CVE-2024-48865

System compromise via improper certificate validation

Published Dec 6, 2024 · Updated Dec 6, 2024

Improper certificate validation in QNAP QTS and QuTS hero allows attackers with local network access to compromise system security. QNAP has not disclosed the affected certificate-processing component or how it accepts an untrusted certificate. Exploitation requires proximity to the NAS network and compromises confidentiality, integrity, and availability, but the resulting operation is unspecified.

CVSS severity7.3
High
EPSS probability0.15%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper certificate validation in QNAP QTS and QuTS hero allows attackers with local network access to compromise system security. QNAP has not disclosed the affected certificate-processing component or how it accepts an untrusted certificate. Exploitation requires proximity to the NAS network and compromises confidentiality, integrity, and availability, but the resulting operation is unspecified.

The record

CVE
CVE-2024-48865
Published
Dec 6, 2024
Updated
Dec 6, 2024
Vendor
Linn Products Limited
Product
QuTS hero
Classifications
CWE-295
Attack vector
adjacent
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 6, 2024CVE publishedPublication date reported by the CVE source.
  2. Dec 6, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=h5.1.x <h5.1.9.2954 build 20241120
  2. Affected versionversion=h5.2.x <h5.2.2.2952 build 20241116

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesunauthenticated

What is affected?

Linn Products Limited · QuTS heroversion=h5.1.x <h5.1.9.2954 build 20241120; version=h5.2.x <h5.2.2.2952 build 20241116
Linn Products Limited · QTSversion=5.1.x <5.1.9.2954 build 20241120; version=5.2.x <5.2.2.2950 build 20241114

Published CVSS scores

7.3QNAP Systems, Inc.CVSS:4.0/AV:P/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
7.5NIST NVDCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-295Improper Certificate Validation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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