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TI-2023-21881 Aliases CVE-2023-41279GHSA-hfp7-mmwm-2mmx

Buffer overflow in QNAP QTS

Priority LOW 32CWE-120Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.

Summary

A buffer copy without checking size of input vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated administrators to execute code via a network. We have already fixed the vulnerability in the following versions: QTS 5.1.2.2533 build 20230926 and later QuTS hero h5.1.2.2534 build 20230927 and later QuTScloud c5.1.5.2651 and later

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0058 47th percentileScored 2026-11-07
Fix Fixed QTS (QNAP Systems Inc.): 5.1.2.2533 build 20230926QuTS hero (QNAP Systems Inc.): h5.1.2.2534 build 20230927+1 more product

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
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 5.1.2.2533 build 202309265.1.2.2533 build 20230926Patch availableCNA
QNAPQuTS heroh5.1.x to before h5.1.2.2534 build 20230927h5.1.2.2534 build 20230927Patch availableCNA
QNAPQuTScloudc5.x.x to before c5.1.5.2651c5.1.5.2651Patch availableCNA
  • QTS VendorQNAP Affected 5.1.x to before 5.1.2.2533 build 20230926 Fixed in 5.1.2.2533 build 20230926 Patch available CNA
  • QuTS hero VendorQNAP Affected h5.1.x to before h5.1.2.2534 build 20230927 Fixed in h5.1.2.2534 build 20230927 Patch available CNA
  • QuTScloud VendorQNAP Affected c5.x.x to before c5.1.5.2651 Fixed in c5.1.5.2651 Patch available CNA

CPE configurations NVD · 14

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:-:*:*:*:*:*:*5.1.2.2533VulnerableQNAP
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:-:*:*:*:*:*:* Versions 5.1.2.2533 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 4 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:-:*:*:*:*:*:*h5.1.2.2534VulnerableQNAP
cpe:2.3:o:qnap:qutscloud:c5.1.0.2498:build_20230822:*:*:*:*:*:*c5.1.0.2498 build_20230822VulnerableQNAP
  • 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:-:*:*:*:*:*:* Versions h5.1.2.2534 Vulnerable ·QNAP
  • cpe:2.3:o:qnap:qutscloud:c5.1.0.2498:build_20230822:*:*:*:*:*:* Versions c5.1.0.2498 build_20230822 Vulnerable ·QNAP

Remediation

  • Fix · CNA QTS (QNAP Systems Inc.) Fixed in 5.1.2.2533 build 20230926
  • Fix · CNA QuTS hero (QNAP Systems Inc.) Fixed in h5.1.2.2534 build 20230927
  • Fix · CNA QuTScloud (QNAP Systems Inc.) Fixed in c5.1.5.2651

Fixed in the same release

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

  • Release ·

    QNAP Systems QuTScloud c5.1.5.2651

    26 records Highest priority Priority MEDIUM 5 MEDIUM, 21 LOW

    Other records, highest priority first

  • Release ·

    QNAP Systems QTS, QuTS hero 5.1.2.2533 build 20230926, h5.1.2.2534 build 20230927

    8 records Highest priority Priority LOW 8 LOW

    Other records, highest priority first

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-41279
  2. 2026-10-03 Alias added: GHSA-hfp7-mmwm-2mmx

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