Cisco Unified Communications Manager Self Care Portal improper authentication

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CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.63

A vulnerability was found in Cisco Unified Communications Manager and Unified Communications Manager Session Management Edition (Unified Communication Software) (affected version not known). It has been rated as critical. Affected by this issue is an unknown functionality of the component Self Care Portal. The manipulation with an unknown input leads to a weak authentication vulnerability. Using CWE to declare the problem leads to CWE-287. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A vulnerability in the Self Care Portal of Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an authenticated, remote attacker to modify data on an affected system without proper authorization. The vulnerability is due to insufficient validation of user-supplied data to the Self Care Portal. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected system. A successful exploit could allow the attacker to modify information without proper authorization.

The weakness was presented 04/08/2021 as cisco-sa-cucm-selfcare-VRWWWHgE. The advisory is shared for download at tools.cisco.com. This vulnerability is handled as CVE-2021-1399 since 11/13/2020. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 04/11/2021).

Upgrading eliminates this vulnerability.

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CPE 2.3infoedit

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CVSSv3infoedit

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

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

Exploitinginfoedit

Class: Weak authentication
CWE: CWE-287
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
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Remediation: 🔍

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-selfcare-VRWWWHgE
Status: Confirmed

CVE: CVE-2021-1399 (🔒)

Entryinfoedit

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

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