FKIE_CVE-2021-20251

Vulnerability from fkie_nvd - Published: 2023-03-06 23:15 - Updated: 2024-11-21 05:46
Severity ?
5.9 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Summary
A flaw was found in samba. A race condition in the password lockout code may lead to the risk of brute force attacks being successful if special conditions are met.
References
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1929800Issue Tracking, Third Party Advisory
secalert@redhat.comhttps://bugzilla.samba.org/show_bug.cgi?id=14611Exploit, Issue Tracking, Third Party Advisory
secalert@redhat.comhttps://security.gentoo.org/glsa/202309-06
secalert@redhat.comhttps://security.netapp.com/advisory/ntap-20230331-0005/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=1929800Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.samba.org/show_bug.cgi?id=14611Exploit, Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202309-06
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20230331-0005/Third Party Advisory
Impacted products
Vendor Product Version
samba samba *
samba samba *
fedoraproject fedora 37
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "117BD99B-5201-47C9-8A0C-99C23BAACE76",
              "versionEndExcluding": "4.16.8",
              "versionStartIncluding": "4.1.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:samba:samba:*:*:*:*:*:*:*:*",
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              "versionEndExcluding": "4.17.4",
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            }
          ],
          "negate": false,
          "operator": "OR"
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    {
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              "vulnerable": true
            }
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          "negate": false,
          "operator": "OR"
        }
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw was found in samba. A race condition in the password lockout code may lead to the risk of brute force attacks being successful if special conditions are met."
    },
    {
      "lang": "es",
      "value": "Se ha encontrado un fallo en samba. Una condici\u00f3n de ejecuci\u00f3n en el c\u00f3digo de bloqueo de contrase\u00f1as puede conllevar el riesgo de que los ataques de fuerza bruta tengan \u00e9xito si se cumplen unas condiciones especiales."
    }
  ],
  "id": "CVE-2021-20251",
  "lastModified": "2024-11-21T05:46:12.853",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.9,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "version": "3.1"
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        "exploitabilityScore": 2.2,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
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  },
  "published": "2023-03-06T23:15:10.387",
  "references": [
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      "source": "secalert@redhat.com",
      "tags": [
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      "url": "https://security.gentoo.org/glsa/202309-06"
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      "tags": [
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      "url": "https://security.netapp.com/advisory/ntap-20230331-0005/"
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  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
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          "lang": "en",
          "value": "CWE-362"
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      "type": "Secondary"
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      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Sightings

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • 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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.