CVE-2021-21511

8.1 highEPSS 1.0%

High (8.1) in dell. EPSS 1.0% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

8.1 high

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

EPSS: 1.0% chance of exploitation in the next 30 days; higher than 64% of CVEs (scores of 2026-10-31)
CWE: CWE-285
Published: 2021-02-15
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

dell:emc_avamar_server
dell:emc_integrated_data_protection_appliance

References

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

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