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EUVD-2021-7490

🗓️ 03 Oct 2025 20:07:09Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 1 Views

Buffer overflow in SonicOS can lead to Denial of Service from specially crafted requests.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
CNNVD
SonicWall SonicOS 缓冲区错误漏洞
14 Jun 202100:00
cnnvd
CNVD
SonicWall SonicOS Buffer Overflow Vulnerability (CNVD-2021-43371)
17 Jun 202100:00
cnvd
CVE
CVE-2021-20027
14 Jun 202122:30
cve
Cvelist
CVE-2021-20027
14 Jun 202122:30
cvelist
NCSC
Vulnerability fixed in SonicOS
15 Jun 202100:00
ncsc
NVD
CVE-2021-20027
14 Jun 202123:15
nvd
Prion
Buffer overflow
14 Jun 202123:15
prion
RedhatCVE
CVE-2021-20027
22 May 202519:05
redhatcve
SonicWall
SonicOS vulnerability involving improper neutralization of HTTP header resulting in unauthenticated Denial of Service (DoS)
13 Jun 202118:58
sonicwall
[
  {
    "enisaIdVendor": [
      {
        "id": "d6c33af8-c1f5-3a1d-995a-291b0541c0d8",
        "vendor": {
          "name": "SonicWall"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "0eb2b3c4-94c3-375c-ae4e-9302a95e25f9",
        "product": {
          "name": "SonicOS"
        },
        "product_version": "SonicOS 7.0.1-R1262 and earlier"
      },
      {
        "id": "1d7441c2-7a43-3ed5-a507-f04c06e464bd",
        "product": {
          "name": "SonicOS"
        },
        "product_version": "SonicOS 5.9.1.13 and earlier"
      },
      {
        "id": "303e85b5-13cf-3520-b2c4-d3e6ca16bb2c",
        "product": {
          "name": "SonicOS"
        },
        "product_version": "SonicOS 6.0.5.3 and earlier"
      },
      {
        "id": "39917384-f368-3508-a9c9-b8afd35b4b26",
        "product": {
          "name": "SonicOS"
        },
        "product_version": "SonicOS 6.5.1.12 and earlier"
      },
      {
        "id": "43939d26-ce33-33af-87af-0ff4f427b1eb",
        "product": {
          "name": "SonicOS"
        },
        "product_version": "SonicOS 6.5.4.7 and earlier"
      },
      {
        "id": "62f0418e-42ca-342b-b85b-603882a976fe",
        "product": {
          "name": "SonicOS"
        },
        "product_version": "SonicOS 7.0.1-R514 and earlier"
      },
      {
        "id": "9a653a04-ee9a-3657-8992-6765411039bd",
        "product": {
          "name": "SonicOS"
        },
        "product_version": "SonicOSv 6.5.4.4 and earlier"
      },
      {
        "id": "fd5e97cf-9fbe-32bb-bbb2-5f1f0b7330a2",
        "product": {
          "name": "SonicOS"
        },
        "product_version": "SonicOS 7.0.1-R1219 and earlier"
      }
    ]
  }
]

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03 Oct 2025 20:07Current
7.6High risk
Vulners AI Score7.6
CVSS 3.17.5
CVSS 25
EPSS0.00432
1