First published: Tue Sep 27 2022(Updated: )
Layer 2 network filtering capabilities such as IPv6 RA guard or ARP inspection can be bypassed using combinations of VLAN 0 headers and LLC/SNAP headers.
Credit: cret@cert.org
Affected Software | Affected Version | How to fix |
---|---|---|
Ieee Ieee 802.2 | <=802.2h-1997 | |
Ietf P802.1q | <=d1.0 | |
Cisco Catalyst 6503-e Firmware | =15.5\(01.01.85\)sy07 | |
Cisco Catalyst 6503-e | ||
Cisco Catalyst 6504-e Firmware | =15.5\(01.01.85\)sy07 | |
Cisco Catalyst 6504-e | ||
Cisco Catalyst 6506-e Firmware | =15.5\(01.01.85\)sy07 | |
Cisco Catalyst 6506-e | ||
Cisco Catalyst 6509-e Firmware | =15.5\(01.01.85\)sy07 | |
Cisco Catalyst 6509-e | ||
Cisco Catalyst 6509-neb-a Firmware | =15.5\(01.01.85\)sy07 | |
Cisco Catalyst 6509-neb-a | ||
Cisco Catalyst 6509-v-e Firmware | =15.5\(01.01.85\)sy07 | |
Cisco Catalyst 6509-v-e | ||
Cisco Catalyst 6513-e Firmware | =15.5\(01.01.85\)sy07 | |
Cisco Catalyst 6513-e | ||
Cisco Catalyst 6807-xl Firmware | =15.5\(01.01.85\)sy07 | |
Cisco Catalyst 6807-xl | ||
Cisco Catalyst 6840-x Firmware | =15.5\(01.01.85\)sy07 | |
Cisco Catalyst 6840-x | ||
Cisco Catalyst 6880-x Firmware | =15.5\(01.01.85\)sy07 | |
Cisco Catalyst 6880-x | ||
Cisco Catalyst C6816-x-le Firmware | =15.5\(01.01.85\)sy07 | |
Cisco Catalyst C6816-x-le | ||
Cisco Catalyst C6824-x-le-40g Firmware | =15.5\(01.01.85\)sy07 | |
Cisco Catalyst C6824-x-le-40g | ||
Cisco Catalyst C6832-x-le Firmware | =15.5\(01.01.85\)sy07 | |
Cisco Catalyst C6832-x-le | ||
Cisco Catalyst C6840-x-le-40g Firmware | =15.5\(01.01.85\)sy07 | |
Cisco Catalyst C6840-x-le-40g | ||
Cisco Catalyst 6800ia Firmware | =15.5\(01.01.85\)sy07 | |
Cisco Catalyst 6800ia | ||
Cisco IOS XE | =17.3.3 | |
Cisco IOS XE | =15.2\(07\)e02 | |
Cisco IOS XE | =15.2\(07\)e03 | |
Cisco IOS XE | =17.4.1 | |
Cisco IOS XE | =17.6.1 | |
Cisco Catalyst 3650-12x48fd-e | ||
Cisco Catalyst 3650-12x48fd-l | ||
Cisco Catalyst 3650-12x48fd-s | ||
Cisco Catalyst 3650-12x48uq-e | ||
Cisco Catalyst 3650-12x48uq-l | ||
Cisco Catalyst 3650-12x48uq-s | ||
Cisco Catalyst 3650-12x48ur-e | ||
Cisco Catalyst 3650-12x48ur-l | ||
Cisco Catalyst 3650-12x48ur-s | ||
Cisco Catalyst 3650-12x48uz-e | ||
Cisco Catalyst 3650-12x48uz-l | ||
Cisco Catalyst 3650-12x48uz-s | ||
Cisco Catalyst 3650-24pd-e | ||
Cisco Catalyst 3650-24pd-l | ||
Cisco Catalyst 3650-24pd-s | ||
Cisco Catalyst 3650-24pdm-e | ||
Cisco Catalyst 3650-24pdm-l | ||
Cisco Catalyst 3650-24pdm-s | ||
Cisco Catalyst 3650-24ps-e | ||
Cisco Catalyst 3650-24ps-l | ||
Cisco Catalyst 3650-24ps-s | ||
Cisco Catalyst 3650-24td-e | ||
Cisco Catalyst 3650-24td-l | ||
Cisco Catalyst 3650-24td-s | ||
Cisco Catalyst 3650-24ts-e | ||
Cisco Catalyst 3650-24ts-l | ||
Cisco Catalyst 3650-24ts-s | ||
Cisco Catalyst 3650-48fd-e | ||
Cisco Catalyst 3650-48fd-l | ||
Cisco Catalyst 3650-48fd-s | ||
Cisco Catalyst 3650-48fq-e | ||
Cisco Catalyst 3650-48fq-l | ||
Cisco Catalyst 3650-48fq-s | ||
Cisco Catalyst 3650-48fqm-e | ||
Cisco Catalyst 3650-48fqm-l | ||
Cisco Catalyst 3650-48fqm-s | ||
Cisco Catalyst 3650-48fs-e | ||
Cisco Catalyst 3650-48fs-l | ||
Cisco Catalyst 3650-48fs-s | ||
Cisco Catalyst 3650-48pd-e | ||
Cisco Catalyst 3650-48pd-l | ||
Cisco Catalyst 3650-48pd-s | ||
Cisco Catalyst 3650-48pq-e | ||
Cisco Catalyst 3650-48pq-l | ||
Cisco Catalyst 3650-48pq-s | ||
Cisco Catalyst 3650-48ps-e | ||
Cisco Catalyst 3650-48ps-l | ||
Cisco Catalyst 3650-48ps-s | ||
Cisco Catalyst 3650-48td-e | ||
Cisco Catalyst 3650-48td-l | ||
Cisco Catalyst 3650-48td-s | ||
Cisco Catalyst 3650-48tq-e | ||
Cisco Catalyst 3650-48tq-l | ||
Cisco Catalyst 3650-48tq-s | ||
Cisco Catalyst 3650-48ts-e | ||
Cisco Catalyst 3650-48ts-l | ||
Cisco Catalyst 3650-48ts-s | ||
Cisco Catalyst 3650-8x24pd-e | ||
Cisco Catalyst 3650-8x24pd-l | ||
Cisco Catalyst 3650-8x24pd-s | ||
Cisco Catalyst 3650-8x24uq-e | ||
Cisco Catalyst 3650-8x24uq-l | ||
Cisco Catalyst 3650-8x24uq-s | ||
Cisco Catalyst 3850-12s-e | ||
Cisco Catalyst 3850-12s-s | ||
Cisco Catalyst 3850-12xs-e | ||
Cisco Catalyst 3850-12xs-s | ||
Cisco Catalyst 3850-16xs-e | ||
Cisco Catalyst 3850-16xs-s | ||
Cisco Catalyst 3850-24p-e | ||
Cisco Catalyst 3850-24p-l | ||
Cisco Catalyst 3850-24pw-s | ||
Cisco Catalyst 3850-24s-e | ||
Cisco Catalyst 3850-24s-s | ||
Cisco Catalyst 3850-24t-e | ||
Cisco Catalyst 3850-24t-l | ||
Cisco Catalyst 3850-24t-s | ||
Cisco Catalyst 3850-24u-e | ||
Cisco Catalyst 3850-24u-l | ||
Cisco Catalyst 3850-24u-s | ||
Cisco Catalyst 3850-24xs-e | ||
Cisco Catalyst 3850-24xs-s | ||
Cisco Catalyst 3850-24xu-e | ||
Cisco Catalyst 3850-24xu-l | ||
Cisco Catalyst 3850-24xu-s | ||
Cisco Catalyst 3850-32xs-e | ||
Cisco Catalyst 3850-32xs-s | ||
Cisco Catalyst 3850-48f-e | ||
Cisco Catalyst 3850-48f-l | ||
Cisco Catalyst 3850-48f-s | ||
Cisco Catalyst 3850-48p-e | ||
Cisco Catalyst 3850-48p-l | ||
Cisco Catalyst 3850-48p-s | ||
Cisco Catalyst 3850-48pw-s | ||
Cisco Catalyst 3850-48t-e | ||
Cisco Catalyst 3850-48t-l | ||
Cisco Catalyst 3850-48t-s | ||
Cisco Catalyst 3850-48u-e | ||
Cisco Catalyst 3850-48u-l | ||
Cisco Catalyst 3850-48u-s | ||
Cisco Catalyst 3850-48xs-e | ||
Cisco Catalyst 3850-48xs-f-e | ||
Cisco Catalyst 3850-48xs-f-s | ||
Cisco Catalyst 3850-48xs-s | ||
Cisco Catalyst 9200 | ||
Cisco Catalyst 9200cx | ||
Cisco Catalyst 9200l | ||
Cisco Catalyst 9300 | ||
Cisco Catalyst 9300l | ||
Cisco Catalyst 9300lm | ||
Cisco Catalyst 9300x | ||
Cisco Catalyst 9400 | ||
Cisco Catalyst 9500 | ||
Cisco Catalyst 9500h | ||
Cisco Catalyst 9600 | ||
Cisco Catalyst 9600x | ||
Cisco Catalyst C3850-12x48u-e | ||
Cisco Catalyst C3850-12x48u-l | ||
Cisco Catalyst C3850-12x48u-s | ||
Cisco Meraki Ms390 Firmware | ||
Cisco Meraki Ms390 | ||
Cisco Meraki Ms210 Firmware | ||
Cisco Meraki Ms210 | ||
Cisco Meraki Ms225 Firmware | ||
Cisco Meraki Ms225 | ||
Cisco Meraki Ms250 Firmware | ||
Cisco Meraki Ms250 | ||
Cisco Meraki Ms350 Firmware | ||
Cisco Meraki Ms350 | ||
Cisco Meraki Ms355 Firmware | ||
Cisco Meraki Ms355 | ||
Cisco Meraki Ms410 Firmware | ||
Cisco Meraki Ms410 | ||
Cisco Meraki Ms420 Firmware | ||
Cisco Meraki Ms420 | ||
Cisco Meraki Ms425 Firmware | ||
Cisco Meraki Ms425 | ||
Cisco Meraki Ms450 Firmware | ||
Cisco Meraki Ms450 | ||
Cisco Nexus 93180yc-ex Firmware | =9.3\(5\) | |
Cisco Nexus 93180yc-ex | ||
Cisco Nexus 93180yc-fx Firmware | =9.3\(5\) | |
Cisco Nexus 93180yc-fx | ||
Cisco Nexus 93180yc-fx3 Firmware | =9.3\(5\) | |
Cisco Nexus 93180yc-fx3 | ||
Cisco Nexus 93240yc-fx2 Firmware | =9.3\(5\) | |
Cisco Nexus 93240yc-fx2 | ||
Cisco Nexus 93360yc-fx2 Firmware | =9.3\(5\) | |
Cisco Nexus 93360yc-fx2 | ||
Cisco Nexus 93120tx Firmware | =9.3\(5\) | |
Cisco Nexus 93120tx | ||
Cisco Nexus 93108tc-ex Firmware | =9.3\(5\) | |
Cisco Nexus 93108tc-ex | ||
Cisco Nexus 9348gc-fxp Firmware | =9.3\(5\) | |
Cisco Nexus 9348gc-fxp | ||
Cisco Nexus 93108tc-fx Firmware | =9.3\(5\) | |
Cisco Nexus 93108tc-fx | ||
Cisco Nexus 93108tc-fx3p Firmware | =9.3\(5\) | |
Cisco Nexus 93108tc-fx3p | ||
Cisco Nexus 93216tc-fx2 Firmware | =9.3\(5\) | |
Cisco Nexus 93216tc-fx2 | ||
Cisco N9k-c9316d-gx Firmware | =9.3\(5\) | |
Cisco N9k-c9316d-gx | ||
Cisco N9k-c93600cd-gx Firmware | =9.3\(5\) | |
Cisco N9k-c93600cd-gx | ||
Cisco N9k-c9332d-gx2b Firmware | =9.3\(5\) | |
Cisco N9k-c9332d-gx2b | ||
Cisco N9k-c9348d-gx2a Firmware | =9.3\(5\) | |
Cisco N9k-c9348d-gx2a | ||
Cisco N9k-c9364d-gx2a Firmware | =9.3\(5\) | |
Cisco N9k-c9364d-gx2a | ||
Cisco N9k-x97160yc-ex Firmware | =9.3\(5\) | |
Cisco N9k-x97160yc-ex | ||
Cisco N9k-x9788tc-fx Firmware | =9.3\(5\) | |
Cisco N9k-x9788tc-fx | ||
Cisco N9k-x9564px Firmware | =9.3\(5\) | |
Cisco N9k-x9564px | ||
Cisco N9k-x9464px Firmware | =9.3\(5\) | |
Cisco N9k-x9464px | ||
Cisco N9k-x9564tx Firmware | =9.3\(5\) | |
Cisco N9k-x9564tx | ||
Cisco N9k-x9464tx2 Firmware | =9.3\(5\) | |
Cisco N9k-x9464tx2 | ||
Cisco Nexus 9636pq Firmware | =9.3\(5\) | |
Cisco Nexus 9636pq | ||
Cisco Nexus X9636q-r Firmware | =9.3\(5\) | |
Cisco Nexus X9636q-r | ||
Cisco Nexus 9536pq Firmware | =9.3\(5\) | |
Cisco Nexus 9536pq | ||
Cisco Nexus 9432pq Firmware | =9.3\(5\) | |
Cisco Nexus 9432pq | ||
Cisco Nexus 9736pq Firmware | =9.3\(5\) | |
Cisco Nexus 9736pq | ||
Cisco N9k-x9736c-fx Firmware | =9.3\(5\) | |
Cisco N9k-x9736c-fx | ||
Cisco N9k-x9732c-ex Firmware | =9.3\(5\) | |
Cisco N9k-x9732c-ex | ||
Cisco N9k-x9732c-fx Firmware | =9.3\(5\) | |
Cisco N9k-x9732c-fx | ||
Cisco N9k-x9736c-ex Firmware | =9.3\(5\) | |
Cisco N9k-x9736c-ex | ||
Cisco N9k-x9636c-rx Firmware | =9.3\(5\) | |
Cisco N9k-x9636c-rx | ||
Cisco N9k-x9636c-r Firmware | =9.3\(5\) | |
Cisco N9k-x9636c-r | ||
Cisco N9k-x9432c-s Firmware | =9.3\(5\) | |
Cisco N9k-x9432c-s | ||
Cisco Nexus 9716d-gx Firmware | =9.3\(5\) | |
Cisco Nexus 9716d-gx | ||
Cisco Nexus 9504 Firmware | =9.3\(5\) | |
Cisco Nexus 9504 | ||
Cisco Nexus 9508 Firmware | =9.3\(5\) | |
Cisco Nexus 9508 | ||
Cisco Nexus 9516 Firmware | =9.3\(5\) | |
Cisco Nexus 9516 | ||
Cisco Nexus 92160yc-x Firmware | =9.3\(5\) | |
Cisco Nexus 92160yc-x | ||
Cisco Nexus 9272q Firmware | =9.3\(5\) | |
Cisco Nexus 9272q | ||
Cisco Nexus 92304qc Firmware | =9.3\(5\) | |
Cisco Nexus 92304qc | ||
Cisco Nexus 9236c Firmware | =9.3\(5\) | |
Cisco Nexus 9236c | ||
Cisco Nexus 92300yc Firmware | =9.3\(5\) | |
Cisco Nexus 92300yc | ||
Cisco Nexus 92348gc-x Firmware | =9.3\(5\) | |
Cisco Nexus 92348gc-x | ||
Cisco Nexus 9364c Firmware | =9.3\(5\) | |
Cisco Nexus 9364c | ||
Cisco Nexus 9336c-fx2 Firmware | =9.3\(5\) | |
Cisco Nexus 9336c-fx2 | ||
Cisco Nexus 9336c-fx2-e Firmware | =9.3\(5\) | |
Cisco Nexus 9336c-fx2-e | ||
Cisco Nexus 9332c Firmware | =9.3\(5\) | |
Cisco Nexus 9332c | ||
Cisco Nexus 9364c-gx Firmware | =9.3\(5\) | |
Cisco Nexus 9364c-gx | ||
Cisco Nexus 9800 Firmware | =9.3\(5\) | |
Cisco Nexus 9800 | ||
Cisco Sf500-24 Firmware | =3.0.0.61 | |
Cisco Sf500-24 | ||
Cisco Sf-500-24mp Firmware | =3.0.0.61 | |
Cisco Sf-500-24mp | ||
Cisco Sf500-24p Firmware | =3.0.0.61 | |
Cisco Sf500-24p | ||
Cisco Sf500-48 Firmware | =3.0.0.61 | |
Cisco Sf500-48 | ||
Cisco Sf500-48mp Firmware | =3.0.0.61 | |
Cisco Sf500-48mp | ||
Cisco Sf500-18p Firmware | =3.0.0.61 | |
Cisco Sf500-18p | ||
Cisco Sg500-28 Firmware | =3.0.0.61 | |
Cisco Sg500-28 | ||
Cisco Sg500-28mpp Firmware | =3.0.0.61 | |
Cisco Sg500-28mpp | ||
Cisco Sg500-28p Firmware | =3.0.0.61 | |
Cisco Sg500-28p | ||
Cisco Sg500-52 Firmware | =3.0.0.61 | |
Cisco Sg500-52 | ||
Cisco Sg500-52mp Firmware | =3.0.0.61 | |
Cisco Sg500-52mp | ||
Cisco Sg500-52p Firmware | =3.0.0.61 | |
Cisco Sg500-52p | ||
Cisco Sg500x-24 Firmware | =3.0.0.61 | |
Cisco Sg500x-24 | ||
Cisco Sg500x-24mpp Firmware | =3.0.0.61 | |
Cisco Sg500x-24mpp | ||
Cisco Sg500x-24p Firmware | =3.0.0.61 | |
Cisco Sg500x-24p | ||
Cisco Sg500x-48 Firmware | =3.0.0.61 | |
Cisco Sg500x-48 | ||
Cisco Sg500x-48mpp Firmware | =3.0.0.61 | |
Cisco Sg500x-48mpp | ||
Cisco Sg500x-48p Firmware | =3.0.0.61 | |
Cisco Sg500x-48p |
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