Cisco Nexus Insights Authenticated Information Disclosure Vulnerability

A vulnerability in the web UI for Cisco Nexus Insights could allow an authenticated, remote attacker to view and download files related to the web application. The attacker requires valid device credentials. 

This vulnerability exists because proper role-based access control (RBAC) filters are not applied to file download actions. An attacker could exploit this vulnerability by logging in to the application and then navigating to the directory listing and download functions. A successful exploit could allow the attacker to download sensitive files that should be restricted, which could result in disclosure of sensitive information.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-insight-infodis-2By2ZpBB

Security Impact Rating: Medium

CVE: CVE-2021-34765

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Cisco Prime Infrastructure and Cisco Evolved Programmable Network Manager Information Disclosure Vulnerability

A vulnerability in the CLI of Cisco Prime Infrastructure and Cisco Evolved Programmable Network (EPN) Manager could allow an authenticated, local attacker to access sensitive information stored on the underlying file system of an affected system.

This vulnerability exists because sensitive information is not sufficiently secured when it is stored. An attacker could exploit this vulnerability by gaining unauthorized access to sensitive information on an affected system. A successful exploit could allow the attacker to create forged authentication requests and gain unauthorized access to the affected system.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-prime-info-disc-nTU9FJ2

Security Impact Rating: Medium

CVE: CVE-2021-34733

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Cisco Intersight Virtual Appliance IPv4 and IPv6 Forwarding Vulnerabilities

Multiple vulnerabilities in Cisco Intersight Virtual Appliance could allow an unauthenticated, adjacent attacker to access sensitive internal services from an external interface.

These vulnerabilities are due to insufficient restrictions for IPv4 or IPv6 packets that are received on the external management interface. An attacker could exploit these vulnerabilities by sending specific traffic to this interface on an affected device. A successful exploit could allow the attacker to access sensitive internal services and make configuration changes on the affected device. 

Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucsi2-iptaclbp-L8Dzs8m8

Security Impact Rating: High

CVE: CVE-2021-1600,CVE-2021-1601

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Cisco Intersight Virtual Appliance Vulnerabilities

Multiple vulnerabilities in the web-based management interface of Cisco Intersight Virtual Appliance could allow an authenticated, remote attacker to conduct a path traversal or command injection attack on an affected system.

These vulnerabilities are due to insufficient input validation. An attacker could exploit these vulnerabilities by using the web-based management interface to do one or both of the following:

  • Execute a command using crafted input
  • Upload a file that has been altered using path traversal techniques

A successful exploit could allow the attacker to read and write arbitrary files or execute arbitrary commands as root on an affected system.

For more information about these vulnerabilities, see the Details section of this advisory.

Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ucsi2-dtcinj-yH5U4RSx

Security Impact Rating: Medium

CVE: CVE-2021-1617,CVE-2021-1618

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Cisco Virtualized Voice Browser Cross-Site Scripting Vulnerability

A vulnerability in the web-based management interface of Cisco Virtualized Voice Browser could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface.

This vulnerability exists because the web-based management interface does not properly validate user-supplied input. An attacker could exploit this vulnerability by persuading a user of an affected interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-vvb-xss-wG4zXRp3

Security Impact Rating: Medium

CVE: CVE-2021-1575

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Cisco Business Process Automation Privilege Escalation Vulnerabilities

Multiple vulnerabilities in the web-based management interface of Cisco Business Process Automation (BPA) could allow an authenticated, remote attacker to elevate privileges to Administrator.

These vulnerabilities are due to improper authorization enforcement for specific features and for access to log files that contain confidential information. An attacker could exploit these vulnerabilities either by submitting crafted HTTP messages to an affected system and performing unauthorized actions with the privileges of an administrator, or by retrieving sensitive data from the logs and using it to impersonate a legitimate privileged user. A successful exploit could allow the attacker to elevate privileges to Administrator.

Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-bpa-priv-esc-dgubwbH4

Security Impact Rating: High

CVE: CVE-2021-1574,CVE-2021-1576

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Cisco DNA Center Certificate Validation Vulnerability

A vulnerability in the Cisco Identity Services Engine (ISE) integration feature of the Cisco DNA Center Software could allow an unauthenticated, remote attacker to gain unauthorized access to sensitive data.

The vulnerability is due to an incomplete validation of the X.509 certificate used when establishing a connection between DNA Center and an ISE server. An attacker could exploit this vulnerability by supplying a crafted certificate and could then intercept communications between the ISE and DNA Center. A successful exploit could allow the attacker to view and alter sensitive information that the ISE maintains about clients that are connected to the network.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dnac-certvalid-USEj2CZk

Security Impact Rating: High

CVE: CVE-2021-1134

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Cisco ThousandEyes Recorder Information Disclosure Vulnerability

A vulnerability in the installer software of Cisco ThousandEyes Recorder could allow an unauthenticated, local attacker to access sensitive information that is contained in the ThousandEyes Recorder installer software.

This vulnerability exists because sensitive information is included in the application installer. An attacker could exploit this vulnerability by downloading the installer and extracting its contents. A successful exploit could allow the attacker to access sensitive information that is included in the application installer.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-te-recorder-infodis-mx3ETTBM

Security Impact Rating: Medium

CVE: CVE-2021-1537

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Cisco Content Security Management Appliance Privilege Escalation Vulnerability

A vulnerability in the user account management system of Cisco AsyncOS for Cisco Content Security Management Appliance (SMA) could allow an authenticated, local attacker to elevate their privileges to root.

This vulnerability is due to a procedural flaw in the password generation algorithm. An attacker could exploit this vulnerability by enabling specific Administrator-only features and connecting to the appliance through the CLI with elevated privileges. A successful exploit could allow the attacker to execute arbitrary commands as root and access the underlying operating system. To exploit this vulnerability, the attacker must have valid Administrator credentials.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sma-priv-esc-JJ8zxQsC

Security Impact Rating: Medium

CVE: CVE-2021-1447

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