fkie_cve-2021-40142
Vulnerability from fkie_nvd
Published
2021-08-27 07:15
Modified
2024-11-21 06:23
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
In OPC Foundation Local Discovery Server (LDS) before 1.04.402.463, remote attackers can cause a denial of service (DoS) by sending carefully crafted messages that lead to Access of a Memory Location After the End of a Buffer.
References
cve@mitre.orghttps://cert-portal.siemens.com/productcert/pdf/ssa-321292.pdfPatch, Third Party Advisory
cve@mitre.orghttps://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2021-40142.pdfPatch, Vendor Advisory
cve@mitre.orghttps://opcfoundation.org/security-bulletins/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://cert-portal.siemens.com/productcert/pdf/ssa-321292.pdfPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2021-40142.pdfPatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://opcfoundation.org/security-bulletins/Vendor Advisory
Impacted products
Vendor Product Version
opcfoundation local_discover_server *
siemens simatic_process_historian_opc_ua_server_firmware *
siemens simatic_process_historian_opc_ua_server_firmware 2022
siemens simatic_process_historian_opc_ua_server -
siemens simatic_net_pc 14
siemens simatic_net_pc 15
siemens simatic_net_pc 16
siemens simatic_net_pc 17
siemens simatic_wincc -
siemens simatic_wincc_runtime -
siemens simatic_wincc_unified_scada_runtime -
siemens telecontrol_server_basic 3.0


To clipboard 

{
   configurations: [
      {
         nodes: [
            {
               cpeMatch: [
                  {
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                     versionEndExcluding: "1.04.402.463",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
      {
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   ],
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "In OPC Foundation Local Discovery Server (LDS) before 1.04.402.463, remote attackers can cause a denial of service (DoS) by sending carefully crafted messages that lead to Access of a Memory Location After the End of a Buffer.",
      },
      {
         lang: "es",
         value: "En OPC Foundation Local Discovery Server (LDS) versiones anteriores a 1.04.402.463, unos atacantes remotos pueden causar una denegación de servicio (DoS) mediante el envío de mensajes cuidadosamente diseñados que conllevan a el Acceso a una Ubicación de Memoria Después del Final de un Búfer.",
      },
   ],
   id: "CVE-2021-40142",
   lastModified: "2024-11-21T06:23:38.860",
   metrics: {
      cvssMetricV2: [
         {
            acInsufInfo: false,
            baseSeverity: "MEDIUM",
            cvssData: {
               accessComplexity: "LOW",
               accessVector: "NETWORK",
               authentication: "NONE",
               availabilityImpact: "PARTIAL",
               baseScore: 5,
               confidentialityImpact: "NONE",
               integrityImpact: "NONE",
               vectorString: "AV:N/AC:L/Au:N/C:N/I:N/A:P",
               version: "2.0",
            },
            exploitabilityScore: 10,
            impactScore: 2.9,
            obtainAllPrivilege: false,
            obtainOtherPrivilege: false,
            obtainUserPrivilege: false,
            source: "nvd@nist.gov",
            type: "Primary",
            userInteractionRequired: false,
         },
      ],
      cvssMetricV31: [
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               attackVector: "NETWORK",
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               baseScore: 7.5,
               baseSeverity: "HIGH",
               confidentialityImpact: "NONE",
               integrityImpact: "NONE",
               privilegesRequired: "NONE",
               scope: "UNCHANGED",
               userInteraction: "NONE",
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            },
            exploitabilityScore: 3.9,
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            source: "cve@mitre.org",
            type: "Secondary",
         },
         {
            cvssData: {
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               attackVector: "NETWORK",
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               baseScore: 7.5,
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               confidentialityImpact: "NONE",
               integrityImpact: "NONE",
               privilegesRequired: "NONE",
               scope: "UNCHANGED",
               userInteraction: "NONE",
               vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
               version: "3.1",
            },
            exploitabilityScore: 3.9,
            impactScore: 3.6,
            source: "nvd@nist.gov",
            type: "Primary",
         },
      ],
   },
   published: "2021-08-27T07:15:08.630",
   references: [
      {
         source: "cve@mitre.org",
         tags: [
            "Patch",
            "Third Party Advisory",
         ],
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      },
      {
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      },
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         url: "https://opcfoundation.org/security-bulletins/",
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   ],
   sourceIdentifier: "cve@mitre.org",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-119",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


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