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CVE-2025-25215· NVD / CVE Program· CNA talos

Dell ControlVault3/ControlVault3 Plus cv_close arbitrary free vulnerability

An arbitrary free vulnerability exists in the cv_close functionality of Dell ControlVault3 prior to 5.15.10.14 and Dell ControlVault3 Plus prior to 6.2.26.36. A specially crafted ControlVault API call can lead to an arbitrary free. An attacker can forge a fake session to trigger this vulnerability.

HighCVSS 8.8 · v3.1—No exploit Fix available
Published
Jun 13, 2025
Updated
Jun 17, 2026
EPSS
2.6% · 85th percentile
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Report tools

JSON

Action score

36

Monitor

Low priority for now.

CVSS
35 / 40 · 8.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 2.6%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · talos
8.8
NVD has not scored this yet; the score shown is the CNA’s.

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

—

Versions reported by the vendor

Affected version ranges reported by the assigning authority (talos). Independent of NVD's CPE analysis and usually ahead of it.

  • Broadcom BCM5820X

    • NAaffected

  • Dell ControlVault3

    • before 5.15.10.14affected · semver

  • Dell ControlVault3 Plus

    • before 6.2.26.36affected · semver

Same product

broadcom: all records

Other highest-scoring records for the same primary product.

  • CVE-2025-25050Dell ControlVault3/ControlVault3 Plus cv_upgrade_sensor_firmware out-of-bounds write vulnerability
    36Monitor
  • CVE-2025-24922Dell ControlVault3/ControlVault3 Plus securebio_identify stack-based buffer overflow vulnerability
    36Monitor
  • CVE-2025-36553Dell ControlVault3 CvManager buffer overflow vulnerability
    35Monitor
  • CVE-2025-32089Dell ControlVault3 CvManager_SBI buffer overflow vulnerability
    35Monitor
  • CVE-2025-31649Dell ControlVault3 ControlVault WBDI Driver hard-coded password vulnerability
    34Monitor
  • CVE-2025-31361Dell ControlVault3 ControlVault WBDI Driver Broadcom Storage Adapter privilege escalation vulnerability
    34Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
Dell ControlVault35.15.10.14Vendor (CNA)
Dell ControlVault3 Plus6.2.26.36Vendor (CNA)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days+1% in 7 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted

Impact can extend beyond the vulnerable component (scope changes).

Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Changed
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-763 · Release of Invalid Pointer or Reference

CVSS vector

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

nvd-secondary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records