VulnerabilityModified
CVE-2016-10227
Zyxel USG50 Security Appliance and NWA3560-N Access Point allow remote attackers to cause a denial of service (CPU consumption) via a flood of ICMPv4 Port Unreachable packets.
HIGH 7.5EPSS 2.06%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.06%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Zyxel USG50 Security Appliance and NWA3560-N Access Point allow remote attackers to cause a denial of service (CPU consumption) via a flood of ICMPv4 Port Unreachable packets.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 2.06% probability · 80th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-399
- Affected
- zyxel/usg50 firmware · zyxel/nwa3560-n firmware
- Source
- cve@mitre.org
References
- http://www.securityfocus.com/bid/97105
- http://www.zyxel.com/support/announcement_blacknurse_attack.shtmlPatch, Vendor Advisory
- https://cxsecurity.com/issue/WLB-2017020177Exploit, Third Party Advisory
- http://www.securityfocus.com/bid/97105
- http://www.zyxel.com/support/announcement_blacknurse_attack.shtmlPatch, Vendor Advisory
- https://cxsecurity.com/issue/WLB-2017020177Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.