CVE-2022-22822 is a critical integer overflow vulnerability in the addBinding function of xmlparse.c within Expat (libexpat) versions prior to 2.4.3, affecting products from vendors like Debian, Siemens, and Tenable. With a CVSS score of 9.8, it presents a severe risk due to its network-based attack vector, low attack complexity, and potential for complete compromise of confidentiality, integrity, and availability. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion and media coverage, indicating awareness and potential for future exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2.4.3CPE matchmatch criteria | cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:* | ||
< 8.15.3CPE matchmatch criteria | cpe:2.3:a:tenable:nessus:*:*:*:*:*:*:*:* | ||
>= 10.0.0, < 10.1.1CPE matchmatch criteria | cpe:2.3:a:tenable:nessus:*:*:*:*:*:*:*:* | ||
< 3.1CPE matchmatch criteria | cpe:2.3:a:siemens:sinema_remote_connect_server:*:*:*:*:*:*:*:* | ||
10.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* |
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.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Multiple ctrlX CORE vulnerabilities
Apr 20, 2022Multiple ctrlX CORE vulnerabilities
Apr 20, 2022Multiple ctrlX CORE vulnerabilities
Apr 20, 2022Multiple ctrlX CORE vulnerabilities
Apr 20, 2022Multiple ctrlX CORE vulnerabilities
Apr 20, 2022Multiple ctrlX CORE vulnerabilities
Apr 20, 2022expat: Integer overflow in addBinding in xmlparse.c
Jan 15, 2022addBinding in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.
Jan 11, 2022