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

CVE-2021-33601 (GCVE-0-2021-33601)

Vulnerability from cvelistv5 – Published: 2021-09-28 09:08 – Updated: 2024-08-03 23:50
VLAI
Title
Arbitrary Code Execution in Web Interface of F-Secure Internet Gatekeeper
Summary
A vulnerability was discovered in the web user interface of F-Secure Internet Gatekeeper. An authenticated user can modify settings through the web user interface in a way that could lead to an arbitrary code execution on the F-Secure Internet Gatekeeper server.
Severity
7.6 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:H
CWE
  • Arbitrary Code Execution in Web Interface of F-Secure Internet Gatekeeper
Assigner
References
Impacted products
Vendor Product Version CPE status
F-Secure F-Secure Internet Gatekeeper Affected: 5 Series All Version
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T23:50:43.181Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33601"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "F-Secure Internet Gatekeeper",
          "vendor": "F-Secure",
          "versions": [
            {
              "status": "affected",
              "version": "5 Series All Version"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was discovered in the web user interface of F-Secure Internet Gatekeeper. An authenticated user can modify settings through the web user interface in a way that could lead to an arbitrary code execution on the F-Secure Internet Gatekeeper server."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.6,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Arbitrary Code Execution in Web Interface of F-Secure Internet Gatekeeper",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-09-28T09:08:33.000Z",
        "orgId": "126858f1-1b65-4b74-81ca-7034f7f7723f",
        "shortName": "F-SecureUS"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33601"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "FIX: Hotfix 9 will be published to fix this vulnerability. Download and instructions available at: https://www.f-secure.com/en/business/downloads/internet-gatekeeper"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Arbitrary Code Execution in Web Interface of F-Secure Internet Gatekeeper",
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve-notifications-us@f-secure.com",
          "ID": "CVE-2021-33601",
          "STATE": "PUBLIC",
          "TITLE": "Arbitrary Code Execution in Web Interface of F-Secure Internet Gatekeeper"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "F-Secure Internet Gatekeeper",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "=",
                            "version_name": "5 Series",
                            "version_value": "All Version"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "F-Secure"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A vulnerability was discovered in the web user interface of F-Secure Internet Gatekeeper. An authenticated user can modify settings through the web user interface in a way that could lead to an arbitrary code execution on the F-Secure Internet Gatekeeper server."
            }
          ]
        },
        "generator": {
          "engine": "Vulnogram 0.0.9"
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.6,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "LOW",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:H",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Arbitrary Code Execution in Web Interface of F-Secure Internet Gatekeeper"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame",
              "refsource": "MISC",
              "url": "https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame"
            },
            {
              "name": "https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33601",
              "refsource": "MISC",
              "url": "https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33601"
            }
          ]
        },
        "solution": [
          {
            "lang": "en",
            "value": "FIX: Hotfix 9 will be published to fix this vulnerability. Download and instructions available at: https://www.f-secure.com/en/business/downloads/internet-gatekeeper"
          }
        ],
        "source": {
          "discovery": "EXTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "126858f1-1b65-4b74-81ca-7034f7f7723f",
    "assignerShortName": "F-SecureUS",
    "cveId": "CVE-2021-33601",
    "datePublished": "2021-09-28T09:08:33.000Z",
    "dateReserved": "2021-05-27T00:00:00.000Z",
    "dateUpdated": "2024-08-03T23:50:43.181Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2021-33601",
      "date": "2026-09-16",
      "epss": "0.00942",
      "percentile": "0.59236"
    },
    "fkie_nvd": {
      "configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:f-secure:internet_gatekeeper:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"5.10\", \"versionEndIncluding\": \"5.50.47\", \"matchCriteriaId\": \"936FB1DB-B0AF-4E46-AFB0-FF10D9A008DD\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"A vulnerability was discovered in the web user interface of F-Secure Internet Gatekeeper. An authenticated user can modify settings through the web user interface in a way that could lead to an arbitrary code execution on the F-Secure Internet Gatekeeper server.\"}, {\"lang\": \"es\", \"value\": \"Se ha detectado una vulnerabilidad en la interfaz de usuario web de F-Secure Internet Gatekeeper. Un usuario autenticado puede modificar la configuraci\\u00f3n mediante la interfaz de usuario web de forma que podr\\u00eda conllevar una ejecuci\\u00f3n de c\\u00f3digo arbitrario en el servidor de F-Secure Internet Gatekeeper\"}]",
      "id": "CVE-2021-33601",
      "lastModified": "2024-11-21T06:09:10.783",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"cve-notifications-us@f-secure.com\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:H\", \"baseScore\": 7.6, \"baseSeverity\": \"HIGH\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"REQUIRED\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"LOW\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 2.1, \"impactScore\": 5.5}, {\"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:H/I:H/A:H\", \"baseScore\": 8.8, \"baseSeverity\": \"HIGH\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 2.8, \"impactScore\": 5.9}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:L/Au:S/C:P/I:P/A:P\", \"baseScore\": 6.5, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"SINGLE\", \"confidentialityImpact\": \"PARTIAL\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 8.0, \"impactScore\": 6.4, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2021-09-28T10:15:08.167",
      "references": "[{\"url\": \"https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame\", \"source\": \"cve-notifications-us@f-secure.com\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33601\", \"source\": \"cve-notifications-us@f-secure.com\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33601\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}]",
      "sourceIdentifier": "cve-notifications-us@f-secure.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"NVD-CWE-noinfo\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-33601\",\"sourceIdentifier\":\"cve-notifications-us@f-secure.com\",\"published\":\"2021-09-28T10:15:08.167\",\"lastModified\":\"2024-11-21T06:09:10.783\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A vulnerability was discovered in the web user interface of F-Secure Internet Gatekeeper. An authenticated user can modify settings through the web user interface in a way that could lead to an arbitrary code execution on the F-Secure Internet Gatekeeper server.\"},{\"lang\":\"es\",\"value\":\"Se ha detectado una vulnerabilidad en la interfaz de usuario web de F-Secure Internet Gatekeeper. Un usuario autenticado puede modificar la configuraci\u00f3n mediante la interfaz de usuario web de forma que podr\u00eda conllevar una ejecuci\u00f3n de c\u00f3digo arbitrario en el servidor de F-Secure Internet Gatekeeper\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"cve-notifications-us@f-secure.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:H\",\"baseScore\":7.6,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"REQUIRED\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.1,\"impactScore\":5.5},{\"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:H/I:H/A:H\",\"baseScore\":8.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:S/C:P/I:P/A:P\",\"baseScore\":6.5,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"SINGLE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.0,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-noinfo\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:f-secure:internet_gatekeeper:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.10\",\"versionEndIncluding\":\"5.50.47\",\"matchCriteriaId\":\"936FB1DB-B0AF-4E46-AFB0-FF10D9A008DD\"}]}]}],\"references\":[{\"url\":\"https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame\",\"source\":\"cve-notifications-us@f-secure.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33601\",\"source\":\"cve-notifications-us@f-secure.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.f-secure.com/en/business/programs/vulnerability-reward-program/hall-of-fame\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.f-secure.com/en/business/support-and-downloads/security-advisories/cve-2021-33601\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]}]}}",
    "redhat_vex": {
      "current_release_date": "2026-03-27T13:58:52+00:00",
      "cve": "CVE-2021-33601",
      "id": "CVE-2021-33601",
      "initial_release_date": "2021-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Arbitrary Code Execution in Web Interface of F-Secure Internet Gatekeeper",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-33601.json",
      "version": "3"
    }
  }
}



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.