CVE-2021-43610 is a high-severity vulnerability affecting Belledonne Belle-sip versions prior to 5.0.20, including applications like Linphone. It allows an unauthenticated attacker to crash affected applications by sending a specially crafted SIP message with an invalid From header. The vulnerability has a CVSS score of 7.5, indicating a high impact on availability with no confidentiality or integrity impact. There is currently no public exploit code available, no evidence of active exploitation, and minimal community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 5.0.20CPE matchmatch criteria | cpe:2.3:a:linphone:belle-sip:*:*:*:*:*:*:*:* |
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.