CVE-2025-21117: avamar server — Fix

Description

Dell Avamar, version 19.4 or later, contains an access token reuse vulnerability in the AUI. A low privileged local attacker could potentially exploit this vulnerability, leading to fully impersonating the user.

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CVSS v3.1 Score

6.6

MEDIUM

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

Weakness Type (CWE)

CWE-672 CWE-672

Affected Products

Vendor	Product	Versions
dell	avamar_server	All
dell	avamar_server	All
dell	avamar_server	All
dell	avamar_server	All
dell	avamar_server	All
dell	avamar_server	All

References

Advisories & Patches

https://www.dell.com/support/kbdoc/en-us/000281275/dsa-2025-071-security-update-for-dell-avamar-for-multiple-component-vulnerabilities

Frequently Asked Questions

What is CVE-2025-21117? +

Dell Avamar, version 19.4 or later, contains an access token reuse vulnerability in the AUI. A low privileged local attacker could potentially exploit this vulnerability, leading to fully impersonating the user. It has a CVSS v3.1 base score of 6.6 (MEDIUM).

How severe is CVE-2025-21117? +

CVE-2025-21117 has a CVSS v3.1 score of 6.6 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-21117? +

CVE-2025-21117 affects products from dell, specifically: avamar_server. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-21117? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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