CVE-2020-7662 describes a Denial of Service (DoS) vulnerability in the websocket-extensions npm module prior to version 0.1.4. An attacker can exploit a Regex Backtracking issue in the extension parser by sending a specially crafted Sec-WebSocket-Extensions header, leading to a ReDoS attack on single-threaded servers. This vulnerability is rated as High severity (CVSS 7.5), indicating it can be exploited remotely with low complexity and without user interaction, resulting in a complete loss of availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.1.4CPE matchmatch criteria | cpe:2.3:a:websocket-extensions_project:websocket-extensions:*:*:*:*:*:node.js:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/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.