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Security advisory

Type: advisorySources: OSVCVE: CVE-2021-23214

When the server is configured to use trust authentication with a clientcert requirement or to use cert authentication, a man-in-the-middle attacker can inject arbitrary SQL queries when a connection is first established, despite the use of SSL certificate verification and encryption.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2021-23214
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 12:37 UTC · Revision 1

Source evidence

CVE-2021-23214

core-osv · Original source

Published 4 Mar 2022, 16:15 UTC

When the server is configured to use trust authentication with a clientcert requirement or to use cert authentication, a man-in-the-middle attacker can inject arbitrary SQL queries when a connection is first established, despite the use of SSL certificate verification and encryption.

osv:CVE-2021-23214
Complete source record
{
  "id": "e527cafa158ae9ab8950d6e676655bc15f562778b7fb4b332bda84dcfc86c616",
  "url": "https://osv.dev/vulnerability/CVE-2021-23214",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-23214",
    "summary": "When the server is configured to use trust authentication with a clientcert requirement or to use cert authentication, a man-in-the-middle attacker can inject arbitrary SQL queries when a connection is first established, despite the use of SSL certificate verification and encryption.",
    "evidence": "osv:CVE-2021-23214",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2021-23214",
      "aliases": [
        "BIT-postgresql-2021-23214",
        "CVE-2021-23214"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
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              "repo": "https://github.com/postgres/postgres",
              "type": "GIT",
              "events": [
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                {
                  "fixed": "a4116b8d5a4f68803452d8f1aa3f74f302049a90"
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                },
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                {
                  "fixed": "8a94efd9bb71c2d5473836ce4899aedb9b4cfb2e"
                },
                {
                  "introduced": "29be9983a64c011eac0b9ee29895cce71e15ea77"
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                {
                  "fixed": "084346ccee8ead6b387a90cdf6a29036ae9ec77e"
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                        "fixed": "10.19"
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                    ],
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                  {
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                    ],
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                      {
                        "fixed": "13.5"
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                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:postgresql:postgresql:14.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "14.0"
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                      {
                        "last_affected": "14.0"
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                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:redhat:software_collections:1.0:*:*:*:*:*:*:*",
                    "range": [
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                        "introduced": "1.0"
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                        "last_affected": "1.0"
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                  },
                  {
                    "cpe": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*",
                    "range": [
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                        "introduced": "8.0"
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                        "last_affected": "8.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:8.0:*:*:*:*:*:*:*",
                    "range": [
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                        "introduced": "8.0"
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                        "last_affected": "8.0"
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                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:8.0:*:*:*:*:*:*:*",
                    "range": [
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                  },
                  {
                    "range": [
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                        "fixed": "28e24125541545483093819efae9bca603441951"
                      }
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                    "source": "REFERENCES_COMMIT"
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                ]
              }
            }
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            "8.0",
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            "REL_11_9",
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            "REL_12_3",
            "REL_10_12",
            "REL_11_7",
            "REL_12_2",
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            "REL_11_0",
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            "REL_10_4",
            "REL_10_3",
            "REL_10_2",
            "REL_10_1",
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            "REL8_0_0",
            "REL8_0_0RC5",
            "REL8_0_0RC4",
            "REL8_0_0RC3",
            "REL8_0_0RC2",
            "REL8_0_0RC1",
            "REL8_0_0BETA5",
            "REL8_0_0BETA4",
            "REL8_0_0BETA3",
            "REL8_0_0BETA2",
            "REL8_0_0BETA1",
            "REL7_4_RC1",
            "REL7_4_BETA5",
            "REL7_4_BETA4",
            "REL7_4_BETA3",
            "REL7_4_BETA2",
            "REL7_4_BETA1",
            "REL7_2",
            "REL7_2_RC2",
            "REL7_2_RC1",
            "REL7_2_BETA5",
            "REL7_2_BETA4",
            "REL7_2_BETA3",
            "REL7_2_BETA2",
            "REL7_2_BETA1",
            "REL7_1",
            "REL7_1_BETA3",
            "REL7_1_BETA2",
            "REL7_1_BETA",
            "REL7_0",
            "REL6_5",
            "REL6_3_2",
            "release-6-3",
            "REL6_3",
            "REL6_2_1",
            "REL6_2",
            "REL6_1_1",
            "REL6_1",
            "Release_2_0_0",
            "Release_1_0_2",
            "Release_2_0",
            "PG95-1_01"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-23214.json",
            "vanir_signatures": [
              {
                "id": "CVE-2021-23214-105eea8c",
                "digest": {
                  "length": 6502,
                  "function_hash": "3811890202093623500044753568135729362"
                },
                "source": "https://github.com/postgres/postgres/commit/28e24125541545483093819efae9bca603441951",
                "target": {
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                  "function": "ProcessStartupPacket"
                },
                "deprecated": false,
                "signature_type": "Function",
                "signature_version": "v1"
              },
              {
                "id": "CVE-2021-23214-55642aa1",
                "digest": {
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                  "line_hashes": [
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                "deprecated": false,
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              {
                "id": "CVE-2021-23214-a802c310",
                "digest": {
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                "source": "https://github.com/postgres/postgres/commit/28e24125541545483093819efae9bca603441951",
                "target": {
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                "deprecated": false,
                "signature_type": "Line",
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              },
              {
                "id": "CVE-2021-23214-ee44c440",
                "digest": {
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                "source": "https://github.com/postgres/postgres/commit/28e24125541545483093819efae9bca603441951",
                "target": {
                  "file": "src/include/libpq/libpq.h"
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                "signature_version": "v1"
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            ],
            "vanir_signatures_modified": "2026-10-20T14:06:40Z"
          }
        }
      ],
      "modified": "2026-10-20T14:06:40.563242287Z",
      "provider": "osv",
      "references": [
        "https://git.postgresql.org/gitweb/?p=postgresql.git%3Ba=commit%3Bh=28e24125541545483093819efae9bca603441951",
        "https://security.gentoo.org/glsa/202211-04",
        "https://www.postgresql.org/support/security/CVE-2021-23214/",
        "https://bugzilla.redhat.com/show_bug.cgi?id=2022666",
        "https://github.com/postgres/postgres/commit/28e24125541545483093819efae9bca603441951"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
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            "cpes": [
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            ],
            "vendor_product": "fedoraproject:fedora",
            "extracted_events": [
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                    "last_affected": "34"
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                    "introduced": "35"
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                "source": "CPE_STRING"
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    },
    "related_cves": [
      {
        "value": "CVE-2021-23214",
        "evidence": "/id"
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    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 388560,
  "published_at": "2022-03-04T16:15:08.293+00:00"
}