CVE-2021-35029
high-risk
Published 2021-07-02
An authentication bypasss vulnerability in the web-based management interface of Zyxel USG/Zywall series firmware versions 4.35 through 4.64 and USG Flex, ATP, and VPN series firmware versions 4.35 through 5.01, which could allow a remote attacker to execute arbitrary commands on an affected device.
Do I need to act?
-
0.20% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10
Critical
NETWORK
/ LOW complexity
Affected Products (20)
Usg300 Firmware
Usg1000 Firmware
Usg2000 Firmware
Usg20 Firmware
Usg20W Firmware
Usg50 Firmware
Usg100 Firmware
Usg200 Firmware
Affected Vendors
References (2)
57
/ 100
high-risk
Severity
32/34 · Critical
Exploitability
1/34 · Minimal
Exposure
24/34 · High