CVE-2020-3283 is a high-severity denial-of-service vulnerability affecting Cisco Firepower Threat Defense (FTD) Software on Firepower 1000 Series platforms. An unauthenticated, remote attacker can exploit a communication error in the SSL/TLS handler by sending a crafted message, leading to a buffer underrun and device reload. With a CVSS score of 8.6, this vulnerability is easily exploitable over the network with low attack complexity, resulting in a complete loss of availability. There is no known public exploit code or active exploitation, though it has received some community discussion and media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 6.4.0, < 6.4.0.9CPE matchmatch criteria | cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:* | ||
9.12\(2.12\)CPE matchmatch criteria | cpe:2.3:o:cisco:asa_5505_firmware:9.12\(2.12\):*:*:*:*:*:*:* | ||
9.13\(0.33\)CPE matchmatch criteria | cpe:2.3:o:cisco:asa_5505_firmware:9.13\(0.33\):*:*:*:*:*:*:* | ||
9.12\(2.12\)CPE matchmatch criteria | cpe:2.3:o:cisco:asa_5510_firmware:9.12\(2.12\):*:*:*:*:*:*:* | ||
9.13\(0.33\)CPE matchmatch criteria | cpe:2.3:o:cisco:asa_5510_firmware:9.13\(0.33\):*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/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, 0.1 Mastodon, and 0.4 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.