CVE-2018-0455 is a denial-of-service vulnerability in the SMBv2/v3 protocol implementation of Cisco Firepower System Software. An unauthenticated, remote attacker can exploit incorrect SMB header validation by sending a crafted SMB file transfer, leading to excessive memory consumption and preventing the device from forwarding traffic, potentially requiring a manual reload. With a CVSS score of 7.5 (HIGH), this vulnerability has a network attack vector and low attack complexity, resulting in high availability impact. There is currently no public exploit code available (Metasploit, Nuclei, ExploitDB), and it is not listed in the KEV catalog, indicating no active exploitation. Community discussion and media coverage for this CVE are minimal.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
6.0CPE matchmatch criteria | cpe:2.3:a:cisco:firepower_system_software:6.0:*:*:*:*:*:*:* | ||
6.0.1CPE matchmatch criteria | cpe:2.3:a:cisco:firepower_system_software:6.0.1:*:*:*:*:*:*:* | ||
6.1.0CPE matchmatch criteria | cpe:2.3:a:cisco:firepower_system_software:6.1.0:*:*:*:*:*:*:* | ||
6.2.0CPE matchmatch criteria | cpe:2.3:a:cisco:firepower_system_software:6.2.0:*:*:*:*:*:*:* | ||
6.2.0.2CPE matchmatch criteria | cpe:2.3:a:cisco:firepower_system_software:6.2.0.2:*:*:*:*:*:*:* |
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.