CVE-2021-21811 is a critical memory corruption vulnerability affecting AT&T Labs' Xmill 0.7, specifically within its XML-parsing CreateLabelOrAttrib function. An unauthenticated attacker can exploit this by providing a specially crafted XML file, leading to a heap buffer overflow. With a CVSS score of 9.8, this vulnerability poses a severe risk, allowing for complete compromise of confidentiality, integrity, and availability. Despite its critical severity, there is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
0.7CPE matchmatch criteria | cpe:2.3:a:att:xmill:0.7:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:H/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.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.