Vulnerability-Lookup

CVE-2020-21047 (GCVE-0-2020-21047)

Vulnerability from cvelistv5 – Published: 2023-08-22 00:00 – Updated: 2024-10-07 15:41

Summary

The libcpu component which is used by libasm of elfutils version 0.177 (git 47780c9e), suffers from denial-of-service vulnerability caused by application crashes due to out-of-bounds write (CWE-787), off-by-one error (CWE-193) and reachable assertion (CWE-617); to exploit the vulnerability, the attackers need to craft certain ELF files which bypass the missing bound checks.

Severity

No CVSS data available.

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

Assigner

mitre

References

3 references

URL	Tags
https://sourceware.org/bugzilla/show_bug.cgi?id=25068
https://sourceware.org/git/?p=elfutils.git%3Ba=co…
https://lists.debian.org/debian-lts-announce/2023…	mailing-list

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T14:22:25.620Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=25068"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://sourceware.org/git/?p=elfutils.git%3Ba=commitdiff%3Bh=99dc63b10b3878616b85df2dfd2e4e7103e414b8"
          },
          {
            "name": "[debian-lts-announce] 20230923 [SECURITY] [DLA 3579-1] elfutils security update",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2023/09/msg00026.html"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2020-21047",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-10-07T15:40:52.075327Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-10-07T15:41:01.120Z",
          "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": "The libcpu component which is used by libasm of elfutils version 0.177 (git 47780c9e), suffers from denial-of-service vulnerability caused by application crashes due to out-of-bounds write (CWE-787), off-by-one error (CWE-193) and reachable assertion (CWE-617); to exploit the vulnerability, the attackers need to craft certain ELF files which bypass the missing bound checks."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-09-23T19:06:12.439Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=25068"
        },
        {
          "url": "https://sourceware.org/git/?p=elfutils.git%3Ba=commitdiff%3Bh=99dc63b10b3878616b85df2dfd2e4e7103e414b8"
        },
        {
          "name": "[debian-lts-announce] 20230923 [SECURITY] [DLA 3579-1] elfutils security update",
          "tags": [
            "mailing-list"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2023/09/msg00026.html"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2020-21047",
    "datePublished": "2023-08-22T00:00:00.000Z",
    "dateReserved": "2020-08-13T00:00:00.000Z",
    "dateUpdated": "2024-10-07T15:41:01.120Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2020-21047",
      "date": "2026-07-25",
      "epss": "0.00226",
      "percentile": "0.13527"
    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:elfutils_project:elfutils:0.177:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"79E8381A-EABD-4085-B282-14AB4B5A0B0E\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"The libcpu component which is used by libasm of elfutils version 0.177 (git 47780c9e), suffers from denial-of-service vulnerability caused by application crashes due to out-of-bounds write (CWE-787), off-by-one error (CWE-193) and reachable assertion (CWE-617); to exploit the vulnerability, the attackers need to craft certain ELF files which bypass the missing bound checks.\"}, {\"lang\": \"es\", \"value\": \"El componente libcpu que es utilizado por libasm de elfutils versi\\u00f3n 0.177 (git 47780c9e), sufre de una vulnerabilidad de denegaci\\u00f3n de servicio causada por ca\\u00eddas de la aplicaci\\u00f3n debido a una escritura fuera de l\\u00edmites (CWE-787), por el error off-by-one (CWE-193) y por una aserci\\u00f3n alcanzable (CWE-617). Para explotar la vulnerabilidad, los atacantes necesitan crear ciertos archivos ELF que eludan las comprobaciones de l\\u00edmites faltantes. \"}]",
      "id": "CVE-2020-21047",
      "lastModified": "2024-11-21T05:12:23.310",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H\", \"baseScore\": 5.5, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"REQUIRED\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.8, \"impactScore\": 3.6}]}",
      "published": "2023-08-22T19:16:09.657",
      "references": "[{\"url\": \"https://lists.debian.org/debian-lts-announce/2023/09/msg00026.html\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://sourceware.org/bugzilla/show_bug.cgi?id=25068\", \"source\": \"cve@mitre.org\", \"tags\": [\"Issue Tracking\"]}, {\"url\": \"https://sourceware.org/git/?p=elfutils.git%3Ba=commitdiff%3Bh=99dc63b10b3878616b85df2dfd2e4e7103e414b8\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2023/09/msg00026.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://sourceware.org/bugzilla/show_bug.cgi?id=25068\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Issue Tracking\"]}, {\"url\": \"https://sourceware.org/git/?p=elfutils.git%3Ba=commitdiff%3Bh=99dc63b10b3878616b85df2dfd2e4e7103e414b8\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}]",
      "sourceIdentifier": "cve@mitre.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-787\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2020-21047\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2023-08-22T19:16:09.657\",\"lastModified\":\"2024-11-21T05:12:23.310\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The libcpu component which is used by libasm of elfutils version 0.177 (git 47780c9e), suffers from denial-of-service vulnerability caused by application crashes due to out-of-bounds write (CWE-787), off-by-one error (CWE-193) and reachable assertion (CWE-617); to exploit the vulnerability, the attackers need to craft certain ELF files which bypass the missing bound checks.\"},{\"lang\":\"es\",\"value\":\"El componente libcpu que es utilizado por libasm de elfutils versi\u00f3n 0.177 (git 47780c9e), sufre de una vulnerabilidad de denegaci\u00f3n de servicio causada por ca\u00eddas de la aplicaci\u00f3n debido a una escritura fuera de l\u00edmites (CWE-787), por el error off-by-one (CWE-193) y por una aserci\u00f3n alcanzable (CWE-617). Para explotar la vulnerabilidad, los atacantes necesitan crear ciertos archivos ELF que eludan las comprobaciones de l\u00edmites faltantes. \"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-787\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:elfutils_project:elfutils:0.177:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"79E8381A-EABD-4085-B282-14AB4B5A0B0E\"}]}]}],\"references\":[{\"url\":\"https://lists.debian.org/debian-lts-announce/2023/09/msg00026.html\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://sourceware.org/bugzilla/show_bug.cgi?id=25068\",\"source\":\"cve@mitre.org\",\"tags\":[\"Issue Tracking\"]},{\"url\":\"https://sourceware.org/git/?p=elfutils.git%3Ba=commitdiff%3Bh=99dc63b10b3878616b85df2dfd2e4e7103e414b8\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2023/09/msg00026.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://sourceware.org/bugzilla/show_bug.cgi?id=25068\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Issue Tracking\"]},{\"url\":\"https://sourceware.org/git/?p=elfutils.git%3Ba=commitdiff%3Bh=99dc63b10b3878616b85df2dfd2e4e7103e414b8\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
    "suse_vex": {
      "aggregate_severity": "low",
      "current_release_date": "2025-07-16T02:20:56Z",
      "cve": "CVE-2020-21047",
      "id": "CVE-2020-21047",
      "initial_release_date": "2023-08-26T08:13:14Z",
      "product_status:known_not_affected": "532",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2020-21047",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2020-21047.json",
      "version": "15"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://sourceware.org/bugzilla/show_bug.cgi?id=25068\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://sourceware.org/git/?p=elfutils.git%3Ba=commitdiff%3Bh=99dc63b10b3878616b85df2dfd2e4e7103e414b8\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2023/09/msg00026.html\", \"name\": \"[debian-lts-announce] 20230923 [SECURITY] [DLA 3579-1] elfutils security update\", \"tags\": [\"mailing-list\", \"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-04T14:22:25.620Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2020-21047\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-10-07T15:40:52.075327Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-10-07T15:40:56.949Z\"}}], \"cna\": {\"affected\": [{\"vendor\": \"n/a\", \"product\": \"n/a\", \"versions\": [{\"status\": \"affected\", \"version\": \"n/a\"}]}], \"references\": [{\"url\": \"https://sourceware.org/bugzilla/show_bug.cgi?id=25068\"}, {\"url\": \"https://sourceware.org/git/?p=elfutils.git%3Ba=commitdiff%3Bh=99dc63b10b3878616b85df2dfd2e4e7103e414b8\"}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2023/09/msg00026.html\", \"name\": \"[debian-lts-announce] 20230923 [SECURITY] [DLA 3579-1] elfutils security update\", \"tags\": [\"mailing-list\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"The libcpu component which is used by libasm of elfutils version 0.177 (git 47780c9e), suffers from denial-of-service vulnerability caused by application crashes due to out-of-bounds write (CWE-787), off-by-one error (CWE-193) and reachable assertion (CWE-617); to exploit the vulnerability, the attackers need to craft certain ELF files which bypass the missing bound checks.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"text\", \"description\": \"n/a\"}]}], \"providerMetadata\": {\"orgId\": \"8254265b-2729-46b6-b9e3-3dfca2d5bfca\", \"shortName\": \"mitre\", \"dateUpdated\": \"2023-09-23T19:06:12.439Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2020-21047\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-10-07T15:41:01.120Z\", \"dateReserved\": \"2020-08-13T00:00:00.000Z\", \"assignerOrgId\": \"8254265b-2729-46b6-b9e3-3dfca2d5bfca\", \"datePublished\": \"2023-08-22T00:00:00.000Z\", \"assignerShortName\": \"mitre\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}

ubuntu-cve-2020-21047

Vulnerability from osv_ubuntu

Published

2023-08-22 19:16

Modified

2026-04-22 07:39

Summary

Details

Severity

5.5 (Medium)


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

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2020-21047	REPORT
	https://sourceware.org/git/?p=elfutils.git;a=comm…	REPORT
	https://sourceware.org/bugzilla/show_bug.cgi?id=25068	REPORT
	https://ubuntu.com/security/notices/USN-6322-1	ADVISORY
	https://www.cve.org/CVERecord?id=CVE-2020-21047	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "elfutils",
            "binary_version": "0.158-0ubuntu5.3+esm1"
          },
          {
            "binary_name": "libasm1",
            "binary_version": "0.158-0ubuntu5.3+esm1"
          },
          {
            "binary_name": "libdw1",
            "binary_version": "0.158-0ubuntu5.3+esm1"
          },
          {
            "binary_name": "libelf1",
            "binary_version": "0.158-0ubuntu5.3+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:14.04:LTS",
        "name": "elfutils",
        "purl": "pkg:deb/ubuntu/elfutils@0.158-0ubuntu5.3+esm1?arch=source\u0026distro=trusty/esm"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.158-0ubuntu5.3+esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.157-1ubuntu1",
        "0.158-0ubuntu3",
        "0.158-0ubuntu4",
        "0.158-0ubuntu5",
        "0.158-0ubuntu5.1",
        "0.158-0ubuntu5.2",
        "0.158-0ubuntu5.3"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "elfutils",
            "binary_version": "0.165-3ubuntu1.2+esm1"
          },
          {
            "binary_name": "libasm1",
            "binary_version": "0.165-3ubuntu1.2+esm1"
          },
          {
            "binary_name": "libdw1",
            "binary_version": "0.165-3ubuntu1.2+esm1"
          },
          {
            "binary_name": "libelf1",
            "binary_version": "0.165-3ubuntu1.2+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "elfutils",
        "purl": "pkg:deb/ubuntu/elfutils@0.165-3ubuntu1.2+esm1?arch=source\u0026distro=esm-infra/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.165-3ubuntu1.2+esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.163-4ubuntu1",
        "0.163-5.1",
        "0.164-1",
        "0.165-3",
        "0.165-3ubuntu1",
        "0.165-3ubuntu1.1",
        "0.165-3ubuntu1.2"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
        "binaries": [
          {
            "binary_name": "elfutils",
            "binary_version": "0.170-0.4ubuntu0.1+esm1"
          },
          {
            "binary_name": "libasm1",
            "binary_version": "0.170-0.4ubuntu0.1+esm1"
          },
          {
            "binary_name": "libdw1",
            "binary_version": "0.170-0.4ubuntu0.1+esm1"
          },
          {
            "binary_name": "libelf1",
            "binary_version": "0.170-0.4ubuntu0.1+esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:18.04:LTS",
        "name": "elfutils",
        "purl": "pkg:deb/ubuntu/elfutils@0.170-0.4ubuntu0.1+esm1?arch=source\u0026distro=esm-infra/bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.170-0.4ubuntu0.1+esm1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.170-0.1",
        "0.170-0.2",
        "0.170-0.3",
        "0.170-0.4",
        "0.170-0.4ubuntu0.1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "elfutils",
            "binary_version": "0.176-1.1ubuntu0.1"
          },
          {
            "binary_name": "libasm1",
            "binary_version": "0.176-1.1ubuntu0.1"
          },
          {
            "binary_name": "libdw1",
            "binary_version": "0.176-1.1ubuntu0.1"
          },
          {
            "binary_name": "libelf1",
            "binary_version": "0.176-1.1ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "elfutils",
        "purl": "pkg:deb/ubuntu/elfutils@0.176-1.1ubuntu0.1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.176-1.1ubuntu0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.176-1.1",
        "0.176-1.1build1"
      ]
    }
  ],
  "aliases": [],
  "details": "The libcpu component which is used by libasm of elfutils version 0.177 (git 47780c9e), suffers from denial-of-service vulnerability caused by application crashes due to out-of-bounds write (CWE-787), off-by-one error (CWE-193) and reachable assertion (CWE-617); to exploit the vulnerability, the attackers need to craft certain ELF files which bypass the missing bound checks.",
  "id": "UBUNTU-CVE-2020-21047",
  "modified": "2026-04-22T07:39:29Z",
  "published": "2023-08-22T19:16:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-21047"
    },
    {
      "type": "REPORT",
      "url": "https://sourceware.org/git/?p=elfutils.git;a=commitdiff;h=99dc63b10b3878616b85df2dfd2e4e7103e414b8"
    },
    {
      "type": "REPORT",
      "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=25068"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-6322-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2020-21047"
    }
  ],
  "related": [
    "USN-6322-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2020-21047"
  ]
}

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.

Action not permitted

CVE-2020-21047 (GCVE-0-2020-21047)

ubuntu-cve-2020-21047

Vulnerability from osv_ubuntu

Tags

Sightings

Nomenclature