Vulnerability-Lookup

CVE-2021-3973 (GCVE-0-2021-3973)

Vulnerability from cvelistv5 – Published: 2021-11-19 11:35 – Updated: 2024-08-03 17:09

Title

Heap-based Buffer Overflow in vim/vim

Summary

vim is vulnerable to Heap-based Buffer Overflow

Severity

7.3 (High)


                        
                          CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:H

CWE

CWE-122 - Heap-based Buffer Overflow

Assigner

@huntrdev

References

7 references

URL	Tags
https://huntr.dev/bounties/ce6e8609-77c6-4e17-b9f…	x_refsource_CONFIRM
https://github.com/vim/vim/commit/615ddd5342b50a6…	x_refsource_MISC
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
http://www.openwall.com/lists/oss-security/2022/01/15/1	mailing-listx_refsource_MLIST
https://lists.debian.org/debian-lts-announce/2022…	mailing-listx_refsource_MLIST
https://security.gentoo.org/glsa/202208-32	vendor-advisoryx_refsource_GENTOO

Impacted products

1 product

Vendor	Product	Version	CPE status
vim	vim/vim	Affected: unspecified , < 8.2.3611 (custom)	guessed

Show details on NVD website

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                "negate": false,
                "operator": "OR"
              }
            ]
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "vim is vulnerable to Heap-based Buffer Overflow"
          },
          {
            "lang": "es",
            "value": "vim es vulnerable al desbordamiento del b\u00fafer en la regi\u00f3n Heap de la memoria"
          }
        ],
        "id": "CVE-2021-3973",
        "lastModified": "2026-06-17T04:06:19.213",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "HIGH",
              "cvssData": {
                "accessComplexity": "MEDIUM",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "COMPLETE",
                "baseScore": 9.3,
                "confidentialityImpact": "COMPLETE",
                "integrityImpact": "COMPLETE",
                "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
                "version": "2.0"
              },
              "exploitabilityScore": 8.6,
              "impactScore": 10.0,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": true
            }
          ],
          "cvssMetricV30": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 7.3,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "LOW",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:H",
                "version": "3.0"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 5.5,
              "source": "security@huntr.dev",
              "type": "Secondary"
            }
          ],
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 7.8,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 5.9,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2021-11-19T12:15:09.260",
        "references": [
          {
            "source": "security@huntr.dev",
            "tags": [
              "Mailing List",
              "Third Party Advisory"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2022/01/15/1"
          },
          {
            "source": "security@huntr.dev",
            "tags": [
              "Patch",
              "Third Party Advisory"
            ],
            "url": "https://github.com/vim/vim/commit/615ddd5342b50a6878a907062aa471740bd9a847"
          },
          {
            "source": "security@huntr.dev",
            "tags": [
              "Exploit",
              "Issue Tracking",
              "Patch",
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            "url": "https://huntr.dev/bounties/ce6e8609-77c6-4e17-b9fc-a2e5abed052e"
          },
          {
            "source": "security@huntr.dev",
            "tags": [
              "Mailing List",
              "Third Party Advisory"
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            "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00018.html"
          },
          {
            "source": "security@huntr.dev",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNXY7T5OORA7UJIMGSJBGHFMU6UZWS6P/"
          },
          {
            "source": "security@huntr.dev",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IH2LS2DXBTYOCWGAKFMBF3HTWWXPBEFL/"
          },
          {
            "source": "security@huntr.dev",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://security.gentoo.org/glsa/202208-32"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Mailing List",
              "Third Party Advisory"
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            "url": "http://www.openwall.com/lists/oss-security/2022/01/15/1"
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          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
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              "Third Party Advisory"
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            "url": "https://github.com/vim/vim/commit/615ddd5342b50a6878a907062aa471740bd9a847"
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            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Exploit",
              "Issue Tracking",
              "Patch",
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            "source": "af854a3a-2127-422b-91ae-364da2661108",
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            "url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00018.html"
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            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNXY7T5OORA7UJIMGSJBGHFMU6UZWS6P/"
          },
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            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IH2LS2DXBTYOCWGAKFMBF3HTWWXPBEFL/"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://security.gentoo.org/glsa/202208-32"
          }
        ],
        "sourceIdentifier": "security@huntr.dev",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-122"
              }
            ],
            "source": "security@huntr.dev",
            "type": "Secondary"
          },
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-787"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Secondary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2025-11-21T15:04:59+00:00",
      "cve": "CVE-2021-3973",
      "id": "CVE-2021-3973",
      "initial_release_date": "2021-11-19T00:00:00+00:00",
      "product_status:known_affected": "6",
      "product_status:known_not_affected": "19",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "vim: Heap based buffer overflow in findfile.c",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-3973.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2026-08-31T02:10:13Z",
      "cve": "CVE-2021-3973",
      "id": "CVE-2021-3973",
      "initial_release_date": "2023-02-15T03:48:19Z",
      "product_status:known_affected": "353",
      "product_status:recommended": "356",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2021-3973",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2021-3973.json",
      "version": "44"
    }
  }
}

MSRC_CVE-2021-3973

Vulnerability from csaf_microsoft - Published: 2021-11-02 00:00 - Updated: 2021-12-16 00:00

Summary

Heap-based Buffer Overflow in vim/vim

Scope

1 vulnerability in this advisory, including CVE-2021-3973.

CVE-2021-3973

7.8 (High)


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

Fixed: 2 products Known affected: 2 products

https://learn.microsoft.com/en-us/azure/azure-linux/tutoria…

Open the full advisory

OESA-2021-1450 (CVE-2021-3974)

Vulnerability from osv_openeuler – Published: 2021-12-07 11:04 – Updated: 2026-08-06 11:04 – Source website

Summary

vim security update

Details

Vim is a highly configurable text editor for efficiently creating and changing any kind of text.

Security Fix(es):

vim is vulnerable to Use After Free.(CVE-2021-3974)

vim is vulnerable to Heap-based Buffer Overflow.(CVE-2021-3973)

Severity

7.8 (High)


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

References

URL

Type

	https://www.openeuler.org/en/security/safety-bull…	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2021-3974	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2021-3973	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "aarch64": [
          "vim-debuginfo-8.2-7.oe1.aarch64.rpm",
          "vim-debugsource-8.2-7.oe1.aarch64.rpm",
          "vim-minimal-8.2-7.oe1.aarch64.rpm",
          "vim-common-8.2-7.oe1.aarch64.rpm",
          "vim-enhanced-8.2-7.oe1.aarch64.rpm",
          "vim-X11-8.2-7.oe1.aarch64.rpm"
        ],
        "noarch": [
          "vim-filesystem-8.2-7.oe1.noarch.rpm"
        ],
        "src": [
          "vim-8.2-7.oe1.src.rpm"
        ],
        "x86_64": [
          "vim-debuginfo-8.2-7.oe1.x86_64.rpm",
          "vim-debugsource-8.2-7.oe1.x86_64.rpm",
          "vim-minimal-8.2-7.oe1.x86_64.rpm",
          "vim-common-8.2-7.oe1.x86_64.rpm",
          "vim-enhanced-8.2-7.oe1.x86_64.rpm",
          "vim-X11-8.2-7.oe1.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:20.03-LTS-SP1",
        "name": "vim",
        "purl": "pkg:rpm/openEuler/vim\u0026distro=openEuler-20.03-LTS-SP1"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "8.2-7.oe1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "aarch64": [
          "vim-debugsource-8.2-7.oe1.aarch64.rpm",
          "vim-common-8.2-7.oe1.aarch64.rpm",
          "vim-X11-8.2-7.oe1.aarch64.rpm",
          "vim-minimal-8.2-7.oe1.aarch64.rpm",
          "vim-debuginfo-8.2-7.oe1.aarch64.rpm",
          "vim-enhanced-8.2-7.oe1.aarch64.rpm"
        ],
        "noarch": [
          "vim-filesystem-8.2-7.oe1.noarch.rpm"
        ],
        "src": [
          "vim-8.2-7.oe1.src.rpm"
        ],
        "x86_64": [
          "vim-debugsource-8.2-7.oe1.x86_64.rpm",
          "vim-common-8.2-7.oe1.x86_64.rpm",
          "vim-X11-8.2-7.oe1.x86_64.rpm",
          "vim-minimal-8.2-7.oe1.x86_64.rpm",
          "vim-debuginfo-8.2-7.oe1.x86_64.rpm",
          "vim-enhanced-8.2-7.oe1.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:20.03-LTS-SP2",
        "name": "vim",
        "purl": "pkg:rpm/openEuler/vim\u0026distro=openEuler-20.03-LTS-SP2"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "8.2-7.oe1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "severity": "High"
  },
  "details": "Vim is a highly configurable text editor for efficiently creating and changing any kind of text.\r\n\r\nSecurity Fix(es):\r\n\r\nvim is vulnerable to Use After Free.(CVE-2021-3974)\r\n\r\nvim is vulnerable to Heap-based Buffer Overflow.(CVE-2021-3973)",
  "id": "OESA-2021-1450",
  "modified": "2026-08-06T11:04:43Z",
  "published": "2021-12-07T11:04:43Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1450"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-3974"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-3973"
    }
  ],
  "schema_version": "1.7.2",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "vim security update",
  "upstream": [
    "CVE-2021-3974",
    "CVE-2021-3973"
  ]
}

SUSE-SU-2022:2102-1

Vulnerability from csaf_suse - Published: 2022-06-16 13:18 - Updated: 2022-06-16 13:18

Summary

Security update for vim

Severity

Important

Scope

45 vulnerabilities in this advisory, including CVE-2021-3973.

CVE-2021-3973

7.8 (High)


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

Recommended: 184 products

Open the full advisory

SUSE-SU-2022:4619-1

Vulnerability from csaf_suse - Published: 2022-12-27 04:16 - Updated: 2022-12-27 04:16

Summary

Security update for vim

Severity

Moderate

Scope

104 vulnerabilities in this advisory, including CVE-2021-3973.

CVE-2021-3973

7.8 (High)


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

Recommended: 52 products

Open the full advisory

UBUNTU-CVE-2021-3973 (CVE-2021-3973)

Vulnerability from osv_ubuntu – Published: 2021-11-19 12:15 – Updated: 2025-09-08 16:46 – Source website

Details

vim is vulnerable to Heap-based Buffer Overflow

Severity

7.8 (High)


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

7.3 (High)


                    
                      CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:H

N/A (UNKNOWN)

low

References

URL

Type

	https://ubuntu.com/security/CVE-2021-3973	REPORT
	https://ubuntu.com/security/notices/USN-5247-1	ADVISORY
	https://ubuntu.com/security/notices/USN-5433-1	ADVISORY
	https://www.cve.org/CVERecord?id=CVE-2021-3973	REPORT
	https://ubuntu.com/security/notices/USN-6965-1	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "vim",
            "binary_version": "2:7.4.052-1ubuntu3.1+esm17"
          },
          {
            "binary_name": "vim-athena",
            "binary_version": "2:7.4.052-1ubuntu3.1+esm17"
          },
          {
            "binary_name": "vim-common",
            "binary_version": "2:7.4.052-1ubuntu3.1+esm17"
          },
          {
            "binary_name": "vim-gnome",
            "binary_version": "2:7.4.052-1ubuntu3.1+esm17"
          },
          {
            "binary_name": "vim-gtk",
            "binary_version": "2:7.4.052-1ubuntu3.1+esm17"
          },
          {
            "binary_name": "vim-gui-common",
            "binary_version": "2:7.4.052-1ubuntu3.1+esm17"
          },
          {
            "binary_name": "vim-lesstif",
            "binary_version": "2:7.4.052-1ubuntu3.1+esm17"
          },
          {
            "binary_name": "vim-nox",
            "binary_version": "2:7.4.052-1ubuntu3.1+esm17"
          },
          {
            "binary_name": "vim-runtime",
            "binary_version": "2:7.4.052-1ubuntu3.1+esm17"
          },
          {
            "binary_name": "vim-tiny",
            "binary_version": "2:7.4.052-1ubuntu3.1+esm17"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "vim",
        "purl": "pkg:deb/ubuntu/vim@2:7.4.052-1ubuntu3.1+esm17?arch=source\u0026distro=trusty/esm"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2:7.4.052-1ubuntu3.1+esm17"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2:7.4.000-1ubuntu2",
        "2:7.4.052-1ubuntu1",
        "2:7.4.052-1ubuntu2",
        "2:7.4.052-1ubuntu3",
        "2:7.4.052-1ubuntu3.1",
        "2:7.4.052-1ubuntu3.1+esm1",
        "2:7.4.052-1ubuntu3.1+esm3",
        "2:7.4.052-1ubuntu3.1+esm4",
        "2:7.4.052-1ubuntu3.1+esm5",
        "2:7.4.052-1ubuntu3.1+esm6",
        "2:7.4.052-1ubuntu3.1+esm7",
        "2:7.4.052-1ubuntu3.1+esm8",
        "2:7.4.052-1ubuntu3.1+esm9",
        "2:7.4.052-1ubuntu3.1+esm10",
        "2:7.4.052-1ubuntu3.1+esm11",
        "2:7.4.052-1ubuntu3.1+esm12",
        "2:7.4.052-1ubuntu3.1+esm13",
        "2:7.4.052-1ubuntu3.1+esm14",
        "2:7.4.052-1ubuntu3.1+esm15",
        "2:7.4.052-1ubuntu3.1+esm16"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "vim",
            "binary_version": "2:7.4.1689-3ubuntu1.5+esm4"
          },
          {
            "binary_name": "vim-athena",
            "binary_version": "2:7.4.1689-3ubuntu1.5+esm4"
          },
          {
            "binary_name": "vim-athena-py2",
            "binary_version": "2:7.4.1689-3ubuntu1.5+esm4"
          },
          {
            "binary_name": "vim-common",
            "binary_version": "2:7.4.1689-3ubuntu1.5+esm4"
          },
          {
            "binary_name": "vim-gnome",
            "binary_version": "2:7.4.1689-3ubuntu1.5+esm4"
          },
          {
            "binary_name": "vim-gnome-py2",
            "binary_version": "2:7.4.1689-3ubuntu1.5+esm4"
          },
          {
            "binary_name": "vim-gtk",
            "binary_version": "2:7.4.1689-3ubuntu1.5+esm4"
          },
          {
            "binary_name": "vim-gtk-py2",
            "binary_version": "2:7.4.1689-3ubuntu1.5+esm4"
          },
          {
            "binary_name": "vim-gtk3",
            "binary_version": "2:7.4.1689-3ubuntu1.5+esm4"
          },
          {
            "binary_name": "vim-gtk3-py2",
            "binary_version": "2:7.4.1689-3ubuntu1.5+esm4"
          },
          {
            "binary_name": "vim-gui-common",
            "binary_version": "2:7.4.1689-3ubuntu1.5+esm4"
          },
          {
            "binary_name": "vim-nox",
            "binary_version": "2:7.4.1689-3ubuntu1.5+esm4"
          },
          {
            "binary_name": "vim-nox-py2",
            "binary_version": "2:7.4.1689-3ubuntu1.5+esm4"
          },
          {
            "binary_name": "vim-runtime",
            "binary_version": "2:7.4.1689-3ubuntu1.5+esm4"
          },
          {
            "binary_name": "vim-tiny",
            "binary_version": "2:7.4.1689-3ubuntu1.5+esm4"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "vim",
        "purl": "pkg:deb/ubuntu/vim@2:7.4.1689-3ubuntu1.5+esm4?arch=source\u0026distro=esm-infra/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2:7.4.1689-3ubuntu1.5+esm4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2:7.4.712-2ubuntu4",
        "2:7.4.826-1ubuntu1",
        "2:7.4.826-1ubuntu2",
        "2:7.4.826-1ubuntu3",
        "2:7.4.963-1ubuntu1",
        "2:7.4.963-1ubuntu4",
        "2:7.4.963-1ubuntu5",
        "2:7.4.1689-3ubuntu1",
        "2:7.4.1689-3ubuntu1.1",
        "2:7.4.1689-3ubuntu1.2",
        "2:7.4.1689-3ubuntu1.3",
        "2:7.4.1689-3ubuntu1.4",
        "2:7.4.1689-3ubuntu1.5",
        "2:7.4.1689-3ubuntu1.5+esm2",
        "2:7.4.1689-3ubuntu1.5+esm3"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "vim",
            "binary_version": "2:8.0.1453-1ubuntu1.8"
          },
          {
            "binary_name": "vim-athena",
            "binary_version": "2:8.0.1453-1ubuntu1.8"
          },
          {
            "binary_name": "vim-common",
            "binary_version": "2:8.0.1453-1ubuntu1.8"
          },
          {
            "binary_name": "vim-gnome",
            "binary_version": "2:8.0.1453-1ubuntu1.8"
          },
          {
            "binary_name": "vim-gtk",
            "binary_version": "2:8.0.1453-1ubuntu1.8"
          },
          {
            "binary_name": "vim-gtk3",
            "binary_version": "2:8.0.1453-1ubuntu1.8"
          },
          {
            "binary_name": "vim-gui-common",
            "binary_version": "2:8.0.1453-1ubuntu1.8"
          },
          {
            "binary_name": "vim-nox",
            "binary_version": "2:8.0.1453-1ubuntu1.8"
          },
          {
            "binary_name": "vim-runtime",
            "binary_version": "2:8.0.1453-1ubuntu1.8"
          },
          {
            "binary_name": "vim-tiny",
            "binary_version": "2:8.0.1453-1ubuntu1.8"
          },
          {
            "binary_name": "xxd",
            "binary_version": "2:8.0.1453-1ubuntu1.8"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "vim",
        "purl": "pkg:deb/ubuntu/vim@2:8.0.1453-1ubuntu1.8?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2:8.0.1453-1ubuntu1.8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2:8.0.0197-4ubuntu5",
        "2:8.0.1144-1ubuntu1",
        "2:8.0.1401-1ubuntu1",
        "2:8.0.1401-1ubuntu2",
        "2:8.0.1401-1ubuntu3",
        "2:8.0.1453-1ubuntu1",
        "2:8.0.1453-1ubuntu1.1",
        "2:8.0.1453-1ubuntu1.3",
        "2:8.0.1453-1ubuntu1.4",
        "2:8.0.1453-1ubuntu1.6",
        "2:8.0.1453-1ubuntu1.7"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "vim",
            "binary_version": "2:8.1.2269-1ubuntu5.6"
          },
          {
            "binary_name": "vim-athena",
            "binary_version": "2:8.1.2269-1ubuntu5.6"
          },
          {
            "binary_name": "vim-common",
            "binary_version": "2:8.1.2269-1ubuntu5.6"
          },
          {
            "binary_name": "vim-gtk",
            "binary_version": "2:8.1.2269-1ubuntu5.6"
          },
          {
            "binary_name": "vim-gtk3",
            "binary_version": "2:8.1.2269-1ubuntu5.6"
          },
          {
            "binary_name": "vim-gui-common",
            "binary_version": "2:8.1.2269-1ubuntu5.6"
          },
          {
            "binary_name": "vim-nox",
            "binary_version": "2:8.1.2269-1ubuntu5.6"
          },
          {
            "binary_name": "vim-runtime",
            "binary_version": "2:8.1.2269-1ubuntu5.6"
          },
          {
            "binary_name": "vim-tiny",
            "binary_version": "2:8.1.2269-1ubuntu5.6"
          },
          {
            "binary_name": "xxd",
            "binary_version": "2:8.1.2269-1ubuntu5.6"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "vim",
        "purl": "pkg:deb/ubuntu/vim@2:8.1.2269-1ubuntu5.6?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2:8.1.2269-1ubuntu5.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2:8.1.0875-5ubuntu2",
        "2:8.1.0875-5ubuntu3",
        "2:8.1.0875-5ubuntu4",
        "2:8.1.2269-1ubuntu1",
        "2:8.1.2269-1ubuntu4",
        "2:8.1.2269-1ubuntu5",
        "2:8.1.2269-1ubuntu5.3",
        "2:8.1.2269-1ubuntu5.4"
      ]
    }
  ],
  "aliases": [],
  "details": "vim is vulnerable to Heap-based Buffer Overflow",
  "id": "UBUNTU-CVE-2021-3973",
  "modified": "2025-09-08T16:46:50Z",
  "published": "2021-11-19T12:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2021-3973"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5247-1"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-5433-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-3973"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6965-1"
    }
  ],
  "related": [
    "USN-5247-1",
    "USN-5433-1",
    "USN-6965-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "low",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2021-3973"
  ]
}

VDE-2022-046

Vulnerability from csaf_phoenixcontactgmbhcokg - Published: 2022-11-10 07:00 - Updated: 2025-05-22 13:03

Summary

PHOENIX CONTACT: Multiple Linux component vulnerabilities in PLCnext Firmware

Scope

83 vulnerabilities in this advisory, including CVE-2021-3973.

CVE-2021-3973

vim is vulnerable to Heap-based Buffer Overflow

7.8 (High)


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

Fixed: 9 products Known affected: 9 products

Open the full advisory

WID-SEC-W-2022-0302

Vulnerability from csaf_certbund - Published: 2022-06-14 22:00 - Updated: 2025-10-06 22:00

Summary

Xerox FreeFlow Print Server: Mehrere Schwachstellen ermöglichen Ausführen von beliebigem Programmcode mit Administratorrechten

Severity

Hoch

Scope

197 vulnerabilities in this advisory, including CVE-2021-3973.

CVE-2021-3973

Known affected: 2 products

Open the full advisory

WID-SEC-W-2022-0348

Vulnerability from csaf_certbund - Published: 2021-11-21 23:00 - Updated: 2024-08-20 22:00

Summary

vim: Mehrere Schwachstellen

Severity

Niedrig

Scope

3 vulnerabilities in this advisory, including CVE-2021-3973.

CVE-2021-3973

In vim existieren mehrere Schwachstellen. Dabei handelt es sich um Use After Free und Pufferüberlauf Probleme. Ein lokaler Angreifer kann diese Schwachstellen ausnutzen, um beliebigen Code zur Ausführung zu bringen, oder einen Denial of Service zu verursachen.

Known affected: 6 products

Open the full advisory

WID-SEC-W-2022-0432

Vulnerability from csaf_certbund - Published: 2022-06-21 22:00 - Updated: 2025-10-06 22:00

Summary

Xerox FreeFlow Print Server: Mehrere Schwachstellen

Severity

Hoch

Scope

196 vulnerabilities in this advisory, including CVE-2021-3973.

CVE-2021-3973

Known affected: 2 products

Open the full advisory

WID-SEC-W-2024-0794

Vulnerability from csaf_certbund - Published: 2024-04-04 22:00 - Updated: 2026-01-22 23:00

Summary

Dell ECS: Mehrere Schwachstellen

Severity

Hoch

Scope

598 vulnerabilities in this advisory, including CVE-2021-3973.

CVE-2021-3973

Known affected: 2 products

Open the full advisory

Sightings

Author	Source	Type	Date	Other

Nomenclature

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
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.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2021-3973 (GCVE-0-2021-3973)

OESA-2021-1450 (CVE-2021-3974)

UBUNTU-CVE-2021-3973 (CVE-2021-3973)

Tags

Sightings

Nomenclature

Related by attack behaviour