cisco-sa-swg-fbyps-3z4qT7p: Cisco Umbrella Secure Web Gateway File Inspection Bypass Vulnerability

Published Feb 2, 2022
·
Updated

A vulnerability in the Cisco Umbrella Secure Web Gateway service could allow an unauthenticated, remote attacker to bypass the file inspection feature. This vulnerability is due to insufficient restrictions in the file inspection feature. An attacker could exploit this vulnerability by downloading a crafted payload through specific methods. A successful exploit could allow the attacker to bypass file inspection protections and download a malicious payload. There are no workarounds that address this vulnerability. This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-swg-fbyps-3z4qT7p

Credit

Yosi Magor, security researcher at ThriveDX Labs, .

Affected Software

1 affected component
Cisco Umbrella Secure Web Gateway

Event History

Feb 2, 2022
Advisory Published
04:00 PM
Data Sourced
04:00 PM
DescriptionSeverityWeaknessAffected Software

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of cisco-sa-swg-fbyps-3z4qT7p?

The severity of cisco-sa-swg-fbyps-3z4qT7p is high due to the potential for unauthenticated remote access and file inspection bypass.

2

How do I fix cisco-sa-swg-fbyps-3z4qT7p?

To fix cisco-sa-swg-fbyps-3z4qT7p, ensure that you update your Cisco Umbrella Secure Web Gateway to the latest version following Cisco's security advisory.

3

What is the impact of cisco-sa-swg-fbyps-3z4qT7p?

The impact of cisco-sa-swg-fbyps-3z4qT7p includes the possibility for attackers to bypass security controls and gain unauthorized access to network resources.

4

Who is affected by cisco-sa-swg-fbyps-3z4qT7p?

Organizations using the Cisco Umbrella Secure Web Gateway service are affected by cisco-sa-swg-fbyps-3z4qT7p.

5

Is exploitation of cisco-sa-swg-fbyps-3z4qT7p difficult?

Exploitation of cisco-sa-swg-fbyps-3z4qT7p is relatively easy as it can be performed by an unauthenticated remote attacker.

Contact

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