CVE-2021-3911 describes a denial-of-service vulnerability in OctoRPKI, affecting Cloudflare and Debian versions, where the software crashes if a Route Origin Authorization (ROA) contains an excessive number of bits for an IP address. With a CVSS score of 6.5 (Medium), this vulnerability can be triggered remotely with low attack complexity, leading to high availability impact without requiring user interaction or privileges. There is currently no evidence of active exploitation, no public exploit code available in Metasploit or ExploitDB, and minimal community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.3.0CPE matchmatch criteria | cpe:2.3:a:cloudflare:octorpki:*:*:*:*:*:*:*:* | ||
11.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* | ||
< 1.4.0CPE match | cpe:2.3:a:cloudflare:octorpki:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/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 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.