CVE-2017-6739 is a critical buffer overflow vulnerability in the SNMP implementation of Cisco IOS and IOS XE, affecting all SNMP versions. An authenticated, remote attacker can exploit this by sending a crafted SNMP packet, requiring knowledge of the SNMP community string or user credentials. This vulnerability carries a CVSS score of 8.8 (HIGH) due to its network-based attack vector, low complexity, and potential for full system compromise, including arbitrary code execution or denial of service. 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 |
|---|---|---|---|
>= 12.0, <= 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.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.