CVE-2019-12656 is a denial-of-service vulnerability affecting the IOx application environment on various Cisco platforms. An unauthenticated, remote attacker can exploit a flaw in the TLS implementation by sending crafted packets to the IOx web server, causing it to cease processing HTTPS requests. This vulnerability has a CVSSv3 score of 7.5 (HIGH), indicating a high impact on availability with low attack complexity and no user interaction required. There is currently no public exploit code available (Metasploit, Nuclei, ExploitDB), nor is it listed in CISA's KEV catalog, suggesting it is not actively exploited. Community discussion and media coverage for this CVE are minimal.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.6.0.0CPE matchmatch criteria | cpe:2.3:o:cisco:ios:1.6.0.0:*:*:*:*:*:*:* | ||
1.8.0CPE matchmatch criteria | cpe:2.3:o:cisco:ios:1.8.0:*:*:*:*:*:*:* | ||
15.2\(6\)eCPE matchmatch criteria | cpe:2.3:o:cisco:industrial_ethernet_2000_series_firmware:15.2\(6\)e:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:cisco:ic3000_firmware:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:cisco:ie_4000_firmware:-:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/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.