Lucene search
Redhat.comRH:CVE-2021-27862HistoryOct 02, 2022 - 4:19 p.m.
CVE-2021-27862
2022-10-0216:19:07
redhat.com
access.redhat.com
82
layer 2
network filtering
ipv6
ra guard
llc/snap headers
ethernet
wifi frame
vlan0
CVSS3
4.7
Attack Vector
ADJACENT
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
EPSS
0.001
Percentile
32.1%
Layer 2 network filtering capabilities such as IPv6 RA guard can be bypassed using LLC/SNAP headers with invalid length and Ethernet to Wifi frame conversion (and optionally VLAN0 headers).
Related
cvelist
cvelist
cve
cve
CVE-2021-27862
2022-09-27 19:15:09
prion
prion
Design/Logic Flaw
2022-09-27 19:15:00
nvd
nvd
CVE-2021-27862
2022-09-27 19:15:09
cisco
cisco
f5
f5
arista
arista
Security Advisory 0080
2022-09-27 00:00:00
cert
cert
CVSS3
4.7
Attack Vector
ADJACENT
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
EPSS
0.001
Percentile
32.1%
Related for RH:CVE-2021-27862