CVE-2020-27507

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Mar 15, 2023
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2020-27507: Critical severity, CVSS 9.8 | Vulnix