CVE-2018-0308 is a critical vulnerability in the Cisco Fabric Services component of Cisco FXOS and NX-OS Software, affecting numerous Cisco Nexus, Firepower, MDS, and UCS products. An unauthenticated, remote attacker can exploit insufficient header validation in Cisco Fabric Services packets to trigger a buffer overflow. This allows for arbitrary code execution or a denial of service, with a CVSS score of 9.8 (CRITICAL) due to its network-based attack vector, low complexity, and high impact on confidentiality, integrity, and availability. While no public exploit code (Metasploit, Nuclei, ExploitDB) is available and it's not listed in CISA's KEV catalog, it has garnered some community discussion and media coverage, indicating awareness within the cybersecurity community.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
7.3\(2\)d1\(0.49\)CPE matchmatch criteria | cpe:2.3:o:cisco:nexus_7000_firmware:7.3\(2\)d1\(0.49\):*:*:*:*:*:*:* | ||
8.0\(1\)CPE matchmatch criteria | cpe:2.3:o:cisco:nexus_7000_firmware:8.0\(1\):*:*:*:*:*:*:* | ||
8.1\(0.112\)s0CPE matchmatch criteria | cpe:2.3:o:cisco:nexus_7000_firmware:8.1\(0.112\)s0:*:*:*:*:*:*:* | ||
7.0\(0\)hsk\(0.357\)CPE matchmatch criteria | cpe:2.3:o:cisco:nexus_5000_firmware:7.0\(0\)hsk\(0.357\):*:*:*:*:*:*:* | ||
7.3\(0\)d1\(0.98\)CPE matchmatch criteria | cpe:2.3:o:cisco:nexus_5000_firmware:7.3\(0\)d1\(0.98\):*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.