FKIE_CVE-2021-3514

Vulnerability from fkie_nvd - Published: 2021-05-28 15:15 - Updated: 2026-06-17 04:05
Severity
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
When using a sync_repl client in 389-ds-base, an authenticated attacker can cause a NULL pointer dereference using a specially crafted query, causing a crash.
References
secalert@redhat.comhttps://github.com/389ds/389-ds-base/issues/4711Third Party Advisory
secalert@redhat.comhttps://lists.debian.org/debian-lts-announce/2023/04/msg00026.html
af854a3a-2127-422b-91ae-364da2661108https://github.com/389ds/389-ds-base/issues/4711Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2023/04/msg00026.html
Impacted products
Vendor Product Version
redhat 389_directory_server -
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "389-ds-base",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "389-ds-base 1.4.3"
            }
          ]
        }
      ],
      "source": "secalert@redhat.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:redhat:389_directory_server:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "A861110D-0BBC-4052-BBFD-F718F6CD72C5",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "When using a sync_repl client in 389-ds-base, an authenticated attacker can cause a NULL pointer dereference using a specially crafted query, causing a crash."
    },
    {
      "lang": "es",
      "value": "Cuando es usado un cliente sync_repl en 389-ds-base, un atacante autenticado puede causar una desreferencia del puntero NULL usando una consulta especialmente dise\u00f1ada, causando un bloqueo"
    }
  ],
  "id": "CVE-2021-3514",
  "lastModified": "2026-06-17T04:05:16.263",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-05-28T15:15:09.253",
  "references": [
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/389ds/389-ds-base/issues/4711"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://lists.debian.org/debian-lts-announce/2023/04/msg00026.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/389ds/389-ds-base/issues/4711"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.debian.org/debian-lts-announce/2023/04/msg00026.html"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ],
      "source": "secalert@redhat.com",
      "type": "Secondary"
    }
  ]
}



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