GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2021-22980 (GCVE-0-2021-22980)

Vulnerability from cvelistv5 – Published: 2021-02-12 17:52 – Updated: 2024-08-03 18:58
VLAI
Summary
In Edge Client version 7.2.x before 7.2.1.1, 7.1.9.x before 7.1.9.8, and 7.1.x-7.1.8.x before 7.1.8.5, an untrusted search path vulnerability in the BIG-IP APM Client Troubleshooting Utility (CTU) for Windows could allow an attacker to load a malicious DLL library from its current directory. User interaction is required to exploit this vulnerability in that the victim must run this utility on the Windows system. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
  • Code injection
Assigner
References
Impacted products
Vendor Product Version CPE status
n/a Edge Client Affected: 7.2.x before 7.2.1.1, 7.1.9.x before 7.1.9.8, and 7.1.x-7.1.8.x before 7.1.8.5
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T18:58:26.052Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://support.f5.com/csp/article/K29282483"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Edge Client",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "7.2.x before 7.2.1.1, 7.1.9.x before 7.1.9.8, and 7.1.x-7.1.8.x before 7.1.8.5"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In Edge Client version 7.2.x before 7.2.1.1, 7.1.9.x before 7.1.9.8, and 7.1.x-7.1.8.x before 7.1.8.5, an untrusted search path vulnerability in the BIG-IP APM Client Troubleshooting Utility (CTU) for Windows could allow an attacker to load a malicious DLL library from its current directory. User interaction is required to exploit this vulnerability in that the victim must run this utility on the Windows system. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Code injection",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-02-12T17:52:28.000Z",
        "orgId": "9dacffd4-cb11-413f-8451-fbbfd4ddc0ab",
        "shortName": "f5"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://support.f5.com/csp/article/K29282483"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "f5sirt@f5.com",
          "ID": "CVE-2021-22980",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Edge Client",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "7.2.x before 7.2.1.1, 7.1.9.x before 7.1.9.8, and 7.1.x-7.1.8.x before 7.1.8.5"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "In Edge Client version 7.2.x before 7.2.1.1, 7.1.9.x before 7.1.9.8, and 7.1.x-7.1.8.x before 7.1.8.5, an untrusted search path vulnerability in the BIG-IP APM Client Troubleshooting Utility (CTU) for Windows could allow an attacker to load a malicious DLL library from its current directory. User interaction is required to exploit this vulnerability in that the victim must run this utility on the Windows system. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Code injection"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://support.f5.com/csp/article/K29282483",
              "refsource": "MISC",
              "url": "https://support.f5.com/csp/article/K29282483"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "9dacffd4-cb11-413f-8451-fbbfd4ddc0ab",
    "assignerShortName": "f5",
    "cveId": "CVE-2021-22980",
    "datePublished": "2021-02-12T17:52:28.000Z",
    "dateReserved": "2021-01-06T00:00:00.000Z",
    "dateUpdated": "2024-08-03T18:58:26.052Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2021-22980",
      "date": "2026-09-17",
      "epss": "0.00289",
      "percentile": "0.21563"
    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:f5:access_policy_manager_clients:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"7.1.5\", \"versionEndExcluding\": \"7.1.8.5\", \"matchCriteriaId\": \"8BBCE39D-283C-4D80-A83D-D4C94F2C4D92\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:f5:access_policy_manager_clients:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"7.1.9\", \"versionEndExcluding\": \"7.1.9.8\", \"matchCriteriaId\": \"6CB004A6-19ED-43E4-BE0B-76A742120B7D\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:f5:access_policy_manager_clients:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"7.2.1\", \"versionEndExcluding\": \"7.2.1.1\", \"matchCriteriaId\": \"B60E89ED-5C0A-4B21-A5C5-2F902E4A2891\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"11.6.1\", \"versionEndIncluding\": \"11.6.5\", \"matchCriteriaId\": \"2FBA9552-4645-4BFF-91A4-47B6A3414325\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"12.1.0\", \"versionEndIncluding\": \"12.1.5\", \"matchCriteriaId\": \"6C3B5688-0235-4D4F-A26C-440FF24A1B43\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"13.1.0\", \"versionEndExcluding\": \"13.1.3.6\", \"matchCriteriaId\": \"8C3A0A32-E425-4939-A30D-95A046ABBABB\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"14.1.0\", \"versionEndIncluding\": \"14.1.3\", \"matchCriteriaId\": \"B176513C-86DD-4DA9-AB60-1D233091A9DB\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"15.1.0\", \"versionEndIncluding\": \"15.1.2\", \"matchCriteriaId\": \"5EF8BF70-3688-4DEE-BF08-835293783996\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"16.0.0\", \"versionEndExcluding\": \"16.0.1.1\", \"matchCriteriaId\": \"A7706F70-BF89-480E-9AA6-3FE447375138\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"In Edge Client version 7.2.x before 7.2.1.1, 7.1.9.x before 7.1.9.8, and 7.1.x-7.1.8.x before 7.1.8.5, an untrusted search path vulnerability in the BIG-IP APM Client Troubleshooting Utility (CTU) for Windows could allow an attacker to load a malicious DLL library from its current directory. User interaction is required to exploit this vulnerability in that the victim must run this utility on the Windows system. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.\"}, {\"lang\": \"es\", \"value\": \"En Edge Client versiones 7.2.x anteriores a 7.2.1.1, versiones 7.1.9.x anteriores 7.1.9.8 y versiones 7.1.x-7.1.8.x  anteriores a 7.1.8.5, una vulnerabilidad de ruta de b\\u00fasqueda no confiable en BIG-IP APM Client Troubleshooting Utility (CTU) para Windows, podr\\u00eda permitir a un atacante cargar una biblioteca DLL maliciosa desde su directorio actual.\u0026#xa0;Es requerida una interacci\\u00f3n del usuario para explotar esta vulnerabilidad, ya que la v\\u00edctima debe ejecutar esta utilidad en el sistema Windows.\u0026#xa0;Nota: No son evaluadas las versiones de software que han alcanzado End of Software Development (EoSD)\"}]",
      "id": "CVE-2021-22980",
      "lastModified": "2024-11-21T05:51:03.643",
      "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:H/I:H/A:H\", \"baseScore\": 7.8, \"baseSeverity\": \"HIGH\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"REQUIRED\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.8, \"impactScore\": 5.9}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:L/AC:M/Au:N/C:C/I:C/A:C\", \"baseScore\": 6.9, \"accessVector\": \"LOCAL\", \"accessComplexity\": \"MEDIUM\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"COMPLETE\", \"integrityImpact\": \"COMPLETE\", \"availabilityImpact\": \"COMPLETE\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 3.4, \"impactScore\": 10.0, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": true}]}",
      "published": "2021-02-12T18:15:12.737",
      "references": "[{\"url\": \"https://support.f5.com/csp/article/K29282483\", \"source\": \"f5sirt@f5.com\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://support.f5.com/csp/article/K29282483\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}]",
      "sourceIdentifier": "f5sirt@f5.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-426\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-22980\",\"sourceIdentifier\":\"f5sirt@f5.com\",\"published\":\"2021-02-12T18:15:12.737\",\"lastModified\":\"2024-11-21T05:51:03.643\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In Edge Client version 7.2.x before 7.2.1.1, 7.1.9.x before 7.1.9.8, and 7.1.x-7.1.8.x before 7.1.8.5, an untrusted search path vulnerability in the BIG-IP APM Client Troubleshooting Utility (CTU) for Windows could allow an attacker to load a malicious DLL library from its current directory. User interaction is required to exploit this vulnerability in that the victim must run this utility on the Windows system. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.\"},{\"lang\":\"es\",\"value\":\"En Edge Client versiones 7.2.x anteriores a 7.2.1.1, versiones 7.1.9.x anteriores 7.1.9.8 y versiones 7.1.x-7.1.8.x  anteriores a 7.1.8.5, una vulnerabilidad de ruta de b\u00fasqueda no confiable en BIG-IP APM Client Troubleshooting Utility (CTU) para Windows, podr\u00eda permitir a un atacante cargar una biblioteca DLL maliciosa desde su directorio actual.\u0026#xa0;Es requerida una interacci\u00f3n del usuario para explotar esta vulnerabilidad, ya que la v\u00edctima debe ejecutar esta utilidad en el sistema Windows.\u0026#xa0;Nota: No son evaluadas las versiones de software que han alcanzado End of Software Development (EoSD)\"}],\"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:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:M/Au:N/C:C/I:C/A:C\",\"baseScore\":6.9,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"COMPLETE\",\"integrityImpact\":\"COMPLETE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":3.4,\"impactScore\":10.0,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":true}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-426\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:f5:access_policy_manager_clients:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"7.1.5\",\"versionEndExcluding\":\"7.1.8.5\",\"matchCriteriaId\":\"8BBCE39D-283C-4D80-A83D-D4C94F2C4D92\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:f5:access_policy_manager_clients:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"7.1.9\",\"versionEndExcluding\":\"7.1.9.8\",\"matchCriteriaId\":\"6CB004A6-19ED-43E4-BE0B-76A742120B7D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:f5:access_policy_manager_clients:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"7.2.1\",\"versionEndExcluding\":\"7.2.1.1\",\"matchCriteriaId\":\"B60E89ED-5C0A-4B21-A5C5-2F902E4A2891\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"11.6.1\",\"versionEndIncluding\":\"11.6.5\",\"matchCriteriaId\":\"2FBA9552-4645-4BFF-91A4-47B6A3414325\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"12.1.0\",\"versionEndIncluding\":\"12.1.5\",\"matchCriteriaId\":\"6C3B5688-0235-4D4F-A26C-440FF24A1B43\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"13.1.0\",\"versionEndExcluding\":\"13.1.3.6\",\"matchCriteriaId\":\"8C3A0A32-E425-4939-A30D-95A046ABBABB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"14.1.0\",\"versionEndIncluding\":\"14.1.3\",\"matchCriteriaId\":\"B176513C-86DD-4DA9-AB60-1D233091A9DB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"15.1.0\",\"versionEndIncluding\":\"15.1.2\",\"matchCriteriaId\":\"5EF8BF70-3688-4DEE-BF08-835293783996\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"16.0.0\",\"versionEndExcluding\":\"16.0.1.1\",\"matchCriteriaId\":\"A7706F70-BF89-480E-9AA6-3FE447375138\"}]}]}],\"references\":[{\"url\":\"https://support.f5.com/csp/article/K29282483\",\"source\":\"f5sirt@f5.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://support.f5.com/csp/article/K29282483\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}",
    "redhat_vex": {
      "current_release_date": "2026-03-27T14:47:44+00:00",
      "cve": "CVE-2021-22980",
      "id": "CVE-2021-22980",
      "initial_release_date": "2021-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "CVE-2021-22980",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-22980.json",
      "version": "3"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.


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.