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| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2021-21353 | A vulnerability in the Link Layer Discovery Protocol (LLDP) message parser of Cisco IOS Software and Cisco IOS XE Software could allow an attacker to trigger a reload of an affected device, resulting in a denial of service (DoS) condition. This vulnerability is due to improper initialization of a buffer. An attacker could exploit this vulnerability via any of the following methods: An authenticated, remote attacker could access the LLDP neighbor table via either the CLI or SNMP while the device is in a specific state. An unauthenticated, adjacent attacker could corrupt the LLDP neighbor table by injecting specific LLDP frames into the network and then waiting for an administrator of the device or a network management system (NMS) managing the device to retrieve the LLDP neighbor table of the device via either the CLI or SNMP. An authenticated, adjacent attacker with SNMP read-only credentials or low privileges on the device CLI could corrupt the LLDP neighbor table by injecting specific LLDP frames into the network and then accessing the LLDP neighbor table via either the CLI or SNMP. A successful exploit could allow the attacker to cause the affected device to crash, resulting in a reload of the device. |
Thu, 07 Nov 2024 22:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
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Subscriptions
Status: PUBLISHED
Assigner: cisco
Published:
Updated: 2024-11-07T21:59:20.710Z
Reserved: 2021-06-15T00:00:00.000Z
Link: CVE-2021-34703
Updated: 2024-08-04T00:19:48.150Z
Status : Modified
Published: 2021-09-23T03:15:16.970
Modified: 2024-11-21T06:10:59.470
Link: CVE-2021-34703
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OpenCVE Enrichment
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EUVD