CVE-2021-37624 describes an authentication bypass vulnerability in FreeSWITCH versions prior to 1.10.7, where SIP MESSAGE requests are not authenticated by default. This allows unauthenticated attackers to send spoofed messages to registered SIP user agents, leading to spam and enabling social engineering or phishing attacks. With a CVSS score of 7.5 (HIGH), the vulnerability is easily exploitable over the network with low attack complexity, resulting in high integrity impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.10.7CPE matchmatch criteria | cpe:2.3:a:freeswitch:freeswitch:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
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.
Remediation records are not available for this CVE.