SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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 compromised website with malicious scripts.

HIGH 8.8EPSS 0.44%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.44%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
0.44% probability · 37th percentile
CISA KEV
Not listed
Weakness
CWE-352
Affected
zyxel/nbg6816 firmware · zyxel/nbg6817 firmware
Source
security@zyxel.com.tw

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.