CVE-2020-1763

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CVSS 3.1

7.5 high

EPSS

3%p88

Published

May 12, 2020 (May 12, 2020)

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.

Vendors: libreswan
Products: libreswan
Weakness: CWE-125
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (3.3%)

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