CVE Vulnerability

CVE-2018-9129

ZyXEL ZyWALL/USG series devices have a Bleichenbacher vulnerability in their Internet Key Exchange (IKE) handshake implementation used for IPsec based VPN connections.

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

5.9 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://www.zyxel.com/support/bleichenbacher_attack_vulnerability.shtml Patch Vendor Advisory
https://web-in-security.blogspot.com/2018/08/practical-bleichenbacher-attacks-on-ipsec-ike.html Third Party Advisory
ftp://ftp.zyxel.com/USG110/firmware/USG110_4.32(AAPH.0)C0_2.pdf Release Notes Vendor Advisory
Configurations

Configuration 1
Information

Published : 2018-08-15 06:29

Updated : 2019-10-03 12:03

NVD link : CVE-2018-9129

Mitre link : CVE-2018-9129

Products Affected

Zywall 310 Firmware

Zyxel

CWE
NVD-CWE-noinfo