Cisco Unified Communications Manager file information disclosure

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CVSS Meta Temp Score
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CTI Interest Score
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3.0$0-$5k0.84

A vulnerability classified as problematic has been found in Cisco Unified Communications Manager and Unified Communications Manager Session Management Edition (Unified Communication Software) (the affected version unknown). This affects some unknown functionality. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-538. This is going to have an impact on confidentiality. The summary by CVE is:

A vulnerability in Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an authenticated, remote attacker to access sensitive information on an affected device. The vulnerability is due to improper inclusion of sensitive information in downloadable files. An attacker could exploit this vulnerability by authenticating to an affected device and issuing a specific set of commands. A successful exploit could allow the attacker to obtain hashed credentials of system users. To exploit this vulnerability an attacker would need to have valid user credentials with elevated privileges.

The weakness was shared 04/08/2021 as cisco-sa-cucm-inf-disc-wCxZNjL2. The advisory is shared at tools.cisco.com. This vulnerability is uniquely identified as CVE-2021-1406 since 11/13/2020. The exploitability is told to be difficult. It is possible to initiate the attack remotely. A authentication is required for exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/11/2021).

Upgrading eliminates this vulnerability.

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CVSSv3infoedit

VulDB Meta Base Score: 3.1
VulDB Meta Temp Score: 3.0

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

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfoedit

Class: Information disclosure
CWE: CWE-538
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

Threat: 🔍
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Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfoedit

11/13/2020 CVE assigned
04/08/2021 +145 days Advisory disclosed
04/08/2021 +0 days VulDB entry created
04/11/2021 +3 days VulDB last update

Sourcesinfoedit

Vendor: https://www.cisco.com/

Advisory: cisco-sa-cucm-inf-disc-wCxZNjL2
Status: Confirmed

CVE: CVE-2021-1406 (🔒)

Entryinfoedit

Created: 04/08/2021 10:36 AM
Updated: 04/11/2021 07:20 PM
Changes: (1) source_cve_cna
Complete: 🔍

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