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

Affected Products

VendorProductVersions
ZyxelNbg6816 Firmware1.00\(aawb.10\)c0
ZyxelNbg6816-
ZyxelNbg6817 Firmware< 1.00\(abcs.11\)c0
ZyxelNbg6817-

Related Weaknesses (CWE)

CWE-352

References

FAQ

What is CVE-2021-4030?

CVE-2021-4030 is a vulnerability with a CVSS score of 8.0 (HIGH). A cross-site request forgery vulnerability in the HTTP daemon of the Zyxel ARMOR Z1/Z2 firmware could allow an attacker to execute arbitrary commands if they coerce or trick a local user to visit a co...

How severe is CVE-2021-4030?

CVE-2021-4030 has been rated HIGH with a CVSS base score of 8.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-4030?

Check the references section above for vendor advisories and patch information. Affected products include: Zyxel Nbg6816 Firmware, Zyxel Nbg6816, Zyxel Nbg6817 Firmware, Zyxel Nbg6817.