CVE-2016-6407 describes a denial-of-service vulnerability affecting Cisco Web Security Appliance (WSA) devices running AsyncOS through version 9.5.0-444. An unauthenticated remote attacker can exploit this by sending numerous simultaneous HTTP requests for overlapping byte ranges, leading to link saturation and service disruption. With a CVSS v3 score of 7.5 (High), this vulnerability is easily exploitable over the network with no user interaction, though it only impacts availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
5.6.0-623CPE matchmatch criteria | cpe:2.3:a:cisco:web_security_appliance:5.6.0-623:*:*:*:*:*:*:* | ||
6.0.0-000CPE matchmatch criteria | cpe:2.3:a:cisco:web_security_appliance:6.0.0-000:*:*:*:*:*:*:* | ||
7.1.0CPE matchmatch criteria | cpe:2.3:a:cisco:web_security_appliance:7.1.0:*:*:*:*:*:*:* | ||
7.1.1CPE matchmatch criteria | cpe:2.3:a:cisco:web_security_appliance:7.1.1:*:*:*:*:*:*:* | ||
7.1.2CPE matchmatch criteria | cpe:2.3:a:cisco:web_security_appliance:7.1.2:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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