CVE-2023-20200 is a denial-of-service vulnerability in the SNMP service of Cisco FXOS Software for Firepower 4100/9300 Series and Cisco UCS 6300 Series Fabric Interconnects. An authenticated, remote attacker can exploit this by sending a crafted SNMP request, causing the device to reload. This vulnerability has a CVSS score of 6.3 (Medium), indicating a network attack vector with high attack complexity, requiring prior authentication (SNMP community string or valid credentials), and resulting in high availability impact. There is no evidence of active exploitation, public exploit code, or significant community discussion, though it has received limited media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:cisco:firepower_9300_firmware:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:cisco:firepower_4143_firmware:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:cisco:firepower_4112_firmware:-:*:*:*:*:*:*:* | ||
>= 4.1, < 4.1\(3l\)CPE matchmatch criteria | cpe:2.3:o:cisco:ucs_6324_fabric_interconnect_firmware:*:*:*:*:*:*:*:* | ||
>= 4.2, < 4.2\(3d\)CPE matchmatch criteria | cpe:2.3:o:cisco:ucs_6324_fabric_interconnect_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/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, 0.0 Mastodon, and 0.1 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.