CVE-2020-1763

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

An out-of-bounds buffer read flaw was found in the pluto daemon of libreswan from versions 3.27 till 3.31 where, an unauthenticated attacker could use this flaw to crash libreswan by sending specially-crafted IKEv1 Informational Exchange packets. The daemon respawns after the crash.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-125

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-2020-1763: High severity, CVSS 7.5 | Vulnix