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CVE-2011-3061

Status: ModifiedMedium (5.8)—
Severity5.8Medium · CVSS 2.0
Exploitation probability0.97 %higher than 62% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitNot knownno public code found

Google Chrome before 18.0.1025.142 does not properly check X.509 certificates before use of a SPDY proxy, which might allow man-in-the-middle attackers to spoof servers or obtain sensitive information via a crafted certificate.

CVSS

Base score
5.8
Version
2.0
Vector
AV:N/AC:M/Au:N/C:P/I:P/A:N

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days
0.97 %
Percentile among all scored CVEs
62
Score date
10/22/2026

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)

Google — Chrome

CWEs

References

Show 20 references

Raw JSON (NVD)

Show
{
  "id": "CVE-2011-3061",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
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              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2012-03-30T22:55:01.587",
  "references": [
    {
      "url": "http://code.google.com/p/chromium/issues/detail?id=116398",
      "tags": [
        "Vendor Advisory"
      ],
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    },
    {
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    {
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      "tags": [
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      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/48618",
      "tags": [
        "Not Applicable"
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      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/48691",
      "tags": [
        "Not Applicable"
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      "source": "cve@mitre.org"
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    {
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      "tags": [
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      "source": "cve@mitre.org"
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    {
      "url": "http://www.securityfocus.com/bid/52762",
      "tags": [
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      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securitytracker.com/id?1026877",
      "tags": [
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    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/74411",
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      "tags": [
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    },
    {
      "url": "http://secunia.com/advisories/48618",
      "tags": [
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    {
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    },
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      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/74411",
      "tags": [
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        "VDB Entry"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14849",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-295"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Google Chrome before 18.0.1025.142 does not properly check X.509 certificates before use of a SPDY proxy, which might allow man-in-the-middle attackers to spoof servers or obtain sensitive information via a crafted certificate."
    },
    {
      "lang": "es",
      "value": "Las versiones de Google Chrome anteriores a v18.0.1025.142 no comprueban correctamente los certificados X.509 antes de su uso en un proxy SPDY, lo cual podría permitir un ataque del hombre en el medio (man-in-the-middle) suplantando los servidodores u obtener información sensible a través de un certificado modificado."
    }
  ],
  "lastModified": "2026-06-16T23:32:32.793",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B25C0401-A5AB-4396-A994-1405B13C0FEB",
              "versionEndExcluding": "18.0.1025.142"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}