CVE-2008-3172

Status: ModifiedMedium (6.8)—

Opera allows web sites to set cookies for country-specific top-level domains that have DNS A records, such as co.tv, which could allow remote attackers to perform a session fixation attack and hijack a user's HTTP session, aka "Cross-Site Cooking."

CVSS

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

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 1.20%
Percentile among all scored CVEs: 67
Score date: 10/9/2026

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)

Opera — Opera

CWEs

CWE-264

References

Raw JSON (NVD)

Show

{
  "id": "CVE-2008-3172",
  "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": false,
        "userInteractionRequired": true
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2008-07-14T23:41:00.000",
  "references": [
    {
      "url": "http://crisp.tweakblogs.net/blog/ie-and-2-letter-domain-names.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://kuza55.blogspot.com/2008/02/understanding-cookie-security.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://o.bulport.com/index.php?item=55",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=252342",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/43951",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://crisp.tweakblogs.net/blog/ie-and-2-letter-domain-names.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://kuza55.blogspot.com/2008/02/understanding-cookie-security.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://o.bulport.com/index.php?item=55",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=252342",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/43951",
      "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": "Opera allows web sites to set cookies for country-specific top-level domains that have DNS A records, such as co.tv, which could allow remote attackers to perform a session fixation attack and hijack a user's HTTP session, aka \"Cross-Site Cooking.\""
    },
    {
      "lang": "es",
      "value": "Opera permite a sitios Web establecer cookies para dominios de nivel superior específicos de países que contienen registros DNS A, como co.tv, esto puede que permita a atacantes remotos ejecutar un ataque de fijación de sesión y secuestrar la sesión HTTP de un usuario, también conocido como \"Cooking de sitios cruzados\"."
    }
  ],
  "lastModified": "2026-06-16T22:55:17.790",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:opera:opera:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E55AA4C5-7075-4336-AFC0-F8981054F8D2"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}