Cisco Data Center Network Manager REST API Endpoint improper authorization

EntryeditHistoryDiffjsonxmlCTI
CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

A vulnerability was found in Cisco Data Center Network Manager (affected version not known) and classified as critical. Affected by this issue is an unknown code block of the component REST API Endpoint. The manipulation with an unknown input leads to a privilege escalation vulnerability. Using CWE to declare the problem leads to CWE-285. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Multiple vulnerabilities in the REST API endpoint of Cisco Data Center Network Manager (DCNM) could allow an authenticated, remote attacker to view, modify, and delete data without proper authorization. For more information about these vulnerabilities, see the Details section of this advisory.

The weakness was published 01/21/2021 as cisco-sa-dcnm-api-path-TpTApx2p. The advisory is available at tools.cisco.com. This vulnerability is handled as CVE-2021-1255 since 11/13/2020. The exploitation is known to be easy. The attack may be launched remotely. The requirement for exploitation is a simple authentication. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 02/18/2021). This vulnerability is assigned to T1548.002 by the MITRE ATT&CK project.

Upgrading eliminates this vulnerability.

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VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔒

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

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Exploitinginfoedit

Class: Privilege escalation
CWE: CWE-285
ATT&CK: T1548.002

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: tools.cisco.com

Timelineinfoedit

11/13/2020 CVE assigned
01/21/2021 +69 days Advisory disclosed
01/21/2021 +0 days VulDB entry created
02/18/2021 +28 days VulDB last update

Sourcesinfoedit

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

Advisory: cisco-sa-dcnm-api-path-TpTApx2p
Status: Confirmed

CVE: CVE-2021-1255 (🔒)

Entryinfoedit

Created: 01/21/2021 08:48 AM
Updated: 02/18/2021 05:11 PM
Changes: (17) vulnerability_cvss3_nvd_av vulnerability_cvss3_nvd_ac vulnerability_cvss3_nvd_pr vulnerability_cvss3_nvd_ui vulnerability_cvss3_nvd_s vulnerability_cvss3_nvd_c vulnerability_cvss3_nvd_i vulnerability_cvss3_nvd_a vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai source_cve_cna vulnerability_cvss2_nvd_basescore vulnerability_cvss3_nvd_basescore
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