CVE-2023-27599 is a Denial of Service vulnerability affecting OpenSIPS versions prior to 3.1.7 and 3.2.4. An attacker can crash the OpenSIPS server by sending a SIP message with a malformed "To" header, triggering an abort() call within the append_hf function. This vulnerability has a CVSS score of 7.5 (High), indicating it can be exploited remotely with low complexity and no user interaction, leading to a complete loss of availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 3.1.7CPE matchmatch criteria | cpe:2.3:a:opensips:opensips:*:*:*:*:*:*:*:* | ||
>= 3.2.0, < 3.2.4CPE matchmatch criteria | cpe:2.3:a:opensips:opensips:*:*:*:*:*:*:*:* |
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
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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.