CVE-2017-3790 is a denial-of-service vulnerability affecting Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) software versions prior to X8.8.2. It stems from insufficient size validation of user-supplied data in the received packet parser. An unauthenticated, remote attacker can exploit this by sending crafted H.224 data within H.323 RTP packets, causing a buffer overflow and system reload. This vulnerability has a high CVSS score of 8.6, indicating a severe impact with no authentication or user interaction required. There is no evidence of active exploitation, public exploit code, or significant community discussion, and it is not listed in CISA's KEV catalog.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
x8.1.0CPE matchmatch criteria | cpe:2.3:a:cisco:expressway:x8.1.0:*:*:*:*:*:*:* | ||
x8.1.1CPE matchmatch criteria | cpe:2.3:a:cisco:expressway:x8.1.1:*:*:*:*:*:*:* | ||
x8.1.2CPE matchmatch criteria | cpe:2.3:a:cisco:expressway:x8.1.2:*:*:*:*:*:*:* | ||
x8.1_baseCPE matchmatch criteria | cpe:2.3:a:cisco:expressway:x8.1_base:*:*:*:*:*:*:* | ||
x8.2.1CPE matchmatch criteria | cpe:2.3:a:cisco:expressway:x8.2.1:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
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