var-202302-1444
Vulnerability from variot

Multiple stack-based buffer overflow vulnerabilities [CWE-121] in the proxy daemon of FortiWeb 5.x all versions, 6.0.7 and below, 6.1.2 and below, 6.2.6 and below, 6.3.16 and below, 6.4 all versions may allow an unauthenticated remote attacker to achieve arbitrary code execution via specifically crafted HTTP requests. fortinet's Fortiweb Exists in an out-of-bounds write vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state

Show details on source website

To clipboard 

{
   "@context": {
      "@vocab": "https://www.variotdbs.pl/ref/VARIoTentry#",
      affected_products: {
         "@id": "https://www.variotdbs.pl/ref/affected_products",
      },
      credits: {
         "@id": "https://www.variotdbs.pl/ref/credits",
      },
      cvss: {
         "@id": "https://www.variotdbs.pl/ref/cvss/",
      },
      description: {
         "@id": "https://www.variotdbs.pl/ref/description/",
      },
      exploit_availability: {
         "@id": "https://www.variotdbs.pl/ref/exploit_availability/",
      },
      external_ids: {
         "@id": "https://www.variotdbs.pl/ref/external_ids/",
      },
      iot: {
         "@id": "https://www.variotdbs.pl/ref/iot/",
      },
      iot_taxonomy: {
         "@id": "https://www.variotdbs.pl/ref/iot_taxonomy/",
      },
      patch: {
         "@id": "https://www.variotdbs.pl/ref/patch/",
      },
      problemtype_data: {
         "@id": "https://www.variotdbs.pl/ref/problemtype_data/",
      },
      references: {
         "@id": "https://www.variotdbs.pl/ref/references/",
      },
      sources: {
         "@id": "https://www.variotdbs.pl/ref/sources/",
      },
      sources_release_date: {
         "@id": "https://www.variotdbs.pl/ref/sources_release_date/",
      },
      sources_update_date: {
         "@id": "https://www.variotdbs.pl/ref/sources_update_date/",
      },
      threat_type: {
         "@id": "https://www.variotdbs.pl/ref/threat_type/",
      },
      title: {
         "@id": "https://www.variotdbs.pl/ref/title/",
      },
      type: {
         "@id": "https://www.variotdbs.pl/ref/type/",
      },
   },
   "@id": "https://www.variotdbs.pl/vuln/VAR-202302-1444",
   affected_products: {
      "@context": {
         "@vocab": "https://www.variotdbs.pl/ref/affected_products#",
         data: {
            "@container": "@list",
         },
         sources: {
            "@container": "@list",
            "@context": {
               "@vocab": "https://www.variotdbs.pl/ref/sources#",
            },
            "@id": "https://www.variotdbs.pl/ref/sources",
         },
      },
      data: [
         {
            model: "fortiweb",
            scope: "lt",
            trust: 1,
            vendor: "fortinet",
            version: "6.0.8",
         },
         {
            model: "fortiweb",
            scope: "gte",
            trust: 1,
            vendor: "fortinet",
            version: "6.4.0",
         },
         {
            model: "fortiweb",
            scope: "lte",
            trust: 1,
            vendor: "fortinet",
            version: "6.4.2",
         },
         {
            model: "fortiweb",
            scope: "lt",
            trust: 1,
            vendor: "fortinet",
            version: "6.3.17",
         },
         {
            model: "fortiweb",
            scope: "gte",
            trust: 1,
            vendor: "fortinet",
            version: "5.6.0",
         },
         {
            model: "fortiweb",
            scope: "gte",
            trust: 1,
            vendor: "fortinet",
            version: "6.3.0",
         },
         {
            model: "fortiweb",
            scope: "gte",
            trust: 1,
            vendor: "fortinet",
            version: "6.1.0",
         },
         {
            model: "fortiweb",
            scope: "lt",
            trust: 1,
            vendor: "fortinet",
            version: "6.2.7",
         },
         {
            model: "fortiweb",
            scope: "lt",
            trust: 1,
            vendor: "fortinet",
            version: "6.1.3",
         },
         {
            model: "fortiweb",
            scope: "gte",
            trust: 1,
            vendor: "fortinet",
            version: "6.2.0",
         },
         {
            model: "fortiweb",
            scope: "eq",
            trust: 0.8,
            vendor: "フォーティネット",
            version: "5.6.0  that's all  6.0.8",
         },
         {
            model: "fortiweb",
            scope: "eq",
            trust: 0.8,
            vendor: "フォーティネット",
            version: "6.4.0  to  6.4.2",
         },
         {
            model: "fortiweb",
            scope: "eq",
            trust: 0.8,
            vendor: "フォーティネット",
            version: null,
         },
         {
            model: "fortiweb",
            scope: "eq",
            trust: 0.8,
            vendor: "フォーティネット",
            version: "6.2.0  that's all  6.2.7",
         },
         {
            model: "fortiweb",
            scope: "eq",
            trust: 0.8,
            vendor: "フォーティネット",
            version: "6.3.0  that's all  6.3.17",
         },
         {
            model: "fortiweb",
            scope: "eq",
            trust: 0.8,
            vendor: "フォーティネット",
            version: "6.1.0  that's all  6.1.3",
         },
      ],
      sources: [
         {
            db: "JVNDB",
            id: "JVNDB-2023-004483",
         },
         {
            db: "NVD",
            id: "CVE-2021-42756",
         },
      ],
   },
   cve: "CVE-2021-42756",
   cvss: {
      "@context": {
         cvssV2: {
            "@container": "@list",
            "@context": {
               "@vocab": "https://www.variotdbs.pl/ref/cvss/cvssV2#",
            },
            "@id": "https://www.variotdbs.pl/ref/cvss/cvssV2",
         },
         cvssV3: {
            "@container": "@list",
            "@context": {
               "@vocab": "https://www.variotdbs.pl/ref/cvss/cvssV3#",
            },
            "@id": "https://www.variotdbs.pl/ref/cvss/cvssV3/",
         },
         severity: {
            "@container": "@list",
            "@context": {
               "@vocab": "https://www.variotdbs.pl/cvss/severity#",
            },
            "@id": "https://www.variotdbs.pl/ref/cvss/severity",
         },
         sources: {
            "@container": "@list",
            "@context": {
               "@vocab": "https://www.variotdbs.pl/ref/sources#",
            },
            "@id": "https://www.variotdbs.pl/ref/sources",
         },
      },
      data: [
         {
            cvssV2: [],
            cvssV3: [
               {
                  attackComplexity: "LOW",
                  attackVector: "NETWORK",
                  author: "nvd@nist.gov",
                  availabilityImpact: "HIGH",
                  baseScore: 9.8,
                  baseSeverity: "CRITICAL",
                  confidentialityImpact: "HIGH",
                  exploitabilityScore: 3.9,
                  id: "CVE-2021-42756",
                  impactScore: 5.9,
                  integrityImpact: "HIGH",
                  privilegesRequired: "NONE",
                  scope: "UNCHANGED",
                  trust: 2,
                  userInteraction: "NONE",
                  vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  version: "3.1",
               },
               {
                  attackComplexity: "Low",
                  attackVector: "Network",
                  author: "NVD",
                  availabilityImpact: "High",
                  baseScore: 9.8,
                  baseSeverity: "Critical",
                  confidentialityImpact: "High",
                  exploitabilityScore: null,
                  id: "CVE-2021-42756",
                  impactScore: null,
                  integrityImpact: "High",
                  privilegesRequired: "None",
                  scope: "Unchanged",
                  trust: 0.8,
                  userInteraction: "None",
                  vectorString: "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  version: "3.0",
               },
            ],
            severity: [
               {
                  author: "nvd@nist.gov",
                  id: "CVE-2021-42756",
                  trust: 1,
                  value: "CRITICAL",
               },
               {
                  author: "psirt@fortinet.com",
                  id: "CVE-2021-42756",
                  trust: 1,
                  value: "CRITICAL",
               },
               {
                  author: "NVD",
                  id: "CVE-2021-42756",
                  trust: 0.8,
                  value: "Critical",
               },
               {
                  author: "CNNVD",
                  id: "CNNVD-202302-1453",
                  trust: 0.6,
                  value: "CRITICAL",
               },
            ],
         },
      ],
      sources: [
         {
            db: "JVNDB",
            id: "JVNDB-2023-004483",
         },
         {
            db: "CNNVD",
            id: "CNNVD-202302-1453",
         },
         {
            db: "NVD",
            id: "CVE-2021-42756",
         },
         {
            db: "NVD",
            id: "CVE-2021-42756",
         },
      ],
   },
   description: {
      "@context": {
         "@vocab": "https://www.variotdbs.pl/ref/description#",
         sources: {
            "@container": "@list",
            "@context": {
               "@vocab": "https://www.variotdbs.pl/ref/sources#",
            },
         },
      },
      data: "Multiple stack-based buffer overflow vulnerabilities [CWE-121] in the proxy daemon of FortiWeb 5.x all versions, 6.0.7 and below, 6.1.2 and below, 6.2.6 and below, 6.3.16 and below, 6.4 all versions may allow an unauthenticated remote attacker to achieve arbitrary code execution via specifically crafted HTTP requests. fortinet's Fortiweb Exists in an out-of-bounds write vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state",
      sources: [
         {
            db: "NVD",
            id: "CVE-2021-42756",
         },
         {
            db: "JVNDB",
            id: "JVNDB-2023-004483",
         },
         {
            db: "VULHUB",
            id: "VHN-403818",
         },
         {
            db: "VULMON",
            id: "CVE-2021-42756",
         },
      ],
      trust: 1.8,
   },
   external_ids: {
      "@context": {
         "@vocab": "https://www.variotdbs.pl/ref/external_ids#",
         data: {
            "@container": "@list",
         },
         sources: {
            "@container": "@list",
            "@context": {
               "@vocab": "https://www.variotdbs.pl/ref/sources#",
            },
         },
      },
      data: [
         {
            db: "NVD",
            id: "CVE-2021-42756",
            trust: 3.4,
         },
         {
            db: "JVNDB",
            id: "JVNDB-2023-004483",
            trust: 0.8,
         },
         {
            db: "AUSCERT",
            id: "ESB-2023.1049",
            trust: 0.6,
         },
         {
            db: "CNNVD",
            id: "CNNVD-202302-1453",
            trust: 0.6,
         },
         {
            db: "VULHUB",
            id: "VHN-403818",
            trust: 0.1,
         },
         {
            db: "VULMON",
            id: "CVE-2021-42756",
            trust: 0.1,
         },
      ],
      sources: [
         {
            db: "VULHUB",
            id: "VHN-403818",
         },
         {
            db: "VULMON",
            id: "CVE-2021-42756",
         },
         {
            db: "JVNDB",
            id: "JVNDB-2023-004483",
         },
         {
            db: "CNNVD",
            id: "CNNVD-202302-1453",
         },
         {
            db: "NVD",
            id: "CVE-2021-42756",
         },
      ],
   },
   id: "VAR-202302-1444",
   iot: {
      "@context": {
         "@vocab": "https://www.variotdbs.pl/ref/iot#",
         sources: {
            "@container": "@list",
            "@context": {
               "@vocab": "https://www.variotdbs.pl/ref/sources#",
            },
         },
      },
      data: true,
      sources: [
         {
            db: "VULHUB",
            id: "VHN-403818",
         },
      ],
      trust: 0.01,
   },
   last_update_date: "2024-08-14T14:02:02.726000Z",
   patch: {
      "@context": {
         "@vocab": "https://www.variotdbs.pl/ref/patch#",
         data: {
            "@container": "@list",
         },
         sources: {
            "@container": "@list",
            "@context": {
               "@vocab": "https://www.variotdbs.pl/ref/sources#",
            },
         },
      },
      data: [
         {
            title: "fortiguard.com (FG-IR-21-186)",
            trust: 0.8,
            url: "https://fortiguard.com/psirt/FG-IR-21-186",
         },
         {
            title: "Fortinet FortiWeb Buffer error vulnerability fix",
            trust: 0.6,
            url: "http://123.124.177.30/web/xxk/bdxqById.tag?id=226819",
         },
      ],
      sources: [
         {
            db: "JVNDB",
            id: "JVNDB-2023-004483",
         },
         {
            db: "CNNVD",
            id: "CNNVD-202302-1453",
         },
      ],
   },
   problemtype_data: {
      "@context": {
         "@vocab": "https://www.variotdbs.pl/ref/problemtype_data#",
         sources: {
            "@container": "@list",
            "@context": {
               "@vocab": "https://www.variotdbs.pl/ref/sources#",
            },
         },
      },
      data: [
         {
            problemtype: "CWE-787",
            trust: 1.1,
         },
         {
            problemtype: "CWE-121",
            trust: 1,
         },
         {
            problemtype: "Out-of-bounds writing (CWE-787) [NVD evaluation ]",
            trust: 0.8,
         },
      ],
      sources: [
         {
            db: "VULHUB",
            id: "VHN-403818",
         },
         {
            db: "JVNDB",
            id: "JVNDB-2023-004483",
         },
         {
            db: "NVD",
            id: "CVE-2021-42756",
         },
      ],
   },
   references: {
      "@context": {
         "@vocab": "https://www.variotdbs.pl/ref/references#",
         data: {
            "@container": "@list",
         },
         sources: {
            "@container": "@list",
            "@context": {
               "@vocab": "https://www.variotdbs.pl/ref/sources#",
            },
         },
      },
      data: [
         {
            trust: 1.8,
            url: "https://fortiguard.com/psirt/fg-ir-21-186",
         },
         {
            trust: 0.8,
            url: "https://nvd.nist.gov/vuln/detail/cve-2021-42756",
         },
         {
            trust: 0.6,
            url: "https://cxsecurity.com/cveshow/cve-2021-42756/",
         },
         {
            trust: 0.6,
            url: "https://www.auscert.org.au/bulletins/esb-2023.1049",
         },
         {
            trust: 0.1,
            url: "https://nvd.nist.gov",
         },
      ],
      sources: [
         {
            db: "VULHUB",
            id: "VHN-403818",
         },
         {
            db: "VULMON",
            id: "CVE-2021-42756",
         },
         {
            db: "JVNDB",
            id: "JVNDB-2023-004483",
         },
         {
            db: "CNNVD",
            id: "CNNVD-202302-1453",
         },
         {
            db: "NVD",
            id: "CVE-2021-42756",
         },
      ],
   },
   sources: {
      "@context": {
         "@vocab": "https://www.variotdbs.pl/ref/sources#",
         data: {
            "@container": "@list",
         },
      },
      data: [
         {
            db: "VULHUB",
            id: "VHN-403818",
         },
         {
            db: "VULMON",
            id: "CVE-2021-42756",
         },
         {
            db: "JVNDB",
            id: "JVNDB-2023-004483",
         },
         {
            db: "CNNVD",
            id: "CNNVD-202302-1453",
         },
         {
            db: "NVD",
            id: "CVE-2021-42756",
         },
      ],
   },
   sources_release_date: {
      "@context": {
         "@vocab": "https://www.variotdbs.pl/ref/sources_release_date#",
         data: {
            "@container": "@list",
         },
      },
      data: [
         {
            date: "2023-02-16T00:00:00",
            db: "VULHUB",
            id: "VHN-403818",
         },
         {
            date: "2023-02-16T00:00:00",
            db: "VULMON",
            id: "CVE-2021-42756",
         },
         {
            date: "2023-10-30T00:00:00",
            db: "JVNDB",
            id: "JVNDB-2023-004483",
         },
         {
            date: "2023-02-16T00:00:00",
            db: "CNNVD",
            id: "CNNVD-202302-1453",
         },
         {
            date: "2023-02-16T19:15:11.500000",
            db: "NVD",
            id: "CVE-2021-42756",
         },
      ],
   },
   sources_update_date: {
      "@context": {
         "@vocab": "https://www.variotdbs.pl/ref/sources_update_date#",
         data: {
            "@container": "@list",
         },
      },
      data: [
         {
            date: "2023-02-24T00:00:00",
            db: "VULHUB",
            id: "VHN-403818",
         },
         {
            date: "2023-02-16T00:00:00",
            db: "VULMON",
            id: "CVE-2021-42756",
         },
         {
            date: "2023-10-30T07:42:00",
            db: "JVNDB",
            id: "JVNDB-2023-004483",
         },
         {
            date: "2023-02-27T00:00:00",
            db: "CNNVD",
            id: "CNNVD-202302-1453",
         },
         {
            date: "2023-11-07T03:39:14.427000",
            db: "NVD",
            id: "CVE-2021-42756",
         },
      ],
   },
   threat_type: {
      "@context": {
         "@vocab": "https://www.variotdbs.pl/ref/threat_type#",
         sources: {
            "@container": "@list",
            "@context": {
               "@vocab": "https://www.variotdbs.pl/ref/sources#",
            },
         },
      },
      data: "remote",
      sources: [
         {
            db: "CNNVD",
            id: "CNNVD-202302-1453",
         },
      ],
      trust: 0.6,
   },
   title: {
      "@context": {
         "@vocab": "https://www.variotdbs.pl/ref/title#",
         sources: {
            "@container": "@list",
            "@context": {
               "@vocab": "https://www.variotdbs.pl/ref/sources#",
            },
         },
      },
      data: "fortinet's  Fortiweb  Out-of-bounds write vulnerability in",
      sources: [
         {
            db: "JVNDB",
            id: "JVNDB-2023-004483",
         },
      ],
      trust: 0.8,
   },
   type: {
      "@context": {
         "@vocab": "https://www.variotdbs.pl/ref/type#",
         sources: {
            "@container": "@list",
            "@context": {
               "@vocab": "https://www.variotdbs.pl/ref/sources#",
            },
         },
      },
      data: "buffer error",
      sources: [
         {
            db: "CNNVD",
            id: "CNNVD-202302-1453",
         },
      ],
      trust: 0.6,
   },
}


Log in or create an account to share your comment.

Security Advisory comment format.

This schema specifies the format of a comment related to a security advisory.

UUIDv4 of the comment
UUIDv4 of the Vulnerability-Lookup instance
When the comment was created originally
When the comment was last updated
Title of the comment
Description of the comment
The identifier of the vulnerability (CVE ID, GHSA-ID, PYSEC ID, etc.).



Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.