CVE-2021-33580 is a Regular Expression Denial of Service (ReDoS) vulnerability affecting Apache Roller versions prior to 6.0.2. Attackers can exploit this by crafting malicious Referer headers, request URLs, or query strings, leading to catastrophic backtracking in the server's regex engine. This high-severity vulnerability (CVSS 7.5) requires no user interaction and can cause a denial of service. While no public exploits or active exploitation have been observed, and community discussion is minimal, the potential for service disruption warrants attention.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 6.0.2CPE matchmatch criteria | cpe:2.3:a:apache:roller:*:*:*:*:*:*:*:* |
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.
Remediation records are not available for this CVE.