« Back to list

CVE-2021-30356

Status: ModifiedHigh (8.1)—

A denial of service vulnerability was reported in Check Point Identity Agent before R81.018.0000, which could allow low privileged users to overwrite protected system files.

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 (1)

Checkpoint — Identity Agent

CWEs

References

Raw JSON (NVD)

Show
{
  "id": "CVE-2021-30356",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.1,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 5.2,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@checkpoint.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "Check Point Identity Agent",
          "versions": [
            {
              "status": "affected",
              "version": "before R81.018.0000"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-04-22T18:15:08.480",
  "references": [
    {
      "url": "https://supportcontent.checkpoint.com/solutions?id=sk134312",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@checkpoint.com"
    },
    {
      "url": "https://supportcontent.checkpoint.com/solutions?id=sk134312",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "cve@checkpoint.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-59"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A denial of service vulnerability was reported in Check Point Identity Agent before R81.018.0000, which could allow low privileged users to overwrite protected system files."
    },
    {
      "lang": "es",
      "value": "Se reportó una vulnerabilidad de Denegación de Servicio en Check Point Identity Agent versiones anteriores a R81.018.0000, que podría permitir a usuarios poco privilegiados sobrescribir archivos protegidos del sistema"
    }
  ],
  "lastModified": "2026-06-17T03:50:15.860",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:checkpoint:identity_agent:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "131908DA-33D7-43AF-8A1A-ABCA85954156",
              "versionEndExcluding": "r81.018.0000"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@checkpoint.com"
}