CVE-2021-36171 (GCVE-0-2021-36171)

Vulnerability from cvelistv5 – Published: 2022-03-01 18:05 – Updated: 2024-10-25 13:35
VLAI
Summary
The use of a cryptographically weak pseudo-random number generator in the password reset feature of FortiPortal before 6.0.6 may allow a remote unauthenticated attacker to predict parts of or the whole newly generated password within a given time frame.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-23 14:12 UTC
CWE
  • Improper access control
References
URL Tags
https://fortiguard.com/psirt/FG-IR-21-099 x_refsource_CONFIRM
Impacted products
Vendor Product Version CPE status
Fortinet Fortinet FortiPortal Affected: FortiPortal before 6.0.6
guessed Create a notification for this product.
Show details on NVD website

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              "cvssV3_1": {
                "attackComplexity": "HIGH",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 8.1,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "exploitCodeMaturity": "UNPROVEN",
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                "remediationLevel": "UNAVAILABLE",
                "reportConfidence": "CONFIRMED",
                "scope": "UNCHANGED",
                "temporalScore": 7.4,
                "temporalSeverity": "HIGH",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C",
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              }
            }
          ],
          "problemTypes": [
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              "descriptions": [
                {
                  "description": "Improper access control",
                  "lang": "en",
                  "type": "text"
                }
              ]
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          ],
          "providerMetadata": {
            "dateUpdated": "2022-03-01T18:05:10.000Z",
            "orgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
            "shortName": "fortinet"
          },
          "references": [
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                "x_refsource_CONFIRM"
              ],
              "url": "https://fortiguard.com/psirt/FG-IR-21-099"
            }
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              "ID": "CVE-2021-36171",
              "STATE": "PUBLIC"
            },
            "affects": {
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                "vendor_data": [
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                      "product_data": [
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                          "product_name": "Fortinet FortiPortal",
                          "version": {
                            "version_data": [
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                                "version_value": "FortiPortal before 6.0.6"
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                }
              ]
            },
            "impact": {
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                "attackComplexity": "High",
                "attackVector": "Network",
                "availabilityImpact": "High",
                "baseScore": 7.4,
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        "datePublished": "2022-03-01T18:05:10.000Z",
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  }
}



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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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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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