CVE-2011-4405

Status: ModifiedHigh (7.5)—

The cupshelpers scripts in system-config-printer in Ubuntu 11.04 and 11.10, as used by the automatic printer driver download service, uses an "insecure connection" for queries to the OpenPrinting database, which allows remote attackers to execute arbitrary code via a man-in-the-middle (MITM) attack that modifies packages or repositories.

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: 3.45%
Percentile among all scored CVEs: 89
Score date: 10/14/2026

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)

Canonical — Ubuntu Linux

CWEs

CWE-20

References

Raw JSON (NVD)

Show

{
  "id": "CVE-2011-4405",
  "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": "security@ubuntu.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2011-11-29T17:55:02.387",
  "references": [
    {
      "url": "http://osvdb.org/77214",
      "source": "security@ubuntu.com"
    },
    {
      "url": "http://secunia.com/advisories/46909",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security@ubuntu.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/50721",
      "source": "security@ubuntu.com"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-1265-1",
      "source": "security@ubuntu.com"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/71394",
      "source": "security@ubuntu.com"
    },
    {
      "url": "http://osvdb.org/77214",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/46909",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/50721",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-1265-1",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/71394",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The cupshelpers scripts in system-config-printer in Ubuntu 11.04 and 11.10, as used by the automatic printer driver download service, uses an \"insecure connection\" for queries to the OpenPrinting database, which allows remote attackers to execute arbitrary code via a man-in-the-middle (MITM) attack that modifies packages or repositories."
    },
    {
      "lang": "es",
      "value": "Los scripts cupshelpers en system-config-printer en Ubuntu v11.04 y v11.10, como es usado por el servicio de descarga del controlador automático de impresión, usa una \"conexión insegura\" para peticiones de la base de datos OpenPrinting, lo que permite a atacantes remotos ejecutar código de su elección a través de un ataque 'man-in-the-middle (MITM)' que modifica paquetes o repositorios."
    }
  ],
  "lastModified": "2026-06-16T23:34:52.590",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "EF49D26F-142E-468B-87C1-BABEA445255C"
            },
            {
              "criteria": "cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E4174F4F-149E-41A6-BBCC-D01114C05F38"
            }
          ],
          "operator": "OR"
        }
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  "sourceIdentifier": "security@ubuntu.com"
}