CVE-2021-42521 is a NULL pointer dereference vulnerability affecting VTK versions prior to 9.2.5, specifically within the IO/Infovis/vtkXMLTreeReader.cxx component. This flaw arises from the software's failure to validate the return value of the libxml2 API 'xmlDocGetRootElement', potentially leading to application crashes if a NULL value is dereferenced. With a CVSS score of 7.5 (HIGH), this vulnerability is remotely exploitable with low attack complexity, resulting in a high impact on availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 9.0.0CPE matchmatch criteria | cpe:2.3:a:vtk:vtk:*:*:*:*:*:*:*:* |
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.