CVE-2017-12233 describes multiple denial-of-service vulnerabilities in Cisco IOS versions 12.4 through 15.6, stemming from improper parsing of crafted Common Industrial Protocol (CIP) packets. An unauthenticated, remote attacker can exploit this by sending specially crafted CIP packets, causing the affected device to reload. This vulnerability has a CVSS score of 7.5 (HIGH) due to its network-based attack vector, low attack complexity, and high impact on availability. Notably, this CVE is listed in CISA's KEV catalog, indicating active exploitation, despite a lack of public exploit code or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 12.4, <= 15.6CPE matchmatch criteria | cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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