FKIE_CVE-2021-46705

Vulnerability from fkie_nvd - Published: 2022-03-16 10:15 - Updated: 2026-06-17 04:15
Summary
A Insecure Temporary File vulnerability in grub-once of grub2 in SUSE Linux Enterprise Server 15 SP4, openSUSE Factory allows local attackers to truncate arbitrary files. This issue affects: SUSE Linux Enterprise Server 15 SP4 grub2 versions prior to 2.06-150400.7.1. SUSE openSUSE Factory grub2 versions prior to 2.06-18.1.
References
Impacted products
Vendor Product Version
gnu grub2 *
suse linux_enterprise_server 15
gnu grub2 *
opensuse factory -

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "SUSE Linux Enterprise Server 15 SP4",
          "vendor": "SUSE",
          "versions": [
            {
              "lessThan": "2.06-150400.7.1",
              "status": "affected",
              "version": "grub2",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "openSUSE Factory",
          "vendor": "SUSE",
          "versions": [
            {
              "lessThan": "2.06-18.1",
              "status": "affected",
              "version": "grub2",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "meissner@suse.de"
    }
  ],
  "configurations": [
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              "versionEndExcluding": "2.06-150400.7.1",
              "vulnerable": true
            }
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A Insecure Temporary File vulnerability in grub-once of grub2 in SUSE Linux Enterprise Server 15 SP4, openSUSE Factory allows local attackers to truncate arbitrary files. This issue affects: SUSE Linux Enterprise Server 15 SP4 grub2 versions prior to 2.06-150400.7.1. SUSE openSUSE Factory grub2 versions prior to 2.06-18.1."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de Archivos Temporales no Seguros en grub-once de grub2 en SUSE Linux Enterprise Server 15 SP4, openSUSE Factory permite a atacantes locales truncar archivos arbitrarios. Este problema afecta a: SUSE Linux Enterprise Server 15 SP4 grub2 versiones anteriores a 2.06-150400.7.1. SUSE openSUSE Factory grub2 versiones anteriores a 2.06-18.1"
    }
  ],
  "id": "CVE-2021-46705",
  "lastModified": "2026-06-17T04:15:24.463",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 2.1,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
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        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "LOW",
          "baseScore": 5.1,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L",
          "version": "3.1"
        },
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        "impactScore": 2.5,
        "source": "meissner@suse.de",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "LOW",
          "baseScore": 4.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L",
          "version": "3.1"
        },
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        "impactScore": 2.5,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2022-03-16T10:15:08.150",
  "references": [
    {
      "source": "meissner@suse.de",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Vendor Advisory"
      ],
      "url": "https://bugzilla.suse.com/show_bug.cgi?id=1190474"
    },
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      "tags": [
        "Exploit",
        "Issue Tracking",
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      ],
      "url": "https://bugzilla.suse.com/show_bug.cgi?id=1190474"
    }
  ],
  "sourceIdentifier": "meissner@suse.de",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-377"
        }
      ],
      "source": "meissner@suse.de",
      "type": "Secondary"
    }
  ]
}



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