What is CVE-2018-9129?

CVE-2018-9129 is a medium-severity vulnerability in Zyxel Usg_110. CVSS score: 5.9/10. Published 2018-08-15.

How severe is CVE-2018-9129?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in Zyxel Usg_110

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.

EPSS: 0.010 (57.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Zyxel Usg_110
Zyxel Usg_1100
Zyxel Usg_1100_firmware
Zyxel Usg_110_firmware
Zyxel Usg_1900
Zyxel Usg_1900_firmware
Zyxel Usg_20w
Zyxel Usg_20w_firmware
Zyxel Usg_20w-vpn
Zyxel Usg_20w-vpn_firmware

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)
cve@mitre.org (x_refsource_CONFIRM, Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2018-9129?: CVE-2018-9129 is a medium-severity vulnerability in Zyxel Usg_110. CVSS score: 5.9/10. Published 2018-08-15.
How severe is CVE-2018-9129?: Medium severity. CVSS v3 base score is 5.9 out of 10.