Cisco Small Business 200 Managed Switch Web-based Management Interface denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.2$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Cisco Small Business 200 Managed Switch, Small Business 300 Managed Switch and Small Business 500 Managed Switch. This affects an unknown part of the component Web-based Management Interface. Such manipulation leads to denial of service. This vulnerability is documented as CVE-2021-40127. The attack can be executed remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Cisco Small Business 200 Managed Switch, Small Business 300 Managed Switch and Small Business 500 Managed Switch (the affected version unknown). It has been rated as problematic. Affected by this issue is an unknown part of the component Web-based Management Interface. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.

The weakness was released 11/04/2021 as cisco-sa-smb-switches-web-dos-xMyFFkt8. The advisory is shared for download at tools.cisco.com. This vulnerability is handled as CVE-2021-40127 since 08/25/2021. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

Upgrading eliminates this vulnerability.

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Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

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

CNA Base Score: 5.3
CNA Vector (Cisco Systems, Inc.): 🔍

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

08/25/2021 🔍
11/04/2021 +71 days 🔍
11/04/2021 +0 days 🔍
11/09/2021 +5 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-smb-switches-web-dos-xMyFFkt8
Status: Confirmed

CVE: CVE-2021-40127 (🔍)
GCVE (CVE): GCVE-0-2021-40127
GCVE (VulDB): GCVE-100-186056

Entryinfo

Created: 11/04/2021 20:15
Updated: 11/09/2021 16:30
Changes: 11/04/2021 20:15 (48), 11/09/2021 16:30 (1)
Complete: 🔍
Cache ID: 216::103

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