CVE-2021-36716 is a Regular Expression Denial of Service (ReDoS) vulnerability affecting the Segment is-email package for Node.js, specifically versions prior to 1.0.1. An unauthenticated attacker can exploit this by providing specially crafted input to the isEmail() function, leading to excessive CPU consumption and a denial of service. With a CVSS score of 7.5 (HIGH), this vulnerability is easily exploitable over the network with low attack complexity, impacting availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.0.1CPE matchmatch criteria | cpe:2.3:a:segment:is-email:*:*:*:*:*: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.