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CVE-2015-7266

Status: ModifiedHigh (7.5)—

The Interactive Advertising Bureau (IAB) OpenRTB 2.3 protocol implementation might allow remote attackers to conceal the status of ad transactions and potentially compromise bid integrity by leveraging failure to limit the time between bid responses and impression notifications, aka the Amnesia Bug.

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)

IAB — Open Real-time Bidding

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2015-7266",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cret@cert.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2018-10-30T17:29:00.517",
  "references": [
    {
      "url": "http://media.pixalate.com/white-papers/xindi.pdf",
      "tags": [
        "Exploit",
        "Mitigation",
        "Third Party Advisory"
      ],
      "source": "cret@cert.org"
    },
    {
      "url": "http://media.pixalate.com/white-papers/xindi.pdf",
      "tags": [
        "Exploit",
        "Mitigation",
        "Third Party Advisory"
      ],
      "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": "The Interactive Advertising Bureau (IAB) OpenRTB 2.3 protocol implementation might allow remote attackers to conceal the status of ad transactions and potentially compromise bid integrity by leveraging failure to limit the time between bid responses and impression notifications, aka the Amnesia Bug."
    },
    {
      "lang": "es",
      "value": "La implementación del protocolo OpenRTB 2.3 en Interactive Advertising Bureau (IAB) podría permitir que atacantes remotos enmascaren el estado de las transacciones ad y comprometan la integridad de bid aprovechando el error a la hora de limitar el tiempo entre las respuestas bid y las notificaciones \"impression\". Esto también se conoce como \"Amnesia Bug\"."
    }
  ],
  "lastModified": "2026-06-17T00:32:09.593",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:iab:open_real-time_bidding:2.3:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "EB6D49D2-35D0-41A8-B5F1-43CA70067E83"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cret@cert.org"
}