Cisco Integrated Management Controller Web-based Management Interface input validation

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

A vulnerability has been found in Cisco Integrated Management Controller, UCS Director and UCS Director Express for Big Data (Virtualization Software) (version now known) and classified as critical. This vulnerability affects some unknown processing of the component Web-based Management Interface. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

A vulnerability in the web-based management interface of Cisco Integrated Management Controller (IMC) Supervisor, Cisco UCS Director, and Cisco UCS Director Express for Big Data could allow an authenticated, remote attacker to execute arbitrary commands on the underlying Linux shell as the root user. Exploitation of this vulnerability requires privileged access to an affected device. The vulnerability is due to insufficient validation of user-supplied input by the web-based management interface. An attacker could exploit this vulnerability by logging in to the web-based management interface with administrator privileges and then sending a malicious request to a certain part of the interface.

The weakness was released 08/21/2019 as cisco-sa-20190821-imcs-ucs-cmd as confirmed advisory (Website). The advisory is available at tools.cisco.com. This vulnerability was named CVE-2019-1936 since 12/06/2018. The attack can be initiated remotely. Required for exploitation is a single authentication. The technical details are unknown and an exploit is not available.

Upgrading eliminates this vulnerability.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.7
VulDB Meta Temp Score: 7.6

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.2
NVD Vector: 🔍

CNA Base Score: 7.2
CNA Vector (Cisco Systems, Inc.): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

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

12/06/2018 🔍
08/21/2019 +258 days 🔍
08/22/2019 +1 days 🔍
11/28/2023 +1559 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20190821-imcs-ucs-cmd
Status: Confirmed

CVE: CVE-2019-1936 (🔍)

Entryinfo

Created: 08/22/2019 09:47 AM
Updated: 11/28/2023 01:03 PM
Changes: 08/22/2019 09:47 AM (40), 08/02/2020 05:40 PM (18), 11/28/2023 01:03 PM (14)
Complete: 🔍
Cache ID: 44:F5B:40

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