What is the CVSS score of CVE-2025-21117?

CVE-2025-21117 has a CVSS 3.1 base score of 6.6 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N. EPSS exploitation probability: 0.1%.

Which versions of Avamar Server are affected by CVE-2025-21117?

CVE-2025-21117 presents notable security risk rated CVSS 6.6. Exploitation could compromise the security of affected deployments.

How to fix or mitigate CVE-2025-21117?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Avamar Server CVE-2025-21117

MEDIUM

Operation on a Resource after Expiration or Release (CWE-672)

2025-02-05 security_alert@emc.com

Dell Information Disclosure Avamar Server

6.6

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.6 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:25 vuln.today

CVE Published

Feb 05, 2025 - 14:15 nvd

MEDIUM 6.6

DescriptionCVE.org

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.

AnalysisAI

Dell Avamar, version 19.4 or later, contains an access token reuse vulnerability in the AUI. Rated medium severity (CVSS 6.6), this vulnerability is low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-672. 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. Affected products include: Dell Avamar Server. Version information: version 19.4.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.