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CVE-2015-6520

Status: ModifiedHigh (7.5)—
Severity7.5High · CVSS 2.0
Exploitation probability2.43 %higher than 84% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitNot knownno public code found

IPPUSBXD before 1.22 listens on all interfaces, which allows remote attackers to obtain access to USB connected printers via a direct request.

CVSS

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

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days
2.43 %
Percentile among all scored CVEs
84
Score date
10/20/2026

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)

Ippusbxd Project — Ippusbxd

CWEs

References

Show 10 references

Raw JSON (NVD)

Show
{
  "id": "CVE-2015-6520",
  "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": "2015-09-01T14:59:03.900",
  "references": [
    {
      "url": "http://www.openwall.com/lists/oss-security/2015/08/11/1",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2015/08/18/11",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-2725-1",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://bugs.launchpad.net/ubuntu/+source/ippusbxd/+bug/1455644",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/tillkamppeter/ippusbxd/commit/46844402bca7a38fc224483ba6f0a93c4613203f",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2015/08/11/1",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2015/08/18/11",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.ubuntu.com/usn/USN-2725-1",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bugs.launchpad.net/ubuntu/+source/ippusbxd/+bug/1455644",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/tillkamppeter/ippusbxd/commit/46844402bca7a38fc224483ba6f0a93c4613203f",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-264"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "IPPUSBXD before 1.22 listens on all interfaces, which allows remote attackers to obtain access to USB connected printers via a direct request."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad en IPPUSBXD en las escuchas en todas las interfaces en versiones anteriores a 1.22, lo que permite a atacantes remotos obtener acceso a las impresoras conectadas por USB a través de una solicitud directa."
    }
  ],
  "lastModified": "2026-06-17T00:31:00.253",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ippusbxd_project:ippusbxd:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3693FBC5-BE1C-413C-8D0E-675CBFD1842D",
              "versionEndIncluding": "1.21.2"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}