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TI-2023-20440 Aliases CVE-2023-39296GHSA-xh38-hrrg-8cjv

Prototype pollution in QNAP QTS

Priority MEDIUM 42CWE-1321Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01564 75th percentileScored 2026-11-07
Fix Fixed QTS (QNAP Systems Inc.): 5.1.3.2578 build 20231110QuTS hero (QNAP Systems Inc.): h5.1.3.2578 build 20231110

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
QNAPQTS5.1.x to before 5.1.3.2578 build 202311105.1.3.2578 build 20231110Patch availableCNA
QNAPQuTS heroh5.1.x to before h5.1.3.2578 build 20231110h5.1.3.2578 build 20231110Patch availableCNA
  • QTS VendorQNAP Affected 5.1.x to before 5.1.3.2578 build 20231110 Fixed in 5.1.3.2578 build 20231110 Patch available CNA
  • QuTS hero VendorQNAP Affected h5.1.x to before h5.1.3.2578 build 20231110 Fixed in h5.1.3.2578 build 20231110 Patch available CNA

CPE configurations NVD · 13

CPEVersionsRoleVendor
cpe:2.3:o:qnap:qts:5.1.0.2348:build_20230325:*:*:*:*:*:*5.1.0.2348 build_20230325VulnerableQNAP
cpe:2.3:o:qnap:qts:5.1.0.2399:build_20230515:*:*:*:*:*:*5.1.0.2399 build_20230515VulnerableQNAP
cpe:2.3:o:qnap:qts:5.1.0.2418:build_20230603:*:*:*:*:*:*5.1.0.2418 build_20230603VulnerableQNAP
cpe:2.3:o:qnap:qts:5.1.0.2444:build_20230629:*:*:*:*:*:*5.1.0.2444 build_20230629VulnerableQNAP
cpe:2.3:o:qnap:qts:5.1.0.2466:build_20230721:*:*:*:*:*:*5.1.0.2466 build_20230721VulnerableQNAP
cpe:2.3:o:qnap:qts:5.1.1.2491:build_20230815:*:*:*:*:*:*5.1.1.2491 build_20230815VulnerableQNAP
cpe:2.3:o:qnap:qts:5.1.2.2533:build_20230926:*:*:*:*:*:*5.1.2.2533 build_20230926VulnerableQNAP
cpe:2.3:o:qnap:quts_hero:h5.1.0.2409:build_20230525:*:*:*:*:*:*h5.1.0.2409 build_20230525VulnerableQNAP
cpe:2.3:o:qnap:quts_hero:h5.1.0.2424:build_20230609:*:*:*:*:*:*h5.1.0.2424 build_20230609VulnerableQNAP
cpe:2.3:o:qnap:quts_hero:h5.1.0.2453:build_20230708:*:*:*:*:*:*h5.1.0.2453 build_20230708VulnerableQNAP
  • cpe:2.3:o:qnap:qts:5.1.0.2348:build_20230325:*:*:*:*:*:* Versions 5.1.0.2348 build_20230325 Vulnerable ·QNAP
  • cpe:2.3:o:qnap:qts:5.1.0.2399:build_20230515:*:*:*:*:*:* Versions 5.1.0.2399 build_20230515 Vulnerable ·QNAP
  • cpe:2.3:o:qnap:qts:5.1.0.2418:build_20230603:*:*:*:*:*:* Versions 5.1.0.2418 build_20230603 Vulnerable ·QNAP
  • cpe:2.3:o:qnap:qts:5.1.0.2444:build_20230629:*:*:*:*:*:* Versions 5.1.0.2444 build_20230629 Vulnerable ·QNAP
  • cpe:2.3:o:qnap:qts:5.1.0.2466:build_20230721:*:*:*:*:*:* Versions 5.1.0.2466 build_20230721 Vulnerable ·QNAP
  • cpe:2.3:o:qnap:qts:5.1.1.2491:build_20230815:*:*:*:*:*:* Versions 5.1.1.2491 build_20230815 Vulnerable ·QNAP
  • cpe:2.3:o:qnap:qts:5.1.2.2533:build_20230926:*:*:*:*:*:* Versions 5.1.2.2533 build_20230926 Vulnerable ·QNAP
  • cpe:2.3:o:qnap:quts_hero:h5.1.0.2409:build_20230525:*:*:*:*:*:* Versions h5.1.0.2409 build_20230525 Vulnerable ·QNAP
  • cpe:2.3:o:qnap:quts_hero:h5.1.0.2424:build_20230609:*:*:*:*:*:* Versions h5.1.0.2424 build_20230609 Vulnerable ·QNAP
  • cpe:2.3:o:qnap:quts_hero:h5.1.0.2453:build_20230708:*:*:*:*:*:* Versions h5.1.0.2453 build_20230708 Vulnerable ·QNAP
Show 3 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:qnap:quts_hero:h5.1.0.2466:build_20230721:*:*:*:*:*:*h5.1.0.2466 build_20230721VulnerableQNAP
cpe:2.3:o:qnap:quts_hero:h5.1.1.2488:build_20230812:*:*:*:*:*:*h5.1.1.2488 build_20230812VulnerableQNAP
cpe:2.3:o:qnap:quts_hero:h5.1.2.2534:build_20230927:*:*:*:*:*:*h5.1.2.2534 build_20230927VulnerableQNAP
  • cpe:2.3:o:qnap:quts_hero:h5.1.0.2466:build_20230721:*:*:*:*:*:* Versions h5.1.0.2466 build_20230721 Vulnerable ·QNAP
  • cpe:2.3:o:qnap:quts_hero:h5.1.1.2488:build_20230812:*:*:*:*:*:* Versions h5.1.1.2488 build_20230812 Vulnerable ·QNAP
  • cpe:2.3:o:qnap:quts_hero:h5.1.2.2534:build_20230927:*:*:*:*:*:* Versions h5.1.2.2534 build_20230927 Vulnerable ·QNAP

Remediation

  • Fix · CNA QTS (QNAP Systems Inc.) Fixed in 5.1.3.2578 build 20231110
  • Fix · CNA QuTS hero (QNAP Systems Inc.) Fixed in h5.1.3.2578 build 20231110

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    QNAP Systems QTS, QuTS hero 5.1.3.2578 build 20231110, h5.1.3.2578 build 20231110

    2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW

    Other records, highest priority first

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-39296
  2. 2026-10-03 Alias added: GHSA-xh38-hrrg-8cjv

References

  • TI-2020-02221 Command Injection Vulnerability in QTS and QuTS hero KEVCVSS 3.1CRITICAL 9.8
  • TI-2019-05101 Improper input validation in QNAP NAS devices KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-14137 Improper input validation in QNAP QTS KEVCVSS 3.1CRITICAL 9.8
  • TI-2014-05975 GNU Bash through 4.3 bash43-025 processes trailing strings after certain malformed… KEVCVSS 3.1CRITICAL 9.8
  • TI-2014-05157 GNU Bash through 4.3 processes trailing strings after function definitions in the values… KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-14131 Cross-site scripting in QNAP QTS KEVCVSS 3.1HIGH 8.0
See all 282 →

Sources