CVE-2019-1739 describes a denial-of-service vulnerability affecting Cisco IOS and IOS XE Software, specifically within the Network-Based Application Recognition (NBAR) feature. An unauthenticated, remote attacker can exploit this by sending specially crafted DNS packets, leading to a device reload. This vulnerability has a CVSS score of 7.5 (High), indicating a network-based attack with low complexity and no user interaction required, resulting in a complete loss of availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
15.1\(2\)sg8aCPE matchmatch criteria | cpe:2.3:o:cisco:ios:15.1\(2\)sg8a:*:*:*:*:*:*:* | ||
15.1\(3\)svg3dCPE matchmatch criteria | cpe:2.3:o:cisco:ios:15.1\(3\)svg3d:*:*:*:*:*:*:* | ||
15.1\(3\)svi1bCPE matchmatch criteria | cpe:2.3:o:cisco:ios:15.1\(3\)svi1b:*:*:*:*:*:*:* | ||
15.1\(3\)svk4bCPE matchmatch criteria | cpe:2.3:o:cisco:ios:15.1\(3\)svk4b:*:*:*:*:*:*:* | ||
15.1\(3\)svk4cCPE matchmatch criteria | cpe:2.3:o:cisco:ios:15.1\(3\)svk4c:*:*:*:*:*:*:* |
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
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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.