CVE-2018-21027 is a critical out-of-memory vulnerability affecting Boa web servers up to version 0.94.14rc21, stemming from improper handling of memory allocation (malloc). With a CVSS score of 9.8, this vulnerability allows unauthenticated remote attackers to trigger a denial of service, and potentially achieve full compromise (confidentiality, integrity, availability) with low attack complexity. Despite its critical severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 0.94.14.21CPE matchmatch criteria | cpe:2.3:a:boa:boa:*:*:*:*:*:*:*:* |
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:H
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.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.