CVE-2012-6134

Status: ModifiedMedium (6.8)—

Cross-site request forgery (CSRF) vulnerability in the omniauth-oauth2 gem 1.1.1 and earlier for Ruby allows remote attackers to hijack the authentication of users for requests that modify session state.

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: 10/7/2026

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)

Omniauth-oauth2 Project — Omniauth-oauth2

CWEs

CWE-352

References

Raw JSON (NVD)

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{
  "id": "CVE-2012-6134",
  "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": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2013-04-09T20:55:01.600",
  "references": [
    {
      "url": "http://rubysec.github.io/advisories/CVE-2012-6134/",
      "tags": [
        "Broken Link"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://seclists.org/oss-sec/2013/q1/304",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://gist.github.com/homakov/3673012",
      "tags": [
        "Broken Link"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://github.com/Shopify/omniauth-shopify-oauth2/pull/1",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://github.com/intridea/omniauth-oauth2/pull/25",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://rubysec.github.io/advisories/CVE-2012-6134/",
      "tags": [
        "Broken Link"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://seclists.org/oss-sec/2013/q1/304",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://gist.github.com/homakov/3673012",
      "tags": [
        "Broken Link"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/Shopify/omniauth-shopify-oauth2/pull/1",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/intridea/omniauth-oauth2/pull/25",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "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 omniauth-oauth2 gem 1.1.1 and earlier for Ruby allows remote attackers to hijack the authentication of users for requests that modify session state."
    },
    {
      "lang": "es",
      "value": "Múltiples vulnerabilidades de falsificación de petición en sitios cruzados (CSRF) en la gema omniauth-oauth2 v1.1.1 y anteriores para Ruby permite a atacantes remotos secuestrar la autenticación de usuarios para las peticiones que alternan los estados de sesión."
    }
  ],
  "lastModified": "2026-06-16T23:47:53.187",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:omniauth-oauth2_project:omniauth-oauth2:*:*:*:*:*:ruby:*:*",
              "vulnerable": true,
              "matchCriteriaId": "481334DF-FCC2-491A-BFE7-1F4D240E86D8",
              "versionEndExcluding": "1.1.1"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secalert@redhat.com"
}