CVE-2020-12823

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

OpenConnect 8.09 has a buffer overflow, causing a denial of service (application crash) or possibly unspecified other impact, via crafted certificate data to get_cert_name in gnutls.c.

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
May 12, 2020
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2020-12823: Critical severity, CVSS 9.8 | Vulnix