CVE-2020-27636 describes a critical vulnerability in Microchip MPLAB Net 3.6.1, where improperly randomized TCP Initial Sequence Numbers (ISNs) can be exploited. This vulnerability carries a CVSS score of 9.1 (CRITICAL), indicating a high-impact network-based attack with low complexity, allowing for potential full compromise of confidentiality and integrity without user interaction. While there is no evidence of active exploitation (KEV) or public exploit code (Metasploit, ExploitDB), the vulnerability has garnered significant community discussion and media coverage, suggesting awareness among security researchers.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
3.6.1CPE matchmatch criteria | cpe:2.3:a:microchip:mplab_network_creator:3.6.1:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
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.
Remediation records are not available for this CVE.