« Back to list

CVE-2021-37726

Status: ModifiedCritical (9.8)—

A remote buffer overflow vulnerability was discovered in HPE Aruba Instant (IAP) version(s): Aruba Instant 8.7.x.x: 8.7.0.0 through 8.7.1.2. Aruba has released patches for Aruba Instant (IAP) that address this security vulnerability.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (2)

CWEs

References

Raw JSON (NVD)

Show
{
  "id": "CVE-2021-37726",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 10,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "security-alert@hpe.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "HPE Aruba Instant (IAP)",
          "versions": [
            {
              "status": "affected",
              "version": "Aruba Instant 8.7.x.x: 8.7.0.0 through 8.7.1.2"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-10-12T15:15:07.797",
  "references": [
    {
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-917476.pdf",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "security-alert@hpe.com"
    },
    {
      "url": "https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2021-017.txt",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security-alert@hpe.com"
    },
    {
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-917476.pdf",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2021-017.txt",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A remote buffer overflow vulnerability was discovered in HPE Aruba Instant (IAP) version(s): Aruba Instant 8.7.x.x: 8.7.0.0 through 8.7.1.2. Aruba has released patches for Aruba Instant (IAP) that address this security vulnerability."
    },
    {
      "lang": "es",
      "value": "Se ha detectado una vulnerabilidad de desbordamiento de búfer remoto en HPE Aruba Instant (IAP) versiones: Aruba Instant 8.7.x.x: 8.7.0.0 hasta 8.7.1.2. Aruba ha publicado parches para Aruba Instant (IAP) que abordan esta vulnerabilidad de seguridad"
    }
  ],
  "lastModified": "2026-06-17T04:01:03.880",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:arubanetworks:aruba_instant:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9A9E47A0-EFDD-493A-A7C5-02A2A8897767",
              "versionEndExcluding": "8.7.1.3",
              "versionStartIncluding": "8.7.0.0"
            }
          ],
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:siemens:scalance_w1750d_firmware:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B4603220-61F1-4686-B55D-F9F5D27F324A",
              "versionEndExcluding": "8.7.1.3"
            }
          ],
          "operator": "OR"
        },
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:siemens:scalance_w1750d:-:*:*:*:*:*:*:*",
              "vulnerable": false,
              "matchCriteriaId": "FBC30055-239F-4BB1-B2D1-E5E35F0D8911"
            }
          ],
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "sourceIdentifier": "security-alert@hpe.com"
}