Lucene search

CiscoCVE-2021-1229

HistoryFeb 24, 2021 - 8:15 p.m.

CVE-2021-1229

2021-02-2420:15:12

CWE-401

cisco

web.nvd.nist.gov

135

cve-2021-1229

vulnerability

cisco nx-os software

icmpv6

denial of service

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

CVSS3

5.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L

AI Score

5.3

Confidence

High

EPSS

0.002

Percentile

51.4%

JSON

A vulnerability in ICMP Version 6 (ICMPv6) processing in Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a slow system memory leak, which over time could lead to a denial of service (DoS) condition. This vulnerability is due to improper error handling when an IPv6-configured interface receives a specific type of ICMPv6 packet. An attacker could exploit this vulnerability by sending a sustained rate of crafted ICMPv6 packets to a local IPv6 address on a targeted device. A successful exploit could allow the attacker to cause a system memory leak in the ICMPv6 process on the device. As a result, the ICMPv6 process could run out of system memory and stop processing traffic. The device could then drop all ICMPv6 packets, causing traffic instability on the device. Restoring device functionality would require a device reboot.

Affected configurations

Nvd

Node

cisconx-osMatch5.2\(1\)sv5\(1.3a\)

AND

cisconexus_1000_virtual_edge_for_vmware_vsphereMatch-

cisconexus_1000v_switch_for_microsoft_hyper-vMatch-

cisconexus_1000v_switch_for_vmware_vsphereMatch-

Node

cisconx-osMatch8.4\(3.53\)

AND

ciscomds_9148sMatch-

ciscomds_9250iMatch-

ciscomds_9706Match-

ciscomds_9710Match-

cisconexus_3048Match-

cisconexus_31108pv-vMatch-

cisconexus_31108tc-vMatch-

cisconexus_31128pqMatch-

cisconexus_3132c-zMatch-

cisconexus_3132q-vMatch-

cisconexus_3132q-xMatch-

cisconexus_3132q-xlMatch-

cisconexus_3164qMatch-

cisconexus_3172pqMatch-

cisconexus_3172pq-xlMatch-

cisconexus_3232cMatch-

cisconexus_3264c-eMatch-

cisconexus_3264qMatch-

cisconexus_3408-sMatch-

cisconexus_34180ycMatch-

cisconexus_3432d-sMatch-

cisconexus_3464cMatch-

cisconexus_3524-xMatch-

cisconexus_3524-xlMatch-

cisconexus_3548-xMatch-

cisconexus_3548-xlMatch-

cisconexus_36180yc-rMatch-

cisconexus_3636c-rMatch-

cisconexus_5548pMatch-

cisconexus_5548upMatch-

cisconexus_5596tMatch-

cisconexus_5596upMatch-

cisconexus_56128pMatch-

cisconexus_5624qMatch-

cisconexus_5648qMatch-

cisconexus_5672upMatch-

cisconexus_5672up-16gMatch-

cisconexus_5696qMatch-

cisconexus_6001Match-

cisconexus_6004Match-

cisconexus_7000Match-

cisconexus_7700Match-

cisconexus_9000vMatch-

cisconexus_92160yc-xMatch-

cisconexus_9221cMatch-

cisconexus_92300ycMatch-

cisconexus_92304qcMatch-

cisconexus_92348gc-xMatch-

cisconexus_9236cMatch-

cisconexus_9272qMatch-

cisconexus_93108tc-exMatch-

cisconexus_93108tc-ex-24Match-

cisconexus_93108tc-fxMatch-

cisconexus_93108tc-fx-24Match-

cisconexus_93120txMatch-

cisconexus_93128txMatch-

cisconexus_9316d-gxMatch-

cisconexus_93180lc-exMatch-

cisconexus_93180yc-exMatch-

cisconexus_93180yc-ex-24Match-

cisconexus_93180yc-fxMatch-

cisconexus_93180yc-fx-24Match-

cisconexus_93180yc-fx3Match-

cisconexus_93180yc-fx3sMatch-

cisconexus_93216tc-fx2Match-

cisconexus_93240yc-fx2Match-

cisconexus_9332pqMatch-

cisconexus_93360yc-fx2Match-

cisconexus_9336c-fx2Match-

cisconexus_9336c-fx2-eMatch-

cisconexus_9336pqMatch-

cisconexus_9348gc-fxpMatch-

cisconexus_93600cd-gxMatch-

cisconexus_9364cMatch-

cisconexus_9364c-gxMatch-

cisconexus_9372pxMatch-

cisconexus_9372px-eMatch-

cisconexus_9372txMatch-

cisconexus_9372tx-eMatch-

cisconexus_9396pxMatch-

cisconexus_9396txMatch-

cisconexus_9508Match-

Node

cisconx-osMatch15.1\(2.31\)

AND

cisconexus_9000vMatch-

cisconexus_92160yc-xMatch-

cisconexus_9221cMatch-

cisconexus_92300ycMatch-

cisconexus_92304qcMatch-

cisconexus_92348gc-xMatch-

cisconexus_9236cMatch-

cisconexus_9272qMatch-

cisconexus_93108tc-exMatch-

cisconexus_93108tc-ex-24Match-

cisconexus_93108tc-fxMatch-

cisconexus_93108tc-fx-24Match-

cisconexus_93120txMatch-

cisconexus_93128txMatch-

cisconexus_9316d-gxMatch-

cisconexus_93180lc-exMatch-

cisconexus_93180yc-exMatch-

cisconexus_93180yc-ex-24Match-

cisconexus_93180yc-fxMatch-

cisconexus_93180yc-fx-24Match-

cisconexus_93180yc-fx3Match-

cisconexus_93180yc-fx3sMatch-

cisconexus_93216tc-fx2Match-

cisconexus_93240yc-fx2Match-

cisconexus_9332pqMatch-

cisconexus_93360yc-fx2Match-

cisconexus_9336c-fx2Match-

cisconexus_9336c-fx2-eMatch-

cisconexus_9336pqMatch-

cisconexus_9348gc-fxpMatch-

cisconexus_93600cd-gxMatch-

cisconexus_9364cMatch-

cisconexus_9364c-gxMatch-

cisconexus_9372pxMatch-

cisconexus_9372px-eMatch-

cisconexus_9372txMatch-

cisconexus_9372tx-eMatch-

cisconexus_9396pxMatch-

cisconexus_9396txMatch-

cisconexus_9508Match-

VendorProductVersionCPE
cisconx-os5.2(1)sv5(1.3a)cpe:2.3:o:cisco:nx-os:5.2\(1\)sv5\(1.3a\):*:*:*:*:*:*:*
cisconexus_1000_virtual_edge_for_vmware_vsphere-cpe:2.3:h:cisco:nexus_1000_virtual_edge_for_vmware_vsphere:-:*:*:*:*:*:*:*
cisconexus_1000v_switch_for_microsoft_hyper-v-cpe:2.3:h:cisco:nexus_1000v_switch_for_microsoft_hyper-v:-:*:*:*:*:*:*:*
cisconexus_1000v_switch_for_vmware_vsphere-cpe:2.3:h:cisco:nexus_1000v_switch_for_vmware_vsphere:-:*:*:*:*:*:*:*
cisconx-os8.4(3.53)cpe:2.3:o:cisco:nx-os:8.4\(3.53\):*:*:*:*:*:*:*
ciscomds_9148s-cpe:2.3:h:cisco:mds_9148s:-:*:*:*:*:*:*:*
ciscomds_9250i-cpe:2.3:h:cisco:mds_9250i:-:*:*:*:*:*:*:*
ciscomds_9706-cpe:2.3:h:cisco:mds_9706:-:*:*:*:*:*:*:*
ciscomds_9710-cpe:2.3:h:cisco:mds_9710:-:*:*:*:*:*:*:*
cisconexus_3048-cpe:2.3:h:cisco:nexus_3048:-:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
cisco	nx-os	5.2(1)sv5(1.3a)	cpe:2.3:o:cisco:nx-os:5.2\(1\)sv5\(1.3a\):::::::*
cisco	nexus_1000_virtual_edge_for_vmware_vsphere	-	cpe:2.3:h:cisco:nexus_1000_virtual_edge_for_vmware_vsphere:-:::::::*
cisco	nexus_1000v_switch_for_microsoft_hyper-v	-	cpe:2.3:h:cisco:nexus_1000v_switch_for_microsoft_hyper-v:-:::::::*
cisco	nexus_1000v_switch_for_vmware_vsphere	-	cpe:2.3:h:cisco:nexus_1000v_switch_for_vmware_vsphere:-:::::::*
cisco	nx-os	8.4(3.53)	cpe:2.3:o:cisco:nx-os:8.4\(3.53\):::::::*
cisco	mds_9148s	-	cpe:2.3:h:cisco:mds_9148s:-:::::::*
cisco	mds_9250i	-	cpe:2.3:h:cisco:mds_9250i:-:::::::*
cisco	mds_9706	-	cpe:2.3:h:cisco:mds_9706:-:::::::*
cisco	mds_9710	-	cpe:2.3:h:cisco:mds_9710:-:::::::*
cisco	nexus_3048	-	cpe:2.3:h:cisco:nexus_3048:-:::::::*

Rows per page:

1-10 of 881

CNA Affected

[
  {
    "product": "Cisco NX-OS Software",
    "vendor": "Cisco",
    "versions": [
      {
        "status": "affected",
        "version": "n/a"
      }
    ]
  }
]

References

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fxos-nxos-icmpv6-dos-YD55jVCq

Social References

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

CVSS3

5.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L

AI Score

5.3

Confidence

High

EPSS

0.002

Percentile

51.4%

JSON

Related for CVE-2021-1229