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

CVE-2020-15941 (GCVE-0-2020-15941)

Vulnerability from cvelistv5 – Published: 2021-10-06 09:27 – Updated: 2024-10-25 13:49
VLAI
Summary
A path traversal vulnerability [CWE-22] in FortiClientEMS versions 6.4.1 and below; 6.2.8 and below may allow an authenticated attacker to inject directory traversal character sequences to add/delete the files of the server via the name parameter of Deployment Packages.
Severity
5.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:F/RL:X/RC:X
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-23 13:58 UTC
CWE
  • Escalation of privilege
Assigner
References
URL Tags
https://fortiguard.com/advisory/FG-IR-20-074 x_refsource_CONFIRM
Impacted products
Vendor Product Version CPE status
Fortinet Fortinet FortiClientEMS Affected: FortiClientEMS 6.4.1, 6.4.0, 6.2.8, 6.2.7, 6.2.6, 6.2.4, 6.2.3, 6.2.2, 6.2.1, 6.2.0
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T13:30:23.523Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://fortiguard.com/advisory/FG-IR-20-074"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2020-15941",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-10-23T13:58:11.972028Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-10-25T13:49:17.665Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Fortinet FortiClientEMS",
          "vendor": "Fortinet",
          "versions": [
            {
              "status": "affected",
              "version": "FortiClientEMS 6.4.1, 6.4.0, 6.2.8, 6.2.7, 6.2.6, 6.2.4, 6.2.3, 6.2.2, 6.2.1, 6.2.0"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A path traversal vulnerability [CWE-22] in FortiClientEMS versions 6.4.1 and below; 6.2.8 and below may allow an authenticated attacker to inject directory traversal character sequences to add/delete the files of the server via the name parameter of Deployment Packages."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "exploitCodeMaturity": "FUNCTIONAL",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "remediationLevel": "NOT_DEFINED",
            "reportConfidence": "NOT_DEFINED",
            "scope": "UNCHANGED",
            "temporalScore": 5.3,
            "temporalSeverity": "MEDIUM",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:F/RL:X/RC:X",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Escalation of privilege",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-10-06T09:27:32.000Z",
        "orgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
        "shortName": "fortinet"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://fortiguard.com/advisory/FG-IR-20-074"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@fortinet.com",
          "ID": "CVE-2020-15941",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Fortinet FortiClientEMS",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "FortiClientEMS 6.4.1, 6.4.0, 6.2.8, 6.2.7, 6.2.6, 6.2.4, 6.2.3, 6.2.2, 6.2.1, 6.2.0"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Fortinet"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A path traversal vulnerability [CWE-22] in FortiClientEMS versions 6.4.1 and below; 6.2.8 and below may allow an authenticated attacker to inject directory traversal character sequences to add/delete the files of the server via the name parameter of Deployment Packages."
            }
          ]
        },
        "impact": {
          "cvss": {
            "attackComplexity": "Low",
            "attackVector": "Network",
            "availabilityImpact": "Low",
            "baseScore": 5.3,
            "baseSeverity": "Medium",
            "confidentialityImpact": "None",
            "integrityImpact": "Low",
            "privilegesRequired": "Low",
            "scope": "Unchanged",
            "userInteraction": "None",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:F/RL:X/RC:X",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Escalation of privilege"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://fortiguard.com/advisory/FG-IR-20-074",
              "refsource": "CONFIRM",
              "url": "https://fortiguard.com/advisory/FG-IR-20-074"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
    "assignerShortName": "fortinet",
    "cveId": "CVE-2020-15941",
    "datePublished": "2021-10-06T09:27:32.000Z",
    "dateReserved": "2020-07-24T00:00:00.000Z",
    "dateUpdated": "2024-10-25T13:49:17.665Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2020-15941",
      "date": "2026-09-16",
      "epss": "0.01146",
      "percentile": "0.65133"
    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:fortinet:forticlient_endpoint_management_server:*:*:*:*:*:*:*:*\", \"versionEndExcluding\": \"6.2.9\", \"matchCriteriaId\": \"6B4FE62C-CA07-438F-AB71-EC8B67F8954B\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:fortinet:forticlient_endpoint_management_server:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"6.4.0\", \"versionEndExcluding\": \"6.4.2\", \"matchCriteriaId\": \"7082B032-189E-402E-9417-953C1B210234\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"A path traversal vulnerability [CWE-22] in FortiClientEMS versions 6.4.1 and below; 6.2.8 and below may allow an authenticated attacker to inject directory traversal character sequences to add/delete the files of the server via the name parameter of Deployment Packages.\"}, {\"lang\": \"es\", \"value\": \"Una vulnerabilidad de salto de ruta [CWE-22] en FortiClientEMS versiones 6.4.1 y por debajo; versiones 6.2.8 y por debajo, puede permitir a un atacante autenticado inyectar secuencias de caracteres de salto de directorio para a\\u00f1adir/borrar los archivos del servidor por medio del par\\u00e1metro name de Deployment Packages\"}]",
      "id": "CVE-2020-15941",
      "lastModified": "2024-11-21T05:06:30.020",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"psirt@fortinet.com\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L\", \"baseScore\": 5.4, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"LOW\", \"availabilityImpact\": \"LOW\"}, \"exploitabilityScore\": 2.8, \"impactScore\": 2.5}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L\", \"baseScore\": 5.4, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"LOW\", \"availabilityImpact\": \"LOW\"}, \"exploitabilityScore\": 2.8, \"impactScore\": 2.5}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:L/Au:S/C:N/I:P/A:P\", \"baseScore\": 5.5, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"SINGLE\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 8.0, \"impactScore\": 4.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2021-10-06T10:15:07.623",
      "references": "[{\"url\": \"https://fortiguard.com/advisory/FG-IR-20-074\", \"source\": \"psirt@fortinet.com\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://fortiguard.com/advisory/FG-IR-20-074\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}]",
      "sourceIdentifier": "psirt@fortinet.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-22\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2020-15941\",\"sourceIdentifier\":\"psirt@fortinet.com\",\"published\":\"2021-10-06T10:15:07.623\",\"lastModified\":\"2024-11-21T05:06:30.020\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A path traversal vulnerability [CWE-22] in FortiClientEMS versions 6.4.1 and below; 6.2.8 and below may allow an authenticated attacker to inject directory traversal character sequences to add/delete the files of the server via the name parameter of Deployment Packages.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad de salto de ruta [CWE-22] en FortiClientEMS versiones 6.4.1 y por debajo; versiones 6.2.8 y por debajo, puede permitir a un atacante autenticado inyectar secuencias de caracteres de salto de directorio para a\u00f1adir/borrar los archivos del servidor por medio del par\u00e1metro name de Deployment Packages\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"psirt@fortinet.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L\",\"baseScore\":5.4,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":2.8,\"impactScore\":2.5},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L\",\"baseScore\":5.4,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"LOW\"},\"exploitabilityScore\":2.8,\"impactScore\":2.5}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:S/C:N/I:P/A:P\",\"baseScore\":5.5,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"SINGLE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.0,\"impactScore\":4.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-22\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fortinet:forticlient_endpoint_management_server:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"6.2.9\",\"matchCriteriaId\":\"6B4FE62C-CA07-438F-AB71-EC8B67F8954B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fortinet:forticlient_endpoint_management_server:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.4.0\",\"versionEndExcluding\":\"6.4.2\",\"matchCriteriaId\":\"7082B032-189E-402E-9417-953C1B210234\"}]}]}],\"references\":[{\"url\":\"https://fortiguard.com/advisory/FG-IR-20-074\",\"source\":\"psirt@fortinet.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://fortiguard.com/advisory/FG-IR-20-074\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://fortiguard.com/advisory/FG-IR-20-074\", \"tags\": [\"x_refsource_CONFIRM\", \"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-04T13:30:23.523Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2020-15941\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-10-23T13:58:11.972028Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-10-23T13:59:19.311Z\"}}], \"cna\": {\"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 5.4, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:F/RL:X/RC:X\", \"temporalScore\": 5.3, \"integrityImpact\": \"LOW\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"remediationLevel\": \"NOT_DEFINED\", \"reportConfidence\": \"NOT_DEFINED\", \"temporalSeverity\": \"MEDIUM\", \"availabilityImpact\": \"LOW\", \"privilegesRequired\": \"LOW\", \"exploitCodeMaturity\": \"FUNCTIONAL\", \"confidentialityImpact\": \"NONE\"}}], \"affected\": [{\"vendor\": \"Fortinet\", \"product\": \"Fortinet FortiClientEMS\", \"versions\": [{\"status\": \"affected\", \"version\": \"FortiClientEMS 6.4.1, 6.4.0, 6.2.8, 6.2.7, 6.2.6, 6.2.4, 6.2.3, 6.2.2, 6.2.1, 6.2.0\"}]}], \"references\": [{\"url\": \"https://fortiguard.com/advisory/FG-IR-20-074\", \"tags\": [\"x_refsource_CONFIRM\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A path traversal vulnerability [CWE-22] in FortiClientEMS versions 6.4.1 and below; 6.2.8 and below may allow an authenticated attacker to inject directory traversal character sequences to add/delete the files of the server via the name parameter of Deployment Packages.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"text\", \"description\": \"Escalation of privilege\"}]}], \"providerMetadata\": {\"orgId\": \"6abe59d8-c742-4dff-8ce8-9b0ca1073da8\", \"shortName\": \"fortinet\", \"dateUpdated\": \"2021-10-06T09:27:32.000Z\"}, \"x_legacyV4Record\": {\"impact\": {\"cvss\": {\"scope\": \"Unchanged\", \"version\": \"3.1\", \"baseScore\": 5.3, \"attackVector\": \"Network\", \"baseSeverity\": \"Medium\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:F/RL:X/RC:X\", \"integrityImpact\": \"Low\", \"userInteraction\": \"None\", \"attackComplexity\": \"Low\", \"availabilityImpact\": \"Low\", \"privilegesRequired\": \"Low\", \"confidentialityImpact\": \"None\"}}, \"affects\": {\"vendor\": {\"vendor_data\": [{\"product\": {\"product_data\": [{\"version\": {\"version_data\": [{\"version_value\": \"FortiClientEMS 6.4.1, 6.4.0, 6.2.8, 6.2.7, 6.2.6, 6.2.4, 6.2.3, 6.2.2, 6.2.1, 6.2.0\"}]}, \"product_name\": \"Fortinet FortiClientEMS\"}]}, \"vendor_name\": \"Fortinet\"}]}}, \"data_type\": \"CVE\", \"references\": {\"reference_data\": [{\"url\": \"https://fortiguard.com/advisory/FG-IR-20-074\", \"name\": \"https://fortiguard.com/advisory/FG-IR-20-074\", \"refsource\": \"CONFIRM\"}]}, \"data_format\": \"MITRE\", \"description\": {\"description_data\": [{\"lang\": \"eng\", \"value\": \"A path traversal vulnerability [CWE-22] in FortiClientEMS versions 6.4.1 and below; 6.2.8 and below may allow an authenticated attacker to inject directory traversal character sequences to add/delete the files of the server via the name parameter of Deployment Packages.\"}]}, \"problemtype\": {\"problemtype_data\": [{\"description\": [{\"lang\": \"eng\", \"value\": \"Escalation of privilege\"}]}]}, \"data_version\": \"4.0\", \"CVE_data_meta\": {\"ID\": \"CVE-2020-15941\", \"STATE\": \"PUBLIC\", \"ASSIGNER\": \"psirt@fortinet.com\"}}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2020-15941\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-10-25T13:49:17.665Z\", \"dateReserved\": \"2020-07-24T00:00:00.000Z\", \"assignerOrgId\": \"6abe59d8-c742-4dff-8ce8-9b0ca1073da8\", \"datePublished\": \"2021-10-06T09:27:32.000Z\", \"assignerShortName\": \"fortinet\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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.