CVE-2018-9129
moderate-risk
Published 2018-08-15
ZyXEL ZyWALL/USG series devices have a Bleichenbacher vulnerability in their Internet Key Exchange (IKE) handshake implementation used for IPsec based VPN connections.
Do I need to act?
-
0.27% 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
5
CVSS 5.9/10
Medium
NETWORK
/ HIGH complexity
Affected Products (17)
Zywall Vpn 50 Firmware
Zywall Vpn 100 Firmware
Zywall Vpn 300 Firmware
Usg 20W Firmware
Usg 110 Firmware
Usg 2200-Vpn Firmware
Usg 310 Firmware
Usg 1100 Firmware
Usg 1900 Firmware
Usg 20W-Vpn Firmware
Affected Vendors
References (6)
Third Party Advisory
https://web-in-security.blogspot.com/2018/08/practical-bleichenbacher-attacks-on...
Third Party Advisory
https://web-in-security.blogspot.com/2018/08/practical-bleichenbacher-attacks-on...
38
/ 100
moderate-risk
Severity
18/34 · Moderate
Exploitability
1/34 · Minimal
Exposure
19/34 · Moderate