Cisco Nexus 9000 ACI Mode Link Layer Discovery Protocol denial of service

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability has been found in Cisco Nexus 9000 9000 and classified as problematic. The affected element is an unknown function of the component ACI Mode Link Layer Discovery Protocol. This manipulation causes denial of service. This vulnerability appears as CVE-2023-20089. The attacker needs to be present on the local network. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Cisco Nexus 9000 9000. It has been declared as critical. Affected by this vulnerability is an unknown part of the component ACI Mode Link Layer Discovery Protocol. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability.

The weakness was presented 02/22/2023 as cisco-sa-aci-lldp-dos-ySCNZOpX. It is possible to read the advisory at sec.cloudapps.cisco.com. This vulnerability is known as CVE-2023-20089 since 10/27/2022. The technical details are unknown and an exploit is not publicly available.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-24268). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CNA Base Score: 7.4
CNA Vector (Cisco Systems, Inc.): 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/27/2022 🔍
02/22/2023 +118 days 🔍
02/22/2023 +0 days 🔍
08/22/2025 +912 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-aci-lldp-dos-ySCNZOpX
Status: Confirmed

CVE: CVE-2023-20089 (🔍)
GCVE (CVE): GCVE-0-2023-20089
GCVE (VulDB): GCVE-100-221623
EUVD: 🔍

Entryinfo

Created: 02/22/2023 18:06
Updated: 08/22/2025 18:11
Changes: 02/22/2023 18:06 (39), 03/24/2023 07:47 (1), 03/24/2023 07:53 (21), 08/22/2025 18:11 (16)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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