CVE-2017-6738 describes multiple buffer overflow vulnerabilities within the Simple Network Management Protocol (SNMP) subsystem of Cisco IOS and IOS XE Software. An authenticated, remote attacker can exploit these flaws by sending a crafted SNMP packet, potentially leading to arbitrary code execution or system reloads on affected devices. This vulnerability carries a high CVSS score of 8.8, indicating a network-based attack with low complexity and high impact on confidentiality, integrity, and availability. It is actively exploited, listed in CISA's KEV catalog, and has garnered significant community and media attention, despite a lack of public exploit code in Metasploit or ExploitDB.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 12.0, <= 12.4CPE matchmatch criteria | cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:* | ||
>= 15.0, <= 15.6CPE matchmatch criteria | cpe:2.3:o:cisco:ios:*:*:*:*:*:*:*:* | ||
>= 2.2.0, <= 3.17.0CPE matchmatch criteria | cpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.