FKIE_CVE-2021-23239

Vulnerability from fkie_nvd - Published: 2021-01-12 09:15 - Updated: 2026-06-17 03:38
Severity
2.5 (Low) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Summary
The sudoedit personality of Sudo before 1.9.5 may allow a local unprivileged user to perform arbitrary directory-existence tests by winning a sudo_edit.c race condition in replacing a user-controlled directory by a symlink to an arbitrary path.
References
cve@mitre.orghttps://bugzilla.suse.com/show_bug.cgi?id=CVE-2021-23239Exploit, Issue Tracking, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2022/11/msg00007.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EE42Y35SMJOLONAIBNYNFC7J44UUZ2Y6/
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GMY4VSSBIND7VAYSN6T7XIWJRWG4GBB3/
cve@mitre.orghttps://security.gentoo.org/glsa/202101-33Third Party Advisory
cve@mitre.orghttps://security.netapp.com/advisory/ntap-20210129-0010/Third Party Advisory
cve@mitre.orghttps://www.sudo.ws/stable.html#1.9.5Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.suse.com/show_bug.cgi?id=CVE-2021-23239Exploit, Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2022/11/msg00007.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EE42Y35SMJOLONAIBNYNFC7J44UUZ2Y6/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GMY4VSSBIND7VAYSN6T7XIWJRWG4GBB3/
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202101-33Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20210129-0010/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.sudo.ws/stable.html#1.9.5Release Notes, Vendor Advisory
Impacted products
Vendor Product Version
sudo_project sudo *
sudo_project sudo *
netapp cloud_backup -
netapp hci_management_node -
netapp solidfire -
fedoraproject fedora 32
fedoraproject fedora 33
debian debian_linux 10.0
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
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        }
      ],
      "source": "cve@mitre.org"
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The sudoedit personality of Sudo before 1.9.5 may allow a local unprivileged user to perform arbitrary directory-existence tests by winning a sudo_edit.c race condition in replacing a user-controlled directory by a symlink to an arbitrary path."
    },
    {
      "lang": "es",
      "value": "La personalidad sudoedit de Sudo versiones anteriores a 1.9.5, puede permitir a un usuario local poco privilegiado llevar a cabo pruebas arbitrarias de existencia de directorio al ganar una condici\u00f3n de carrera en el archivo sudo_edit.c al reemplazar un directorio controlado por el usuario por un enlace simb\u00f3lico a una ruta arbitraria"
    }
  ],
  "id": "CVE-2021-23239",
  "lastModified": "2026-06-17T03:38:27.750",
  "metrics": {
    "cvssMetricV2": [
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        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 1.9,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:M/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 3.4,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
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    ],
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          "attackVector": "LOCAL",
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          "baseScore": 2.5,
          "baseSeverity": "LOW",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N",
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  "published": "2021-01-12T09:15:14.043",
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  "vulnStatus": "Modified",
  "weaknesses": [
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          "lang": "en",
          "value": "CWE-59"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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