Vulnerability-Lookup

OESA-2022-2127 (CVE-2021-46854)

Vulnerability from osv_openeuler – Published: 2022-12-05 11:05 – Updated: 2026-08-06 11:05 – Source website

Summary

proftpd security update

Details

ProFTPD is an enhanced FTP server with a focus toward simplicity, security, and ease of configuration. It features a very Apache-like configuration syntax, and a highly customizable server infrastructure, including support for multiple 'virtual' FTP servers, anonymous FTP, and permission-based directory visibility.

Security Fix(es):

mod_radius in ProFTPD before 1.3.7c allows memory disclosure to RADIUS servers because it copies blocks of 16 characters.(CVE-2021-46854)

Severity

6.5 (Medium)


                    
                      CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

URL

Type

	https://www.openeuler.org/en/security/safety-bull…	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2021-46854	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "aarch64": [
          "proftpd-postgresql-1.3.7a-2.oe1.aarch64.rpm",
          "proftpd-1.3.7a-2.oe1.aarch64.rpm",
          "proftpd-mysql-1.3.7a-2.oe1.aarch64.rpm",
          "proftpd-utils-1.3.7a-2.oe1.aarch64.rpm",
          "proftpd-devel-1.3.7a-2.oe1.aarch64.rpm",
          "proftpd-debuginfo-1.3.7a-2.oe1.aarch64.rpm",
          "proftpd-debugsource-1.3.7a-2.oe1.aarch64.rpm",
          "proftpd-ldap-1.3.7a-2.oe1.aarch64.rpm",
          "proftpd-sqlite-1.3.7a-2.oe1.aarch64.rpm"
        ],
        "src": [
          "proftpd-1.3.7a-2.oe1.src.rpm"
        ],
        "x86_64": [
          "proftpd-postgresql-1.3.7a-2.oe1.x86_64.rpm",
          "proftpd-utils-1.3.7a-2.oe1.x86_64.rpm",
          "proftpd-ldap-1.3.7a-2.oe1.x86_64.rpm",
          "proftpd-mysql-1.3.7a-2.oe1.x86_64.rpm",
          "proftpd-devel-1.3.7a-2.oe1.x86_64.rpm",
          "proftpd-debugsource-1.3.7a-2.oe1.x86_64.rpm",
          "proftpd-1.3.7a-2.oe1.x86_64.rpm",
          "proftpd-sqlite-1.3.7a-2.oe1.x86_64.rpm",
          "proftpd-debuginfo-1.3.7a-2.oe1.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:20.03-LTS-SP1",
        "name": "proftpd",
        "purl": "pkg:rpm/openEuler/proftpd\u0026distro=openEuler-20.03-LTS-SP1"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.3.7a-2.oe1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "severity": "High"
  },
  "details": "ProFTPD is an enhanced FTP server with a focus toward simplicity, security, and ease of configuration. It features a very Apache-like configuration syntax, and a highly customizable server infrastructure, including support for multiple \u0027virtual\u0027 FTP servers, anonymous FTP, and permission-based directory visibility.\r\n\r\nSecurity Fix(es):\r\n\r\nmod_radius in ProFTPD before 1.3.7c allows memory disclosure to RADIUS servers because it copies blocks of 16 characters.(CVE-2021-46854)",
  "id": "OESA-2022-2127",
  "modified": "2026-08-06T11:05:26Z",
  "published": "2022-12-05T11:05:26Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-2127"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-46854"
    }
  ],
  "schema_version": "1.7.2",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "proftpd security update",
  "upstream": [
    "CVE-2021-46854"
  ]
}

CVE-2021-46854 (GCVE-0-2021-46854)

Vulnerability from cvelistv5 – Published: 2022-11-23 00:00 – Updated: 2025-04-28 20:17

Summary

mod_radius in ProFTPD before 1.3.7c allows memory disclosure to RADIUS servers because it copies blocks of 16 characters.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-04-28 20:16 UTC

CWE

n/a
CWE-401 - Missing Release of Memory after Effective Lifetime

Assigner

mitre mitre root

References

5 references

URL	Tags
https://github.com/proftpd/proftpd/issues/1284
https://github.com/proftpd/proftpd/pull/1285
https://bugs.gentoo.org/811495
http://www.proftpd.org/docs/RELEASE_NOTES-1.3.7e
https://security.gentoo.org/glsa/202305-03	vendor-advisory

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T05:17:42.938Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/proftpd/proftpd/issues/1284"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/proftpd/proftpd/pull/1285"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://bugs.gentoo.org/811495"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "http://www.proftpd.org/docs/RELEASE_NOTES-1.3.7e"
          },
          {
            "name": "GLSA-202305-03",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202305-03"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 7.5,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2021-46854",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-28T20:16:06.009733Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-401",
                "description": "CWE-401 Missing Release of Memory after Effective Lifetime",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-04-28T20:17:36.096Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "mod_radius in ProFTPD before 1.3.7c allows memory disclosure to RADIUS servers because it copies blocks of 16 characters."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-05-03T00:00:00.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://github.com/proftpd/proftpd/issues/1284"
        },
        {
          "url": "https://github.com/proftpd/proftpd/pull/1285"
        },
        {
          "url": "https://bugs.gentoo.org/811495"
        },
        {
          "url": "http://www.proftpd.org/docs/RELEASE_NOTES-1.3.7e"
        },
        {
          "name": "GLSA-202305-03",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://security.gentoo.org/glsa/202305-03"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-46854",
    "datePublished": "2022-11-23T00:00:00.000Z",
    "dateReserved": "2022-11-23T00:00:00.000Z",
    "dateUpdated": "2025-04-28T20:17:36.096Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

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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.
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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.

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The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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Action not permitted

OESA-2022-2127 (CVE-2021-46854)

CVE-2021-46854 (GCVE-0-2021-46854)

Tags

Sightings

Nomenclature

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