CVE-2021-27861

Medium

Layer 2 network filtering capabilities such as IPv6 RA guard can be bypassed using LLC/SNAP headers with invalid length (and optionally…

certcc·CWE-130·Published 2022-09-27

CVSS

4.7

EPSS

0.01

KEV

Exploits

cve.orgen

150 chars

Layer 2 network filtering capabilities such as IPv6 RA guard can be bypassed using LLC/SNAP headers with invalid length (and optionally VLAN0 headers)

NVDen

150 chars

Layer 2 network filtering capabilities such as IPv6 RA guard can be bypassed using LLC/SNAP headers with invalid length (and optionally VLAN0 headers)

Las capacidades de filtrado de red de capa 2, como la protección RA de IPv6, pueden omitirse usando encabezados LLC/SNAP con una longitud no válida (y, opcionalmente, encabezados VLAN0)

CVSS metrics across sources

Version	Type	Source	Base	Exp	Impact	Vector
3.1	Primary	cve.org	4.7	—	—	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
3.1	Primary	cve.org	4.7	—	—	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
3.1	Primary	NVD	4.7	2.8	1.4	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
3.1	Secondary	NVD	4.7	2.8	1.4	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N