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CVE-2021-25321

Estado: ModificadaAlta (7.8)—

A UNIX Symbolic Link (Symlink) Following vulnerability in arpwatch of SUSE Linux Enterprise Server 11-SP4-LTSS, SUSE Manager Server 4.0, SUSE OpenStack Cloud Crowbar 9; openSUSE Factory, Leap 15.2 allows local attackers with control of the runtime user to run arpwatch as to escalate to root upon the next restart of arpwatch. This issue affects: SUSE Linux Enterprise Server 11-SP4-LTSS arpwatch versions prior to 2.1a15. SUSE Manager Server 4.0 arpwatch versions prior to 2.1a15. SUSE OpenStack Cloud Crowbar 9 arpwatch versions prior to 2.1a15. openSUSE Factory arpwatch version 2.1a15-169.5 and prior versions. openSUSE Leap 15.2 arpwatch version 2.1a15-lp152.5.5 and prior versions.

CVSS

Probabilidad de explotación (EPSS)

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 (1)

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2021-25321",
  "cveTags": [],
  "metrics": {
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        "source": "nvd@nist.gov",
        "cvssData": {
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          "baseScore": 7.2,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
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        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
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    "cvssMetricV31": [
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        "type": "Secondary",
        "source": "meissner@suse.de",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.8,
          "attackVector": "LOCAL",
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
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        "exploitabilityScore": 1.8
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  "affected": [
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          "product": "SUSE Linux Enterprise Server 11-SP4-LTSS",
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          "vendor": "SUSE",
          "product": "SUSE OpenStack Cloud Crowbar 9",
          "versions": [
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              "status": "affected",
              "version": "arpwatch",
              "lessThan": "2.1a15",
              "versionType": "custom"
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          "vendor": "openSUSE",
          "product": "Factory",
          "versions": [
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              "version": "arpwatch",
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              "lessThanOrEqual": "2.1a15-169.5"
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        {
          "vendor": "openSUSE",
          "product": "Leap 15.2",
          "versions": [
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              "version": "arpwatch",
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              "lessThanOrEqual": "2.1a15-lp152.5.5"
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  ],
  "published": "2021-06-30T09:15:08.150",
  "references": [
    {
      "url": "https://bugzilla.suse.com/show_bug.cgi?id=1186240",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Vendor Advisory"
      ],
      "source": "meissner@suse.de"
    },
    {
      "url": "https://bugzilla.suse.com/show_bug.cgi?id=1186240",
      "tags": [
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        "Issue Tracking",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "meissner@suse.de",
      "description": [
        {
          "lang": "en",
          "value": "CWE-61"
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      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
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      ]
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A UNIX Symbolic Link (Symlink) Following vulnerability in arpwatch of SUSE Linux Enterprise Server 11-SP4-LTSS, SUSE Manager Server 4.0, SUSE OpenStack Cloud Crowbar 9; openSUSE Factory, Leap 15.2 allows local attackers with control of the runtime user to run arpwatch as to escalate to root upon the next restart of arpwatch. This issue affects: SUSE Linux Enterprise Server 11-SP4-LTSS arpwatch versions prior to 2.1a15. SUSE Manager Server 4.0 arpwatch versions prior to 2.1a15. SUSE OpenStack Cloud Crowbar 9 arpwatch versions prior to 2.1a15. openSUSE Factory arpwatch version 2.1a15-169.5 and prior versions. openSUSE Leap 15.2 arpwatch version 2.1a15-lp152.5.5 and prior versions."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de Seguimiento de Enlaces Simbólicos UNIX (Symlink) en arpwatch de SUSE Linux Enterprise Server 11-SP4-LTSS, SUSE Manager Server versión 4.0, SUSE OpenStack Cloud Crowbar versión 9; openSUSE Factory, Leap versión 15.2, permite a atacantes locales con control del usuario en runtime ejecutar arpwatch como escalar a root en el siguiente reinicio de arpwatch. Este problema afecta a: SUSE Linux Enterprise Server 11-SP4-LTSS arpwatch versiones anteriores a 2.1a15. SUSE Manager Server 4.0 arpwatch versiones anteriores a 2.1a15. SUSE OpenStack Cloud Crowbar 9 versiones arpwatch anteriores a 2.1a15. openSUSE Factory versión arpwatch 2.1a15-169.5 y versiones anteriores. openSUSE Leap 15.2 versión arpwatch 2.1a15-lp152.5.5 y versiones anteriores"
    }
  ],
  "lastModified": "2026-06-17T03:41:49.507",
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}