CVE-2017-6628 is a denial-of-service vulnerability in the SMART-SSL Accelerator functionality of Cisco Wide Area Application Services (WAAS) versions 6.2.1, 6.2.1a, and 6.2.3a. It stems from improper handling of an SSL/TLS alert in a specific connection state. An unauthenticated, remote attacker can exploit this by sending crafted SSL/TLS traffic through the device, causing WAN optimization to cease functioning temporarily. Rated Medium severity (CVSS 6.8), the attack requires high complexity but has no user interaction, leading to a high impact on availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
6.2.1CPE matchmatch criteria | cpe:2.3:a:cisco:wide_area_application_services:6.2.1:*:*:*:*:*:*:* | ||
6.2.1aCPE matchmatch criteria | cpe:2.3:a:cisco:wide_area_application_services:6.2.1a:*:*:*:*:*:*:* | ||
6.2.3aCPE matchmatch criteria | cpe:2.3:a:cisco:wide_area_application_services:6.2.3a:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H
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