CVE-2022-20688 is a medium-severity vulnerability affecting Cisco ATA 190 Series Analog Telephone Adapters. It stems from missing length validation in Cisco Discovery Protocol (CDP) packet header fields, allowing an unauthenticated, remote attacker to execute arbitrary code and cause a denial of service by restarting the CDP service. With a CVSS score of 5.3, the attack vector is network-based with low complexity and no user interaction required. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:cisco:ata_190_firmware:-:*:*:*:on-premises:*:*:* | ||
< 11.2.2CPE matchmatch criteria | cpe:2.3:o:cisco:ata_191_firmware:*:*:*:*:multiplatform:*:*:* | ||
< 12.0.1CPE matchmatch criteria | cpe:2.3:o:cisco:ata_191_firmware:*:*:*:*:on-premises:*:*:* | ||
12.0.1CPE matchmatch criteria | cpe:2.3:o:cisco:ata_191_firmware:12.0.1:-:*:*:on-premises:*:*:* | ||
12.0.1CPE matchmatch criteria | cpe:2.3:o:cisco:ata_191_firmware:12.0.1:sr1:*:*:on-premises:*:*:* |
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:L
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.