Vulnerability Database

318,275

Total vulnerabilities in the database

CVE-2020-27507

The Kamailio SIP before 5.5.0 server mishandles INVITE requests with duplicated fields and overlength tag, leading to a buffer overflow that crashes the server or possibly have unspecified other impact.

  • Published: Mar 15, 2023
  • Updated: Nov 16, 2025
  • CVE: CVE-2020-27507
  • Severity: Critical
  • Exploit:

CVSS v3:

  • Severity: Critical
  • Score: 9.8
  • AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWEs:

Software From Fixed in
kamailio / kamailio - 5.5.0