What is CVE-2021-21511?

CVE-2021-21511 is a vulnerability in Dell EMC Avamar Server versions 19.3 and 19.4 that allows a remote attacker to gain unauthorized read or modification access to other users' backup data.

How severe is CVE-2021-21511?

CVE-2021-21511 has a severity score of 8.1, which is considered high.

How does CVE-2021-21511 affect Dell EMC Avamar Server?

CVE-2021-21511 affects Dell EMC Avamar Server versions 19.3 and 19.4, allowing a remote low privileged attacker to gain unauthorized access to backup data.

Is there a fix available for CVE-2021-21511?

Yes, Dell EMC has released a fix for CVE-2021-21511. It is recommended to update to the latest version of Dell EMC Avamar Server or refer to the official Dell support article for more information.

Where can I find more information about CVE-2021-21511?

More information about CVE-2021-21511 can be found in the official Dell support article at the following link: [Dell Support Article](https://www.dell.com/support/kbdoc/en-us/000182926/dsa-2021-033-dell-emc-avamar-server-improper-authorization-vulnerability)

Vulnerability/
CVE-2021-21511

high

8.1

CWE

285

15/2/2021

16/9/2024

CVE-2021-21511

First published: Mon Feb 15 2021(Updated: )

Dell EMC Avamar Server, versions 19.3 and 19.4 contain an Improper Authorization vulnerability in the web UI. A remote low privileged attacker could potentially exploit this vulnerability, to gain unauthorized read or modification access to other users' backup data.

Credit: security_alert@emc.com

Affected Software	Affected Version	How to fix
Dell EMC Avamar Server	=19.3
Dell EMC Avamar Server	=19.4
Dell EMC Integrated Data Protection Appliance	=2.6

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Reference Links

https://www.dell.com/support/kbdoc/en-us/000182926/dsa-2021-033-dell-emc-avamar-server-improper-authorization-vulnerability

Frequently Asked Questions

What is CVE-2021-21511?
CVE-2021-21511 is a vulnerability in Dell EMC Avamar Server versions 19.3 and 19.4 that allows a remote attacker to gain unauthorized read or modification access to other users' backup data.
How severe is CVE-2021-21511?
CVE-2021-21511 has a severity score of 8.1, which is considered high.
How does CVE-2021-21511 affect Dell EMC Avamar Server?
CVE-2021-21511 affects Dell EMC Avamar Server versions 19.3 and 19.4, allowing a remote low privileged attacker to gain unauthorized access to backup data.
Is there a fix available for CVE-2021-21511?
Yes, Dell EMC has released a fix for CVE-2021-21511. It is recommended to update to the latest version of Dell EMC Avamar Server or refer to the official Dell support article for more information.
Where can I find more information about CVE-2021-21511?
More information about CVE-2021-21511 can be found in the official Dell support article at the following link: [Dell Support Article](https://www.dell.com/support/kbdoc/en-us/000182926/dsa-2021-033-dell-emc-avamar-server-improper-authorization-vulnerability)

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vendor/dell
canonical/dell emc avamar server
version/dell emc avamar server/19.3
version/dell emc avamar server/19.4
canonical/dell emc integrated data protection appliance
version/dell emc integrated data protection appliance/2.6

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