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CVE-2007-2171

Status: ModifiedHigh (10)—

Stack-based buffer overflow in the base64_decode function in GWINTER.exe in Novell GroupWise (GW) WebAccess before 7.0 SP2 allows remote attackers to execute arbitrary code via long base64 content in an HTTP Basic Authentication request.

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)

Novell — Groupwise

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2007-2171",
  "cveTags": [],
  "metrics": {
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        "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": true,
        "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": "2007-04-24T20:19:00.000",
  "references": [
    {
      "url": "http://download.novell.com/Download?buildid=8RF83go0nZg~",
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    {
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    {
      "url": "http://www.securityfocus.com/archive/1/466212/100/0/threaded",
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Stack-based buffer overflow in the base64_decode function in GWINTER.exe in Novell GroupWise (GW) WebAccess before 7.0 SP2 allows remote attackers to execute arbitrary code via long base64 content in an HTTP Basic Authentication request."
    },
    {
      "lang": "es",
      "value": "Desbordamiento de búfer basado en pila en la función base64_decode en GWINTER.exe en Novell GroupWise (GW) WebAccess anterior a 7.0 SP2 permite a atacantes remotos ejecutar código de su elección a través de un contenido grande en base64 en una respuesta HTTP Basic Authentication."
    }
  ],
  "lastModified": "2026-06-16T22:39:04.350",
  "configurations": [
    {
      "nodes": [
        {
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  "sourceIdentifier": "cve@mitre.org"
}