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Medium

Security advisory

Type: advisorySources: OSVCVE: CVE-2021-2038

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Components Services). Supported versions that are affected are 8.0.22 and prior. Difficult to exploit vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H).

Products
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Affected versions
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Fixed versions
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CVEs
CVE-2021-2038
Confirmed fixed CVEs
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Updated in this feed
1 Nov 2026, 07:33 UTC · Revision 1

Source evidence

CVE-2021-2038

core-osv · Original source

Published 20 Jan 2021, 15:15 UTC

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Components Services). Supported versions that are affected are 8.0.22 and prior. Difficult to exploit vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H).

osv:CVE-2021-2038
Complete source record
{
  "id": "2eacf471652b007e06ca3b3f598bc6973eedabda9771295f51f7a8387dab7b03",
  "url": "https://osv.dev/vulnerability/CVE-2021-2038",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-2038",
    "summary": "Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Components Services). Supported versions that are affected are 8.0.22 and prior. Difficult to exploit vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.4 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H).",
    "evidence": "osv:CVE-2021-2038",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-2038",
      "aliases": [
        "CVE-2021-2038"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/mysql/mysql-server",
              "type": "GIT",
              "events": [
                {
                  "introduced": "270fd3411e3d671a73ed9725940a30080f59ce6d"
                },
                {
                  "last_affected": "ee4455a33b10f1b1886044322e4893f587b319ed"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:oracle:mysql:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "8.0.0"
                      },
                      {
                        "last_affected": "8.0.22"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-2038.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:54.815736001Z",
      "provider": "osv",
      "references": [
        "https://security.gentoo.org/glsa/202105-27",
        "https://security.netapp.com/advisory/ntap-20210219-0003/",
        "https://www.oracle.com/security-alerts/cpujan2021.html"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-2038",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 438277,
  "published_at": "2021-01-20T15:15:47.877+00:00"
}