CVE-2022-26122
Vulnerability from cvelistv5
Published
2022-11-02 00:00
Modified
2024-10-22 20:53
Severity ?
4.7 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N/E:P/RL:U/RC:R
EPSS score ?
0.07% (0.35173)
Summary
An insufficient verification of data authenticity vulnerability [CWE-345] in FortiClient, FortiMail and FortiOS AV engines version 6.2.168 and below and version 6.4.274 and below may allow an attacker to bypass the AV engine via manipulating MIME attachment with junk and pad characters in base64.
References
psirt@fortinet.comhttps://fortiguard.com/psirt/FG-IR-22-074Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://fortiguard.com/psirt/FG-IR-22-074Patch, Vendor Advisory
Impacted products
Vendor Product Version
Fortinet Fortinet AV Engine, FortiMail, FortiOS, FortiClient Version: AV Engine version 6.2.168 and below and version 6.4.274 and below.
 Create a notification for this product.
Show details on NVD website

To clipboard 

{
   containers: {
      adp: [
         {
            providerMetadata: {
               dateUpdated: "2024-08-03T04:56:37.592Z",
               orgId: "af854a3a-2127-422b-91ae-364da2661108",
               shortName: "CVE",
            },
            references: [
               {
                  tags: [
                     "x_transferred",
                  ],
                  url: "https://fortiguard.com/psirt/FG-IR-22-074",
               },
            ],
            title: "CVE Program Container",
         },
         {
            metrics: [
               {
                  other: {
                     content: {
                        id: "CVE-2022-26122",
                        options: [
                           {
                              Exploitation: "none",
                           },
                           {
                              Automatable: "no",
                           },
                           {
                              "Technical Impact": "partial",
                           },
                        ],
                        role: "CISA Coordinator",
                        timestamp: "2024-10-22T20:19:05.845844Z",
                        version: "2.0.3",
                     },
                     type: "ssvc",
                  },
               },
            ],
            providerMetadata: {
               dateUpdated: "2024-10-22T20:53:22.490Z",
               orgId: "134c704f-9b21-4f2e-91b3-4a467353bcc0",
               shortName: "CISA-ADP",
            },
            title: "CISA ADP Vulnrichment",
         },
      ],
      cna: {
         affected: [
            {
               product: "Fortinet AV Engine, FortiMail, FortiOS, FortiClient",
               vendor: "Fortinet",
               versions: [
                  {
                     status: "affected",
                     version: "AV Engine version 6.2.168 and below and version 6.4.274 and below.",
                  },
               ],
            },
         ],
         descriptions: [
            {
               lang: "en",
               value: "An insufficient verification of data authenticity vulnerability [CWE-345] in FortiClient, FortiMail and FortiOS AV engines version 6.2.168 and below and version 6.4.274 and below may allow an attacker to bypass the AV engine via manipulating MIME attachment with junk and pad characters in base64.",
            },
         ],
         metrics: [
            {
               cvssV3_1: {
                  attackComplexity: "LOW",
                  attackVector: "NETWORK",
                  availabilityImpact: "NONE",
                  baseScore: 4.7,
                  baseSeverity: "MEDIUM",
                  confidentialityImpact: "NONE",
                  exploitCodeMaturity: "PROOF_OF_CONCEPT",
                  integrityImpact: "LOW",
                  privilegesRequired: "NONE",
                  remediationLevel: "UNAVAILABLE",
                  reportConfidence: "REASONABLE",
                  scope: "CHANGED",
                  temporalScore: 4.3,
                  temporalSeverity: "MEDIUM",
                  userInteraction: "REQUIRED",
                  vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N/E:P/RL:U/RC:R",
                  version: "3.1",
               },
            },
         ],
         problemTypes: [
            {
               descriptions: [
                  {
                     description: "Denial of service",
                     lang: "en",
                     type: "text",
                  },
               ],
            },
         ],
         providerMetadata: {
            dateUpdated: "2022-11-02T00:00:00",
            orgId: "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
            shortName: "fortinet",
         },
         references: [
            {
               url: "https://fortiguard.com/psirt/FG-IR-22-074",
            },
         ],
      },
   },
   cveMetadata: {
      assignerOrgId: "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
      assignerShortName: "fortinet",
      cveId: "CVE-2022-26122",
      datePublished: "2022-11-02T00:00:00",
      dateReserved: "2022-02-25T00:00:00",
      dateUpdated: "2024-10-22T20:53:22.490Z",
      state: "PUBLISHED",
   },
   dataType: "CVE_RECORD",
   dataVersion: "5.1",
   "vulnerability-lookup:meta": {
      nvd: "{\"cve\":{\"id\":\"CVE-2022-26122\",\"sourceIdentifier\":\"psirt@fortinet.com\",\"published\":\"2022-11-02T12:15:52.747\",\"lastModified\":\"2024-11-21T06:53:28.560\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An insufficient verification of data authenticity vulnerability [CWE-345] in FortiClient, FortiMail and FortiOS AV engines version 6.2.168 and below and version 6.4.274 and below may allow an attacker to bypass the AV engine via manipulating MIME attachment with junk and pad characters in base64.\"},{\"lang\":\"es\",\"value\":\"Una verificación insuficiente de la vulnerabilidad de autenticidad de datos [CWE-345] en los motores FortiClient, FortiMail y FortiOS AV versión 6.2.168 e inferiores y la versión 6.4.274 e inferiores puede permitir a un atacante eludir el motor AV mediante la manipulación del archivo adjunto MIME con basura y pad. caracteres en base64.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"psirt@fortinet.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N\",\"baseScore\":4.7,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":1.4},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N\",\"baseScore\":8.6,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":4.0}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-345\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fortinet:antivirus_engine:0.4.23:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4E472D86-EC41-4AC8-AA7E-E2D94F123680\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fortinet:antivirus_engine:2.0.49:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"0A6024DF-0DB4-420B-8226-1CBD55A92364\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fortinet:antivirus_engine:2.0.60:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"BF2C1609-3538-4419-B75C-32C84B21A75D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fortinet:antivirus_engine:4.4.54:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"7051D640-5891-415E-8A77-F68C35134954\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fortinet:antivirus_engine:6.33:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4AE41E36-D7B9-42F0-9C34-FA18F081B2C0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fortinet:antivirus_engine:6.137:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B51453FA-C7D3-481B-BC3B-46D94009E3FA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fortinet:antivirus_engine:6.142:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"35E2F910-2553-4DC8-8730-0A0BF16A91B0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fortinet:antivirus_engine:6.144:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"17870D25-F9BF-47F3-A63F-63DCF0C0A4D1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fortinet:antivirus_engine:6.145:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F532E565-F438-4268-BEE3-F27B9B44EC8F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fortinet:antivirus_engine:6.156:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"AA32EE02-B802-43B8-A57C-3D8680C22573\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fortinet:antivirus_engine:6.157:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"024D9F08-76C9-4E10-873E-6A4B618CE44F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fortinet:antivirus_engine:6.243:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"250CDE83-42CA-4F2C-83DB-1274B3B8C75D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fortinet:antivirus_engine:6.252:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"3B167E24-C4B2-4A06-8987-D49812D69D29\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fortinet:antivirus_engine:6.253:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B7B97F13-AB4A-4114-BF89-D57945506991\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fortinet:fortimail:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.0.0\",\"versionEndIncluding\":\"6.0.12\",\"matchCriteriaId\":\"01F784BF-4F89-4938-9150-F911E3EB6CD0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fortinet:fortimail:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2.0\",\"versionEndIncluding\":\"6.2.9\",\"matchCriteriaId\":\"AEDC7EE8-084C-4F9E-A510-E283FCDF9832\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fortinet:fortimail:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.4.0\",\"versionEndIncluding\":\"6.4.6\",\"matchCriteriaId\":\"C0A5C345-7055-4F18-AE77-FF1DBE41AB89\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fortinet:fortimail:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"7.0.0\",\"versionEndIncluding\":\"7.0.2\",\"matchCriteriaId\":\"43038EC9-6FD3-488C-8CA3-8B4A705C3E11\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:fortinet:fortimail:4.1.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"2822C6B9-7FD5-4E1B-907B-F324F28A82A3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.0.0\",\"versionEndIncluding\":\"6.0.15\",\"matchCriteriaId\":\"7CB40CF0-CC6A-44A5-BC5D-70DC7CA78D49\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2.0\",\"versionEndIncluding\":\"6.2.11\",\"matchCriteriaId\":\"E417AB31-3C1E-47C9-941B-36026B4379E8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.4.0\",\"versionEndIncluding\":\"6.4.10\",\"matchCriteriaId\":\"FF6F9869-F824-4519-986E-A032668EA7BA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"7.0.0\",\"versionEndIncluding\":\"7.0.6\",\"matchCriteriaId\":\"DE466DB5-F176-45E6-B017-A658A0B74836\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:fortinet:fortios:7.2.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B9B87A2A-4C83-448B-8009-AD20214D58CB\"}]}]}],\"references\":[{\"url\":\"https://fortiguard.com/psirt/FG-IR-22-074\",\"source\":\"psirt@fortinet.com\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://fortiguard.com/psirt/FG-IR-22-074\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Vendor Advisory\"]}]}}",
      vulnrichment: {
         containers: "{\"cna\": {\"providerMetadata\": {\"orgId\": \"6abe59d8-c742-4dff-8ce8-9b0ca1073da8\", \"shortName\": \"fortinet\", \"dateUpdated\": \"2022-11-02T00:00:00\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"An insufficient verification of data authenticity vulnerability [CWE-345] in FortiClient, FortiMail and FortiOS AV engines version 6.2.168 and below and version 6.4.274 and below may allow an attacker to bypass the AV engine via manipulating MIME attachment with junk and pad characters in base64.\"}], \"affected\": [{\"vendor\": \"Fortinet\", \"product\": \"Fortinet AV Engine, FortiMail, FortiOS, FortiClient\", \"versions\": [{\"version\": \"AV Engine version 6.2.168 and below and version 6.4.274 and below.\", \"status\": \"affected\"}]}], \"references\": [{\"url\": \"https://fortiguard.com/psirt/FG-IR-22-074\"}], \"metrics\": [{\"cvssV3_1\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N/E:P/RL:U/RC:R\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"REQUIRED\", \"scope\": \"CHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"LOW\", \"availabilityImpact\": \"NONE\", \"exploitCodeMaturity\": \"PROOF_OF_CONCEPT\", \"remediationLevel\": \"UNAVAILABLE\", \"reportConfidence\": \"REASONABLE\", \"baseScore\": 4.7, \"temporalScore\": 4.3, \"baseSeverity\": \"MEDIUM\", \"temporalSeverity\": \"MEDIUM\"}}], \"problemTypes\": [{\"descriptions\": [{\"type\": \"text\", \"lang\": \"en\", \"description\": \"Denial of service\"}]}]}, \"adp\": [{\"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-03T04:56:37.592Z\"}, \"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://fortiguard.com/psirt/FG-IR-22-074\", \"tags\": [\"x_transferred\"]}]}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2022-26122\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-10-22T20:19:05.845844Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-10-22T20:21:22.410Z\"}}]}",
         cveMetadata: "{\"state\": \"PUBLISHED\", \"cveId\": \"CVE-2022-26122\", \"assignerOrgId\": \"6abe59d8-c742-4dff-8ce8-9b0ca1073da8\", \"assignerShortName\": \"fortinet\", \"dateUpdated\": \"2024-10-22T20:53:22.490Z\", \"dateReserved\": \"2022-02-25T00:00:00\", \"datePublished\": \"2022-11-02T00:00:00\"}",
         dataType: "CVE_RECORD",
         dataVersion: "5.1",
      },
   },
}


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.