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CVE-2025-21117

MEDIUMCVSS 5.5/10EPSS 0.15%

Last modified

CVE-2025-21117 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 0.15% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
5.5/10

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

EPSS Probability
0.15%

4.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
DellAvamar Server19.4
DellAvamar Server19.7
DellAvamar Server19.8
DellAvamar Server19.9
DellAvamar Server19.10

References

Timeline

Published
Last Modified
Status
Analyzed

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.
How severe is CVE-2025-21117?
CVE-2025-21117 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.15% probability of exploitation in the next 30 days.
How do I fix CVE-2025-21117?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-21117?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST