Refine your search

1 vulnerability found for cbor-sync by PelionIoT

CVE-2020-37280 (GCVE-0-2020-37280)
Vulnerability from cvelistv5
Published
2026-10-12 20:55
Modified
2026-10-13 16:52
CWE
  • CWE-789 - Memory Allocation with Excessive Size Value
Summary
cbor-sync through 1.0.4 contains a resource exhaustion vulnerability in CBOR.decode that trusts declared array and map lengths without checking remaining input. Remote attackers can supply a tiny crafted CBOR payload declaring huge lengths to drive billions of iterations, exhausting CPU and process memory.
Impacted products
Vendor Product Version
PelionIoT cbor-sync Version: 0   ≤ 1.0.4
Create a notification for this product.
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2020-37280",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-10-13T16:22:06.815030Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-10-13T16:52:41.604Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageURL": "pkg:npm/cbor-sync",
          "product": "cbor-sync",
          "repo": "https://github.com/PelionIoT/cbor-sync",
          "vendor": "PelionIoT",
          "versions": [
            {
              "lessThanOrEqual": "1.0.4",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Mohammed Arfath A"
        },
        {
          "lang": "en",
          "type": "finder",
          "value": "headlessme"
        },
        {
          "lang": "en",
          "type": "finder",
          "value": "joszamama"
        }
      ],
      "datePublic": "2020-11-10T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "cbor-sync through 1.0.4 contains a resource exhaustion vulnerability in CBOR.decode that trusts declared array and map lengths without checking remaining input. Remote attackers can supply a tiny crafted CBOR payload declaring huge lengths to drive billions of iterations, exhausting CPU and process memory."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "privilegesRequired": "NONE",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE"
          },
          "format": "CVSS"
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-789",
              "description": "Memory Allocation with Excessive Size Value",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-12T20:55:04.662Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "name": "GitHub Pull Request #4",
          "tags": [
            "issue-tracking",
            "patch"
          ],
          "url": "https://github.com/PelionIoT/cbor-sync/pull/4"
        },
        {
          "name": "GitHub Issue #6",
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/PelionIoT/cbor-sync/issues/6"
        },
        {
          "tags": [
            "product"
          ],
          "url": "https://github.com/PelionIoT/cbor-sync"
        },
        {
          "name": "VulnCheck Advisory: cbor-sync through 1.0.4 Memory Exhaustion via Unchecked CBOR Array Lengths",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/cbor-sync-through-1.0.4-memory-exhaustion-via-unchecked-cbor-array-lengths"
        }
      ],
      "title": "cbor-sync through 1.0.4 Memory Exhaustion via Unchecked CBOR Array Lengths",
      "x_generator": {
        "engine": "vulncheck-endgame"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2020-37280",
    "datePublished": "2026-10-12T20:55:04.662Z",
    "dateReserved": "2026-10-12T19:27:44.866Z",
    "dateUpdated": "2026-10-13T16:52:41.604Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}