Cisco Nexus 9000 ACI Mode denial of service

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Cisco Nexus 9000. The impacted element is an unknown function of the component ACI Mode. This manipulation causes denial of service. This vulnerability is tracked as CVE-2021-1586. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Cisco Nexus 9000 (the affected version is unknown) and classified as critical. Affected by this vulnerability is an unknown code of the component ACI Mode. 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 disclosed 08/26/2021 as cisco-sa-n9kaci-tcp-dos-YXukt6gM. It is possible to read the advisory at tools.cisco.com. This vulnerability is known as CVE-2021-1586. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

Upgrading eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: Yes

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

11/13/2020 🔍
08/26/2021 +285 days 🔍
08/26/2021 +0 days 🔍
08/29/2021 +3 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-n9kaci-tcp-dos-YXukt6gM
Status: Confirmed

CVE: CVE-2021-1586 (🔍)
GCVE (CVE): GCVE-0-2021-1586
GCVE (VulDB): GCVE-100-181507

Entryinfo

Created: 08/26/2021 07:01
Updated: 08/29/2021 15:06
Changes: 08/26/2021 07:01 (37), 08/29/2021 15:02 (2), 08/29/2021 15:06 (1)
Complete: 🔍
Cache ID: 216::103

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