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CVE-2023-32973

QTS, QuTS hero, QuTScloud

Low3.8EPSS 0.59%
Published
Updated
Reserved
Assigned by
qnap

Description

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 5.0.1.2425 build 20230609 and later QTS 5.1.0.2444 build 20230629 and later QTS 4.5.4.2467 build 20230718 and later QuTS hero h5.0.1.2515 build 20230907 and later QuTS hero h5.1.0.2424 build 20230609 and later QuTS hero h4.5.4.2476 build 20230728 and later QuTScloud c5.1.0.2498 and later

Timeline

  1. ID reserved

    By qnap

  2. · 5 months later

    Published

  3. · 11 months later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2023-32973, by who scored it
Scored byCVSSScoreVector
qnapCNA (assigner)3.1Low3.8CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L
NVDNVD · Modified3.1High7.2CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.59% · top 51% of all CVEs (7 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 3.8.

Weakness

Affected products

  • QNAP Systems Inc. · QTS

    • affected 5.0.x – < 5.0.1.2425 build 20230609
    • affected 5.1.x – < 5.1.0.2444 build 20230629
    • affected 4.5.x – < 4.5.4.2467 build 20230718

  • QNAP Systems Inc. · QuTS hero

    • affected h5.0.x – < h5.0.1.2515 build 20230907
    • affected h5.1.x – < h5.1.0.2424 build 20230609
    • affected h4.5.x – < h4.5.4.2476 build 20230728

  • QNAP Systems Inc. · QuTScloud

    • affected c5.x – < c5.1.0.2498

What to do

Solution: We have already fixed the vulnerability in the following versions: QTS 5.0.1.2425 build 20230609 and later QTS 5.1.0.2444 build 20230629 and later QTS 4.5.4.2467 build 20230718 and later QuTS hero h5.0.1.2515 build 20230907 and later QuTS hero h5.1.0.2424 build 20230609 and later QuTS hero h4.5.4.2476 build 20230728 and later QuTScloud c5.1.0.2498 and later

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2023-32973 badge
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Record last updated .