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CVE-2009-0471

Status: ModifiedMedium (6.8)—
Severity6.8Medium · CVSS 2.0
Exploitation probability0.69 %higher than 52% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitNot knownno public code found

Cross-site request forgery (CSRF) vulnerability in the HTTP server in Cisco IOS 12.4(23) allows remote attackers to execute arbitrary commands, as demonstrated by executing the hostname command with a level/15/configure/-/hostname request.

CVSS

Base score
6.8
Version
2.0
Vector
AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days
0.69 %
Percentile among all scored CVEs
52
Score date
10/22/2026

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)

Cisco — IOS

CWEs

References

Show 4 references

Raw JSON (NVD)

Show
{
  "id": "CVE-2009-0471",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": true,
        "userInteractionRequired": true
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2009-02-06T19:30:00.547",
  "references": [
    {
      "url": "http://secunia.com/advisories/33844",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/500674/100/0/threaded",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/33844",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/500674/100/0/threaded",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-352"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Cross-site request forgery (CSRF) vulnerability in the HTTP server in Cisco IOS 12.4(23) allows remote attackers to execute arbitrary commands, as demonstrated by executing the hostname command with a level/15/configure/-/hostname request."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de falsificación de petición en sitios cruzados (CSRF) en el servidor HTTP en in Cisco IOS v12.4(23) permite a atacantes remotos ejecutar comandos de su elección, como se demostró ejecutando el comando hostname con una petición level/15/configure/-/hostname."
    }
  ],
  "lastModified": "2026-06-16T23:05:06.710",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:cisco:ios:12.4\\(23\\):*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6A3B5CC3-A83E-4241-ACE1-0FFEE8A5EFE9"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}