ZyXEL ZyWALL/USG series devices have a Bleichenbacher vulnerability in their Internet Key Exchange (IKE) handshake implementation used for IPsec based VPN connections.
| Date Added | Due Date | Vulnerability Name | Required Action |
|---|---|---|---|
| N/A |
| Type | Version | Base score | Base severity | Vector |
|---|---|---|---|---|
| Primary | 3.0 | 5.9 | MEDIUM | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |
| Primary | 2.0 | 4.3 | MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
| CWE ID | Type | Source |
|---|---|---|
| NVD-CWE-noinfo | Primary | nvd@nist.gov |
| Hyperlink | Source | Resource |
|---|---|---|
| ftp://ftp.zyxel.com/USG110/firmware/USG110_4.32%28AAPH.0%29C0_2.pdf | cve@mitre.org | N/A |
| https://web-in-security.blogspot.com/2018/08/practical-bleichenbacher-attacks-on-ipsec-ike.html | cve@mitre.org | Third Party Advisory |
| https://www.zyxel.com/support/bleichenbacher_attack_vulnerability.shtml | cve@mitre.org | Patch Vendor Advisory |