Maple Labs

CVE search · CVE-2021-27853

CVE-2021-27853

medium 4.7

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.

Open in the NVD CVE.org JSON

Details

Status
Modified
Published
Last changed
Source
cret@cert.org
Weakness
CWE-290

Severity

VersionScoreVectorSource
CVSS 3.1 medium 4.7 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N nvd@nist.govPrimary
CVSS 3.1 medium 4.7 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N 134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary

Affected products

Vendor and product from the NVD’s CPE applicability statements. Versions and conditions are on the NVD’s page.

  • ieee · ieee_802.2
  • ietf · p802.1q
  • cisco · catalyst_6503-e_firmware
  • cisco · catalyst_6504-e_firmware
  • cisco · catalyst_6506-e_firmware
  • cisco · catalyst_6509-e_firmware
  • cisco · catalyst_6509-neb-a_firmware
  • cisco · catalyst_6509-v-e_firmware
  • cisco · catalyst_6513-e_firmware
  • cisco · catalyst_6807-xl_firmware
  • cisco · catalyst_6840-x_firmware
  • cisco · catalyst_6880-x_firmware
  • cisco · catalyst_c6816-x-le_firmware
  • cisco · catalyst_c6824-x-le-40g_firmware
  • cisco · catalyst_c6832-x-le_firmware
  • cisco · catalyst_c6840-x-le-40g_firmware
  • cisco · catalyst_6800ia_firmware
  • cisco · ios_xe
  • cisco · meraki_ms390_firmware
  • cisco · meraki_ms210_firmware
  • cisco · meraki_ms225_firmware
  • cisco · meraki_ms250_firmware
  • cisco · meraki_ms350_firmware
  • cisco · meraki_ms355_firmware
  • cisco · meraki_ms410_firmware
  • cisco · meraki_ms420_firmware
  • cisco · meraki_ms425_firmware
  • cisco · meraki_ms450_firmware
  • cisco · nexus_93180yc-ex_firmware
  • cisco · nexus_93180yc-fx_firmware
  • cisco · nexus_93180yc-fx3_firmware
  • cisco · nexus_93240yc-fx2_firmware
  • cisco · nexus_93360yc-fx2_firmware
  • cisco · nexus_93120tx_firmware
  • cisco · nexus_93108tc-ex_firmware
  • cisco · nexus_9348gc-fxp_firmware
  • cisco · nexus_93108tc-fx_firmware
  • cisco · nexus_93108tc-fx3p_firmware
  • cisco · nexus_93216tc-fx2_firmware
  • cisco · n9k-c9316d-gx_firmware
  • cisco · n9k-c93600cd-gx_firmware
  • cisco · n9k-c9332d-gx2b_firmware
  • cisco · n9k-c9348d-gx2a_firmware
  • cisco · n9k-c9364d-gx2a_firmware
  • cisco · n9k-x97160yc-ex_firmware
  • cisco · n9k-x9788tc-fx_firmware
  • cisco · n9k-x9564px_firmware
  • cisco · n9k-x9464px_firmware
  • cisco · n9k-x9564tx_firmware
  • cisco · n9k-x9464tx2_firmware
  • cisco · nexus_9636pq_firmware
  • cisco · nexus_x9636q-r_firmware
  • cisco · nexus_9536pq_firmware
  • cisco · nexus_9432pq_firmware
  • cisco · nexus_9736pq_firmware
  • cisco · n9k-x9736c-fx_firmware
  • cisco · n9k-x9732c-ex_firmware
  • cisco · n9k-x9732c-fx_firmware
  • cisco · n9k-x9736c-ex_firmware
  • cisco · n9k-x9636c-rx_firmware
  • cisco · n9k-x9636c-r_firmware
  • cisco · n9k-x9432c-s_firmware
  • cisco · nexus_9716d-gx_firmware
  • cisco · nexus_9504_firmware
  • cisco · nexus_9508_firmware
  • cisco · nexus_9516_firmware
  • cisco · nexus_92160yc-x_firmware
  • cisco · nexus_9272q_firmware
  • cisco · nexus_92304qc_firmware
  • cisco · nexus_9236c_firmware
  • cisco · nexus_92300yc_firmware
  • cisco · nexus_92348gc-x_firmware
  • cisco · nexus_9364c_firmware
  • cisco · nexus_9336c-fx2_firmware
  • cisco · nexus_9336c-fx2-e_firmware
  • cisco · nexus_9332c_firmware
  • cisco · nexus_9364c-gx_firmware
  • cisco · nexus_9800_firmware
  • cisco · sf500-24_firmware
  • cisco · sf-500-24mp_firmware
  • cisco · sf500-24p_firmware
  • cisco · sf500-48_firmware
  • cisco · sf500-48mp_firmware
  • cisco · sf500-18p_firmware
  • cisco · sg500-28_firmware
  • cisco · sg500-28mpp_firmware
  • cisco · sg500-28p_firmware
  • cisco · sg500-52_firmware
  • cisco · sg500-52mp_firmware
  • cisco · sg500-52p_firmware
  • cisco · sg500x-24_firmware
  • cisco · sg500x-24mpp_firmware
  • cisco · sg500x-24p_firmware
  • cisco · sg500x-48_firmware
  • cisco · sg500x-48mpp_firmware
  • cisco · sg500x-48p_firmware

References