Cisco Nexus 1000V Switch for VMware vSphere Secure Login Enhancements Parameter resource management

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

Summaryinfo

A vulnerability was found in Cisco Nexus 1000V Switch for VMware vSphere. It has been classified as problematic. Affected by this issue is some unknown functionality of the component Secure Login Enhancements. This manipulation as part of Parameter causes resource management. This vulnerability is tracked as CVE-2020-3168. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Cisco Nexus 1000V Switch for VMware vSphere (Virtualization Software) (unknown version) and classified as problematic. Affected by this vulnerability is an unknown code block of the component Secure Login Enhancements. The manipulation as part of a Parameter leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. The summary by CVE is:

A vulnerability in the Secure Login Enhancements capability of Cisco Nexus 1000V Switch for VMware vSphere could allow an unauthenticated, remote attacker to cause an affected Nexus 1000V Virtual Supervisor Module (VSM) to become inaccessible to users through the CLI. The vulnerability is due to improper resource allocation during failed CLI login attempts when login parameters that are part of the Secure Login Enhancements capability are configured on an affected device. An attacker could exploit this vulnerability by performing a high amount of login attempts against the affected device. A successful exploit could cause the affected device to become inaccessible to other users, resulting in a denial of service (DoS) condition requiring a manual power cycle of the VSM to recover.

The weakness was disclosed 02/26/2020 as cisco-sa-20200226-nexus-1000v- as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. This vulnerability is known as CVE-2020-3168 since 12/12/2019. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

Upgrading eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

License

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: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector (Cisco Systems, Inc.): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / 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

12/12/2019 🔍
02/26/2020 +76 days 🔍
02/27/2020 +1 days 🔍
04/06/2024 +1500 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20200226-nexus-1000v-
Status: Confirmed

CVE: CVE-2020-3168 (🔍)
GCVE (CVE): GCVE-0-2020-3168
GCVE (VulDB): GCVE-100-150547

Entryinfo

Created: 02/27/2020 07:01
Updated: 04/06/2024 09:11
Changes: 02/27/2020 07:01 (40), 02/27/2020 07:06 (12), 04/06/2024 09:11 (34)
Complete: 🔍
Cache ID: 216::103

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