CVE-2022-0217 is a high-severity vulnerability affecting Prosody, where an internal XML parsing library based on libexpat improperly handles XML features. This allows for the expansion of recursive entity references (CWE-776) and, depending on the libexpat version, potential XML External Entity (XXE) injections (CWE-611). The vulnerability has a CVSS score of 7.5, indicating a high impact on availability (denial of service) with low attack complexity and no user interaction required. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered some community discussion and media coverage, including a fix released in Prosody 0.11.12.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.11.12CPE matchmatch criteria | cpe:2.3:a:prosody:prosody:*:*:*:*:*:*:*:* |
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.
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.