CVE-2012-0053

Estado: ModificadaMedia (4.3)—
protocol.c in the Apache HTTP Server 2.2.x through 2.2.21 does not properly restrict header information during construction of Bad Request (aka 400) error documents, which allows remote attackers to obtain the values of HTTPOnly cookies via vectors involving a (1) long or (2) malformed header in conjunction with crafted web script.
CVSS

Versión: 2.0
Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N
Puntuación base: 4.3
Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 82%
Percentil entre todas las CVEs puntuadas: 100
Fecha de la puntuación: 5/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (11)

Apache — Http Server Debian — Debian Linux Opensuse — Opensuse Redhat — Enterprise Linux Desktop Redhat — Enterprise Linux EUS Redhat — Enterprise Linux Server Redhat — Enterprise Linux Workstation Redhat — Jboss Enterprise WEB Server Redhat — Storage Suse — Linux Enterprise Server Suse — Linux Enterprise Software Development KIT
CWE

NVD-CWE-noinfo
Referencias

JSON original (NVD)

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  "id": "CVE-2012-0053",
  "cveTags": [],
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        "type": "Primary",
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        "cvssData": {
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          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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      "affectedData": [
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          "product": "n/a",
          "versions": [
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              "version": "n/a"
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  "published": "2012-01-28T04:05:00.797",
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