CVE-2001-0477

Status: ModifiedHigh (7.5)—

Vulnerability in WebCalendar 0.9.26 allows remote command execution.

CVSS

Version: 2.0
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P
Base score: 7.5

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 4.04%
Percentile among all scored CVEs: 90
Score date: 10/3/2026

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)

Webcalendar — Webcalendar

CWEs

NVD-CWE-Other

References

Raw JSON (NVD)

Show

{
  "id": "CVE-2001-0477",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2001-06-27T04:00:00.000",
  "references": [
    {
      "url": "http://archives.neohapsis.com/archives/bugtraq/2001-04/0392.html",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/2639",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://archives.neohapsis.com/archives/bugtraq/2001-04/0392.html",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/2639",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Vulnerability in WebCalendar 0.9.26 allows remote command execution."
    }
  ],
  "lastModified": "2026-06-16T21:54:22.853",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:webcalendar:webcalendar:0.9.8:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "AE2EABBA-AE17-44B6-9789-6E24D794A3A5"
            },
            {
              "criteria": "cpe:2.3:a:webcalendar:webcalendar:0.9.11:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "25AD3E54-46F8-4DE0-86CE-D5D3FF079787"
            },
            {
              "criteria": "cpe:2.3:a:webcalendar:webcalendar:0.9.15:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3857C666-0421-4EC8-80F4-2A62D44A1DDB"
            },
            {
              "criteria": "cpe:2.3:a:webcalendar:webcalendar:0.9.16:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6E9BB322-7C8F-4ACB-8809-2A96C0F9D65E"
            },
            {
              "criteria": "cpe:2.3:a:webcalendar:webcalendar:0.9.19:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9C4AA766-E1FC-4AEA-A2C6-9998A395F978"
            },
            {
              "criteria": "cpe:2.3:a:webcalendar:webcalendar:0.9.20:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "83918F72-9289-4C14-AC44-46A848DD0487"
            },
            {
              "criteria": "cpe:2.3:a:webcalendar:webcalendar:0.9.21:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8B1BCC1F-3031-49CB-95EF-C733D0A24EEF"
            },
            {
              "criteria": "cpe:2.3:a:webcalendar:webcalendar:0.9.22:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "EAC57185-15AA-414B-9779-AF89170B9E85"
            },
            {
              "criteria": "cpe:2.3:a:webcalendar:webcalendar:0.9.23:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2BCFF5B6-324C-43EC-AAF3-EBBA23C2C583"
            },
            {
              "criteria": "cpe:2.3:a:webcalendar:webcalendar:0.9.24:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C7E93824-0B9A-4B6C-A60B-78942160DF92"
            },
            {
              "criteria": "cpe:2.3:a:webcalendar:webcalendar:0.9.25:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C7D31CCF-3D1C-472F-B940-758A607111BC"
            },
            {
              "criteria": "cpe:2.3:a:webcalendar:webcalendar:0.9.26:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3E2B148A-C41F-44C7-A044-002F25FA06C8"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}