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CVE-2011-2345

Status: ModifiedMedium (4.3)—
Severity4.3Medium · CVSS 2.0
Exploitation probability1.13 %higher than 66% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitNot knownno public code found

The NPAPI implementation in Google Chrome before 12.0.742.112 does not properly handle strings, which allows remote attackers to cause a denial of service (out-of-bounds read) via unspecified vectors.

CVSS

Base score
4.3
Version
2.0
Vector
AV:N/AC:M/Au:N/C:N/I:N/A:P

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days
1.13 %
Percentile among all scored CVEs
66
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 10 references

Raw JSON (NVD)

Show
{
  "id": "CVE-2011-2345",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ]
  },
  "affected": [
    {
      "source": "chrome-cve-admin@google.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2011-06-29T17:55:04.270",
  "references": [
    {
      "url": "http://code.google.com/p/chromium/issues/detail?id=77493",
      "source": "chrome-cve-admin@google.com"
    },
    {
      "url": "http://googlechromereleases.blogspot.com/2011/06/stable-channel-update_28.html",
      "source": "chrome-cve-admin@google.com"
    },
    {
      "url": "http://secunia.com/advisories/45097",
      "source": "chrome-cve-admin@google.com"
    },
    {
      "url": "http://www.securitytracker.com/id?1025730",
      "source": "chrome-cve-admin@google.com"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14411",
      "source": "chrome-cve-admin@google.com"
    },
    {
      "url": "http://code.google.com/p/chromium/issues/detail?id=77493",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://googlechromereleases.blogspot.com/2011/06/stable-channel-update_28.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/45097",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id?1025730",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14411",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The NPAPI implementation in Google Chrome before 12.0.742.112 does not properly handle strings, which allows remote attackers to cause a denial of service (out-of-bounds read) via unspecified vectors."
    },
    {
      "lang": "es",
      "value": "La implementación de NPAPI en Google Chrome antes de v12.0.742.112 no maneja adecuadamente las cadenas, lo que permite a atacantes remotos provocar una denegación de servicio (lectura fuera de límites) a través de vectores no especificados."
    }
  ],
  "lastModified": "2026-06-16T23:31:08.980",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E0768F56-18C8-476C-B402-ED2522C46EC8",
              "versionEndExcluding": "12.0.742.112"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "chrome-cve-admin@google.com"
}