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CVE-2021-44168 (GCVE-0-2021-44168)

Vulnerability from cvelistv5 – Published: 2022-01-04 12:38 – Updated: 2025-10-21 23:15
VLAI CISA Previdian
Summary
A download of code without integrity check vulnerability in the "execute restore src-vis" command of FortiOS before 7.0.3 may allow a local authenticated attacker to download arbitrary files on the device via specially crafted update packages.
SSVC
Exploitation: active Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-22 20:20 UTC
CWE
  • Execute unauthorized code or commands
  • CWE-494 - Download of Code Without Integrity Check
References
Impacted products
Vendor Product Version CPE status
Fortinet Fortinet FortiOS Affected: FortiOS before 7.0.3
guessed Create a notification for this product.
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant

Vulnerability ID: CVE-2021-44168

Status: Confirmed

Status Updated: 2021-12-10 00:00 UTC

Exploited: Yes


Timestamps
First Seen: 2021-12-10
Asserted: 2021-12-10

Scope
Notes: KEV entry: Fortinet FortiOS Arbitrary File Download | Affected: Fortinet / FortiOS | Description: Fortinet FortiOS "execute restore src-vis" downloads code without integrity checking, allowing an attacker to arbitrarily download files. | Required action: Apply updates per vendor instructions. | Due date: 2021-12-24 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://nvd.nist.gov/vuln/detail/CVE-2021-44168

Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev


Details
Cwes CWE-494
Feed CISA Known Exploited Vulnerabilities Catalog
Product FortiOS
Due Date 2021-12-24
Date Added 2021-12-10
Vendorproject Fortinet
Vulnerabilityname Fortinet FortiOS Arbitrary File Download
Knownransomwarecampaignuse Unknown

References

Created: 2026-02-02 13:25 UTC | Updated: 2026-02-06 07:53 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant

Vulnerability ID: CVE-2021-44168

Status: Confirmed

Status Updated: 2021-12-10 00:00 UTC

Exploited: Yes


Timestamps
First Seen: 2021-12-10
Asserted: 2021-12-10

Scope
Notes: KEVIntel entry: A download of code without integrity check vulnerability in the "execute restore src-vis" command of FortiOS before 7.0.3 may allow a local... | Affected: Fortinet / Fortinet FortiOS | CVSS: 3.3 (LOW) | Used in malware: unknown | Not yet in CISA KEV: False

Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel


Details
Feed KEVIntel (kevintel.com)
Title A download of code without integrity check vulnerability in the "execute restore src-vis" command of FortiOS before 7.0.3 may allow a local...
Vendor Fortinet
Product Fortinet FortiOS
Added Date 2021-12-10T00:00:00.000Z
Cvss Score 3.3
Epss Score None
Cvss Severity LOW
Epss Percentile None
Used In Malware unknown
Ahead Of Cisa Kev None
Not Yet In Cisa Kev False

References

Created: 2026-06-23 11:13 UTC | Updated: 2026-06-23 11:13 UTC
Show details on NVD website

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                            "version_data": [
                              {
                                "version_value": "FortiOS before 7.0.3"
                              }
                            ]
                          }
                        }
                      ]
                    },
                    "vendor_name": "Fortinet"
                  }
                ]
              }
            },
            "data_format": "MITRE",
            "data_type": "CVE",
            "data_version": "4.0",
            "description": {
              "description_data": [
                {
                  "lang": "eng",
                  "value": "A download of code without integrity check vulnerability in the \"execute restore src-vis\" command of FortiOS before 7.0.3 may allow a local authenticated attacker to download arbitrary files on the device via specially crafted update packages."
                }
              ]
            },
            "impact": {
              "cvss": {
                "attackComplexity": "Low",
                "attackVector": "Local",
                "availabilityImpact": "None",
                "baseScore": 3.2,
                "baseSeverity": "Low",
                "confidentialityImpact": "None",
                "integrityImpact": "Low",
                "privilegesRequired": "Low",
                "scope": "Unchanged",
                "userInteraction": "None",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:U/RC:C",
                "version": "3.1"
              }
            },
            "problemtype": {
              "problemtype_data": [
                {
                  "description": [
                    {
                      "lang": "eng",
                      "value": "Execute unauthorized code or commands"
                    }
                  ]
                }
              ]
            },
            "references": {
              "reference_data": [
                {
                  "name": "https://fortiguard.com/psirt/FG-IR-21-201",
                  "refsource": "CONFIRM",
                  "url": "https://fortiguard.com/psirt/FG-IR-21-201"
                }
              ]
            }
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
        "assignerShortName": "fortinet",
        "cveId": "CVE-2021-44168",
        "datePublished": "2022-01-04T12:38:04.000Z",
        "dateReserved": "2021-11-23T00:00:00.000Z",
        "dateUpdated": "2025-10-21T23:15:50.019Z",
        "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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