FKIE_CVE-2026-21939

Vulnerability from fkie_nvd - Published: 2026-01-20 22:15 - Updated: 2026-01-29 20:34
Severity ?
7.0 (High) - CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
7.0 (High) - CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
Vulnerability in the SQLcl component of Oracle Database Server. Supported versions that are affected are 23.4.0-23.26.0. Difficult to exploit vulnerability allows unauthenticated attacker with logon to the infrastructure where SQLcl executes to compromise SQLcl. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in takeover of SQLcl. CVSS 3.1 Base Score 7.0 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H).
References
secalert_us@oracle.comhttps://www.oracle.com/security-alerts/cpujan2026.htmlVendor Advisory
Impacted products
Vendor Product Version
oracle database_server *
To clipboard 

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              "criteria": "cpe:2.3:a:oracle:database_server:*:*:*:*:*:*:*:*",
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              "versionEndIncluding": "23.26",
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  "descriptions": [
    {
      "lang": "en",
      "value": "Vulnerability in the SQLcl component of Oracle Database Server.  Supported versions that are affected are 23.4.0-23.26.0. Difficult to exploit vulnerability allows unauthenticated attacker with logon to the infrastructure where SQLcl executes to compromise SQLcl.  Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in takeover of SQLcl. CVSS 3.1 Base Score 7.0 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H)."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad en el componente SQLcl de Oracle Database Server. Las versiones compatibles que est\u00e1n afectadas son 23.4.0-23.26.0. Vulnerabilidad dif\u00edcil de explotar permite a un atacante no autenticado con inicio de sesi\u00f3n en la infraestructura donde se ejecuta SQLcl comprometer SQLcl. Los ataques exitosos requieren interacci\u00f3n humana de una persona que no sea el atacante. Los ataques exitosos de esta vulnerabilidad pueden resultar en la toma de control de SQLcl. Puntuaci\u00f3n base CVSS 3.1 de 7.0 (Impactos en la Confidencialidad, Integridad y Disponibilidad). Vector CVSS: (CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H)."
    }
  ],
  "id": "CVE-2026-21939",
  "lastModified": "2026-01-29T20:34:46.243",
  "metrics": {
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          "attackVector": "LOCAL",
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          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
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          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
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          "version": "3.1"
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        "exploitabilityScore": 1.0,
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        "source": "nvd@nist.gov",
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  "published": "2026-01-20T22:15:56.663",
  "references": [
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      "tags": [
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      "url": "https://www.oracle.com/security-alerts/cpujan2026.html"
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.