Cisco WebEx Meetings/WebEx Meetings Server Host Key excessive authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.1$0-$5k0.80

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Cisco WebEx Meetings and WebEx Meetings Server. This affects an unknown function of the component Host Key Handler. The manipulation leads to excessive authentication. This vulnerability is referenced as CVE-2021-1311. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Cisco WebEx Meetings and WebEx Meetings Server (Unified Communication Software) (affected version unknown) and classified as problematic. This issue affects an unknown functionality of the component Host Key Handler. The manipulation with an unknown input leads to a excessive authentication vulnerability. Using CWE to declare the problem leads to CWE-307. The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame, making it more susceptible to brute force attacks. Impacted is confidentiality.

The weakness was published 01/14/2021 as cisco-sa-webex-brutef-hostkey-FWRMxVF. The advisory is shared at tools.cisco.com. The identification of this vulnerability is CVE-2021-1311. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1110.001 for this issue.

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: 4.2
VulDB Meta Temp Score: 4.2

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Excessive authentication
CWE: CWE-307 / CWE-799 / CWE-400
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 🔍
01/14/2021 +62 days 🔍
01/14/2021 +0 days 🔍
02/14/2021 +31 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-webex-brutef-hostkey-FWRMxVF
Status: Confirmed

CVE: CVE-2021-1311 (🔍)
GCVE (CVE): GCVE-0-2021-1311
GCVE (VulDB): GCVE-100-167945

Entryinfo

Created: 01/14/2021 12:43
Updated: 02/14/2021 09:49
Changes: 01/14/2021 12:43 (38), 02/14/2021 09:47 (5), 02/14/2021 09:49 (19)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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