What is the severity of CVE-2021-1350?

CVE-2021-1350 has been assigned a high severity rating due to its potential impact on service performance.

How do I fix CVE-2021-1350?

To mitigate CVE-2021-1350, ensure that you have applied the latest security updates and patches provided by Cisco for the Umbrella service.

Who is affected by CVE-2021-1350?

CVE-2021-1350 affects all users of Cisco Umbrella that utilize its web UI without sufficient rate limiting controls.

Can CVE-2021-1350 be exploited remotely?

Yes, CVE-2021-1350 can be exploited by an unauthenticated remote attacker, leading to potential denial of service.

What types of attacks can CVE-2021-1350 enable?

CVE-2021-1350 could allow attackers to conduct denial-of-service attacks by overwhelming the web UI of Cisco Umbrella.

Vulnerability/
CVE-2021-1350

medium

5.3

CWE

770

20/1/2021

12/11/2024

CVE-2021-1350: Cisco Umbrella Dashboard Packet Flood Vulnerability

First published: Wed Jan 20 2021(Updated: )

A vulnerability in the web UI of Cisco Umbrella could allow an unauthenticated, remote attacker to negatively affect the performance of this service. The vulnerability exists due to insufficient rate limiting controls in the web UI. An attacker could exploit this vulnerability by sending crafted HTTPS packets at a high and sustained rate. A successful exploit could allow the attacker to negatively affect the performance of the web UI. Cisco has addressed this vulnerability.

Credit: ykramarz@cisco.com

Affected Software	Affected Version	How to fix
Cisco Umbrella

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Reference Links

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-umb-dos-dgKzDEBP

Frequently Asked Questions

What is the severity of CVE-2021-1350?
CVE-2021-1350 has been assigned a high severity rating due to its potential impact on service performance.
How do I fix CVE-2021-1350?
To mitigate CVE-2021-1350, ensure that you have applied the latest security updates and patches provided by Cisco for the Umbrella service.
Who is affected by CVE-2021-1350?
CVE-2021-1350 affects all users of Cisco Umbrella that utilize its web UI without sufficient rate limiting controls.
Can CVE-2021-1350 be exploited remotely?
Yes, CVE-2021-1350 can be exploited by an unauthenticated remote attacker, leading to potential denial of service.
What types of attacks can CVE-2021-1350 enable?
CVE-2021-1350 could allow attackers to conduct denial-of-service attacks by overwhelming the web UI of Cisco Umbrella.

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collector/mitre-cve
source/MITRE
agent/last-modified-date
agent/first-publish-date
agent/event
agent/source
vendor/cisco
canonical/cisco umbrella

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Frequently Asked Questions

What is the severity of CVE-2021-1350?
CVE-2021-1350 has been assigned a high severity rating due to its potential impact on service performance.
How do I fix CVE-2021-1350?
To mitigate CVE-2021-1350, ensure that you have applied the latest security updates and patches provided by Cisco for the Umbrella service.
Who is affected by CVE-2021-1350?
CVE-2021-1350 affects all users of Cisco Umbrella that utilize its web UI without sufficient rate limiting controls.
Can CVE-2021-1350 be exploited remotely?
Yes, CVE-2021-1350 can be exploited by an unauthenticated remote attacker, leading to potential denial of service.
What types of attacks can CVE-2021-1350 enable?
CVE-2021-1350 could allow attackers to conduct denial-of-service attacks by overwhelming the web UI of Cisco Umbrella.