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2022-09-27
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CVE-2021-27853
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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.
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Catalyst_6503\-E_firmware, Catalyst_6504\-E_firmware, Catalyst_6506\-E_firmware, Catalyst_6509\-E_firmware, Catalyst_6509\-Neb\-A_firmware, Catalyst_6509\-V\-E_firmware, Catalyst_6513\-E_firmware, Catalyst_6800ia_firmware, Catalyst_6807\-Xl_firmware, Catalyst_6840\-X_firmware, Catalyst_6880\-X_firmware, Catalyst_c6816\-X\-Le_firmware, Catalyst_c6824\-X\-Le\-40g_firmware, Catalyst_c6832\-X\-Le_firmware, Catalyst_c6840\-X\-Le\-40g_firmware, Ios_xe, Meraki_ms210_firmware, Meraki_ms225_firmware, Meraki_ms250_firmware, Meraki_ms350_firmware, Meraki_ms355_firmware, Meraki_ms390_firmware, Meraki_ms410_firmware, Meraki_ms420_firmware, Meraki_ms425_firmware, Meraki_ms450_firmware, N9k\-C9316d\-Gx_firmware, N9k\-C9332d\-Gx2b_firmware, N9k\-C9348d\-Gx2a_firmware, N9k\-C93600cd\-Gx_firmware, N9k\-C9364d\-Gx2a_firmware, N9k\-X9432c\-S_firmware, N9k\-X9464px_firmware, N9k\-X9464tx2_firmware, N9k\-X9564px_firmware, N9k\-X9564tx_firmware, N9k\-X9636c\-R_firmware, N9k\-X9636c\-Rx_firmware, N9k\-X97160yc\-Ex_firmware, N9k\-X9732c\-Ex_firmware, N9k\-X9732c\-Fx_firmware, N9k\-X9736c\-Ex_firmware, N9k\-X9736c\-Fx_firmware, N9k\-X9788tc\-Fx_firmware, Nexus_92160yc\-X_firmware, Nexus_92300yc_firmware, Nexus_92304qc_firmware, Nexus_92348gc\-X_firmware, Nexus_9236c_firmware, Nexus_9272q_firmware, Nexus_93108tc\-Ex_firmware, Nexus_93108tc\-Fx3p_firmware, Nexus_93108tc\-Fx_firmware, Nexus_93120tx_firmware, Nexus_93180yc\-Ex_firmware, Nexus_93180yc\-Fx3_firmware, Nexus_93180yc\-Fx_firmware, Nexus_93216tc\-Fx2_firmware, Nexus_93240yc\-Fx2_firmware, Nexus_9332c_firmware, Nexus_93360yc\-Fx2_firmware, Nexus_9336c\-Fx2\-E_firmware, Nexus_9336c\-Fx2_firmware, Nexus_9348gc\-Fxp_firmware, Nexus_9364c\-Gx_firmware, Nexus_9364c_firmware, Nexus_9432pq_firmware, Nexus_9504_firmware, Nexus_9508_firmware, Nexus_9516_firmware, Nexus_9536pq_firmware, Nexus_9636pq_firmware, Nexus_9716d\-Gx_firmware, Nexus_9736pq_firmware, Nexus_9800_firmware, Nexus_x9636q\-R_firmware, Sf500\-18p_firmware, Sf500\-24_firmware, Sf500\-24p_firmware, Sf500\-48_firmware, Sf500\-48mp_firmware, Sf\-500\-24mp_firmware, Sg500\-28_firmware, Sg500\-28mpp_firmware, Sg500\-28p_firmware, Sg500\-52_firmware, Sg500\-52mp_firmware, Sg500\-52p_firmware, Sg500x\-24_firmware, Sg500x\-24mpp_firmware, Sg500x\-24p_firmware, Sg500x\-48_firmware, Sg500x\-48mpp_firmware, Sg500x\-48p_firmware, Ieee_802\.2, P802\.1q
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4.7
|
|
|
|
2022-09-27
|
CVE-2021-27854
|
Layer 2 network filtering capabilities such as IPv6 RA guard can be bypassed using combinations of VLAN 0 headers, LLC/SNAP headers, and converting frames from Ethernet to Wifi and its reverse.
|
Ieee_802\.2, P802\.1q
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4.7
|
|
|
|
2022-09-27
|
CVE-2021-27861
|
Layer 2 network filtering capabilities such as IPv6 RA guard can be bypassed using LLC/SNAP headers with invalid length (and optionally VLAN0 headers)
|
Ieee_802\.2, P802\.1q
|
4.7
|
|
|
|
2022-09-27
|
CVE-2021-27862
|
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).
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Ieee_802\.2, P802\.1q
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4.7
|
|
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