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EUVD-2021-21003

🗓️ 07 Oct 2025 00:30:54Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 25 Views

Stack buffer overflow in QNAP QTS, QuTScloud, QuTS hero allows arbitrary code execution if exploited.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2021-34343
10 Sep 202112:05
–attackerkb
bdu_fstec
BDU FSTEC
QuTS hero Stack Buffer Overflow
21 Oct 202100:00
–bdu_fstec
cnnvd
CNNVD
QNAP NAS buffer error vulnerability
9 Sep 202100:00
–cnnvd
cve
CVE
CVE-2021-34343
10 Sep 202104:00
–cve
cvelist
Cvelist
CVE-2021-34343 Buffer Overflow Vulnerability in QTS, QuTS hero, and QuTScloud
10 Sep 202104:00
–cvelist
ncsc
NCSC
Vulnerabilities fixed in QNAP nas
15 Sep 202100:00
–ncsc
nvd
NVD
CVE-2021-34343
10 Sep 202104:15
–nvd
openvas
OpenVAS
QNAP QTS Buffer Overflow Vulnerabilities (QSA-21-33)
13 Sep 202100:00
–openvas
osv_cve
osv_cve
CVE-2021-34343
10 Sep 202104:15
–osv_cve
prion
Prion
Stack overflow
10 Sep 202104:15
–prion
Rows per page
[
  {
    "enisaIdVendor": [
      {
        "id": "d8b931d1-9bcb-3b69-a57a-acfabaaf5e2d",
        "vendor": {
          "name": "QNAP Systems Inc."
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "2b7ef9fe-a539-37c3-a98a-32a9398b6238",
        "product": {
          "name": "QuTS hero"
        },
        "product_version": "unspecified <h4.5.4.1771 build 20210825"
      },
      {
        "id": "9e4cac02-c3bc-3c22-9415-4ba11d7893c0",
        "product": {
          "name": "QuTScloud"
        },
        "product_version": "unspecified <c4.5.6.1755"
      },
      {
        "id": "bc16ca2f-75b4-31b0-bf77-5fedc0962d0a",
        "product": {
          "name": "QTS"
        },
        "product_version": "unspecified <5.0.0.1716 build 20210701"
      },
      {
        "id": "e12492e5-b89e-3f9a-b1e5-d48c0314ded5",
        "product": {
          "name": "QTS"
        },
        "product_version": "unspecified <4.5.4.1715 build 20210630"
      }
    ]
  }
]

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07 Oct 2025 00:30Current
7.7High risk
Vulners AI Score7.7
CVSS 3.16 - 7.2
CVSS 26.5
EPSS0.0195
25