CVE-2020-5136 is a buffer overflow vulnerability in SonicOS that allows an authenticated attacker to trigger a Denial of Service (DoS) in the SSL-VPN and virtual assist portal, leading to a firewall crash. This affects various versions of SonicOS Gen 5, Gen 6, SonicOSv, and Gen 7. The vulnerability has a CVSS score of 6.5 (Medium), indicating it can be exploited remotely with low complexity by an authenticated user, resulting in high availability impact. There is no evidence of active exploitation, nor are there public exploit codes available in Metasploit or ExploitDB, though it has seen some community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 5.9.1.13CPE matchmatch criteria | cpe:2.3:o:sonicwall:sonicos:*:*:*:*:*:*:*:* | ||
>= 6.0.0.0, <= 6.0.5.3CPE matchmatch criteria | cpe:2.3:o:sonicwall:sonicos:*:*:*:*:*:*:*:* | ||
>= 6.5.0.0, <= 6.5.1.11CPE matchmatch criteria | cpe:2.3:o:sonicwall:sonicos:*:*:*:*:*:*:*:* | ||
>= 6.5.4.0, <= 6.5.4.7CPE matchmatch criteria | cpe:2.3:o:sonicwall:sonicos:*:*:*:*:*:*:*:* | ||
7.0.0.0CPE matchmatch criteria | cpe:2.3:o:sonicwall:sonicos:7.0.0.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/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, 0.0 Mastodon, and 0.1 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.