CVE-2023-39296 (GCVE-0-2023-39296)

Vulnerability from cvelistv5 – Published: 2024-01-05 16:19 – Updated: 2025-06-03 14:41
VLAI Shadowserver
Title
QTS, QuTS hero
Summary
A prototype pollution vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow users to override existing attributes with ones that have incompatible type, which may lead to a crash via a network. We have already fixed the vulnerability in the following versions: QTS 5.1.3.2578 build 20231110 and later QuTS hero h5.1.3.2578 build 20231110 and later
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
QNAP Systems Inc. QTS Affected: 5.1.x , < 5.1.3.2578 build 20231110 (custom)
Create a notification for this product.
QNAP Systems Inc. QuTS hero Affected: h5.1.x , < h5.1.3.2578 build 20231110 (custom)
Create a notification for this product.
Credits
Anonymous working with SSD Secure Disclosure
Shadowserver
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: b855d3c7-2f42-4825-be38-286fbd1cf2b2

Vulnerability ID: CVE-2023-39296

Status: Confirmed

Status Updated: 2024-03-24 07:08 UTC

Exploited: Yes

Characteristics
Severity: 75.0
Timestamps
First Seen: 2024-03-24
Asserted: 2024-03-24
Last Seen: 2024-03-24
Scope
Asset Exposure: ['internet-facing']
Notes: Affected: QNAP / QTS and QuTS Hero | Class: nas | Severity: High (CVSS 7.5) | IoT: yes | In CISA KEV: no | Honeypot connections on 2024-03-24: 1
Evidence

Type: Honeypot

Signal: In The Wild Attempts

Confidence: 70%

Source: shadowserver

Details
1D 1
Iot yes
Feed Shadowserver Foundation honeypot/exploited-vulnerabilities
Type http-scan
Class nas
7D Avg 0
Vendor QNAP
30D Avg 0
90D Avg 0
Product QTS and QuTS Hero
Cisa Kev no
Connections 1
Observation Date 2024-03-24
Vulnerability Class CVSS
Vulnerability Score 7.5
Vulnerability Severity High
References
Created: 2026-06-30 12:40 UTC | Updated: 2026-06-30 12:40 UTC
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To clipboard 

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}


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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.