CVE-2021-34858 is a high-severity vulnerability affecting TeamViewer, allowing remote attackers to execute arbitrary code. It stems from improper validation of user-supplied data within TVS file parsing, leading to a read past the end of an allocated structure. Exploitation requires user interaction, such as visiting a malicious page or opening a malicious file. While the CVSS score is 7.8, there is currently no public exploit code, active exploitation, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 15.21.2CPE matchmatch criteria | cpe:2.3:a:teamviewer:teamviewer:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 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.