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CVE-2021-43205 (GCVE-0-2021-43205)

Vulnerability from cvelistv5 – Published: 2022-04-06 09:15 – Updated: 2024-10-22 20:58
VLAI
Summary
An exposure of sensitive information to an unauthorized actor vulnerability [CWE-200] in FortiClient for Linux version 7.0.2 and below, 6.4.7 and below and 6.2.9 and below may allow an unauthenticated attacker to access the confighandler webserver via external binaries.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-22 20:19 UTC
CWE
  • Improper access control
References
URL Tags
https://fortiguard.com/psirt/FG-IR-21-226 x_refsource_CONFIRM
Impacted products
Vendor Product Version CPE status
Fortinet Fortinet FortiClientLinux Affected: FortiClientLinux 7.0.2 and below, 6.4.7 and below, 6.2.9 and below
guessed Create a notification for this product.
Show details on NVD website

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                "remediationLevel": "WORKAROUND",
                "reportConfidence": "CONFIRMED",
                "scope": "UNCHANGED",
                "temporalScore": 4.2,
                "temporalSeverity": "MEDIUM",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:X/RL:W/RC:C",
                "version": "3.1"
              }
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "Improper access control",
                  "lang": "en",
                  "type": "text"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2022-04-06T09:15:36.000Z",
            "orgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
            "shortName": "fortinet"
          },
          "references": [
            {
              "tags": [
                "x_refsource_CONFIRM"
              ],
              "url": "https://fortiguard.com/psirt/FG-IR-21-226"
            }
          ],
          "x_legacyV4Record": {
            "CVE_data_meta": {
              "ASSIGNER": "psirt@fortinet.com",
              "ID": "CVE-2021-43205",
              "STATE": "PUBLIC"
            },
            "affects": {
              "vendor": {
                "vendor_data": [
                  {
                    "product": {
                      "product_data": [
                        {
                          "product_name": "Fortinet FortiClientLinux",
                          "version": {
                            "version_data": [
                              {
                                "version_value": "FortiClientLinux 7.0.2 and below,  6.4.7 and below, 6.2.9 and below"
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                    "vendor_name": "Fortinet"
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            "data_format": "MITRE",
            "data_type": "CVE",
            "data_version": "4.0",
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                  "value": "An exposure of sensitive information to an unauthorized actor vulnerability [CWE-200] in FortiClient for Linux version 7.0.2 and below, 6.4.7 and below and 6.2.9 and below may allow an unauthenticated attacker to access the confighandler webserver via external binaries."
                }
              ]
            },
            "impact": {
              "cvss": {
                "attackComplexity": "Low",
                "attackVector": "Adjacent",
                "availabilityImpact": "None",
                "baseScore": 4.2,
                "baseSeverity": "Medium",
                "confidentialityImpact": "Low",
                "integrityImpact": "None",
                "privilegesRequired": "None",
                "scope": "Unchanged",
                "userInteraction": "None",
                "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:X/RL:W/RC:C",
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                      "value": "Improper access control"
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                {
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                  "refsource": "CONFIRM",
                  "url": "https://fortiguard.com/psirt/FG-IR-21-226"
                }
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      },
      "cveMetadata": {
        "assignerOrgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
        "assignerShortName": "fortinet",
        "cveId": "CVE-2021-43205",
        "datePublished": "2022-04-06T09:15:36.000Z",
        "dateReserved": "2021-11-02T00:00:00.000Z",
        "dateUpdated": "2024-10-22T20:58:38.466Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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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.

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Detection rules are retrieved from Rulezet.

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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.


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