CVE-2021-20722 (GCVE-0-2021-20722)

Vulnerability from cvelistv5 – Published: 2021-05-24 03:20 – Updated: 2026-10-07 20:10
VLAI
Summary
Untrusted search path vulnerability in the installers of ScanSnap Manager prior to versions V7.0L20 and the Software Download Installer prior to WinSSInst2JP.exe and WinSSInst2iX1500JP.exe allows an attacker to gain privileges and execute arbitrary code with the privilege of the user invoking the installer via a Trojan horse DLL in an unspecified directory.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-07 20:09 UTC
CWE
  • Untrusted search path vulnerability
  • CWE-427 - Uncontrolled Search Path Element
Assigner
jpcert CNA under the jpcert root
CNA scorecard C 64/100 over 188 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
FUJITSU LIMITED and PFU LIMITED The installers of ScanSnap Manager and the Software Download Installer Affected: The installers of ScanSnap Manager prior to versions V7.0L20 and the Software Download Installer prior to WinSSInst2JP.exe and WinSSInst2iX1500JP.exe
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Show details on NVD website

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              "ASSIGNER": "vultures@jpcert.or.jp",
              "ID": "CVE-2021-20722",
              "STATE": "PUBLIC"
            },
            "affects": {
              "vendor": {
                "vendor_data": [
                  {
                    "product": {
                      "product_data": [
                        {
                          "product_name": "The installers of ScanSnap Manager and the Software Download Installer",
                          "version": {
                            "version_data": [
                              {
                                "version_value": "The installers of ScanSnap Manager prior to versions V7.0L20 and the Software Download Installer prior to WinSSInst2JP.exe and WinSSInst2iX1500JP.exe"
                              }
                            ]
                          }
                        }
                      ]
                    },
                    "vendor_name": "FUJITSU LIMITED and PFU LIMITED"
                  }
                ]
              }
            },
            "data_format": "MITRE",
            "data_type": "CVE",
            "data_version": "4.0",
            "description": {
              "description_data": [
                {
                  "lang": "eng",
                  "value": "Untrusted search path vulnerability in the installers of ScanSnap Manager prior to versions V7.0L20 and the Software Download Installer prior to WinSSInst2JP.exe and WinSSInst2iX1500JP.exe allows an attacker to gain privileges and execute arbitrary code with the privilege of the user invoking the installer via a Trojan horse DLL in an unspecified directory."
                }
              ]
            },
            "problemtype": {
              "problemtype_data": [
                {
                  "description": [
                    {
                      "lang": "eng",
                      "value": "Untrusted search path vulnerability"
                    }
                  ]
                }
              ]
            },
            "references": {
              "reference_data": [
                {
                  "name": "https://scansnap.fujitsu.com/global/dl/",
                  "refsource": "MISC",
                  "url": "https://scansnap.fujitsu.com/global/dl/"
                },
                {
                  "name": "https://jvn.jp/en/jp/JVN65733194/index.html",
                  "refsource": "MISC",
                  "url": "https://jvn.jp/en/jp/JVN65733194/index.html"
                }
              ]
            }
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce",
        "assignerShortName": "jpcert",
        "cveId": "CVE-2021-20722",
        "datePublished": "2021-05-24T03:20:29.000Z",
        "dateReserved": "2020-12-17T00:00:00.000Z",
        "dateUpdated": "2026-10-07T20:10:14.563Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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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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