CVE-2020-5666 (GCVE-0-2020-5666)

Vulnerability from cvelistv5 – Published: 2020-11-16 00:49 – Updated: 2024-08-04 08:39
VLAI?
Summary
Uncontrolled resource consumption vulnerability in MELSEC iQ-R Series CPU Modules (R00/01/02CPU Firmware versions from '05' to '19' and R04/08/16/32/120(EN)CPU Firmware versions from '35' to '51') allows a remote attacker to cause an error in a CPU unit via a specially crafted HTTP packet, which may lead to a denial-of-service (DoS) condition in execution of the program and its communication.
Severity ?
No CVSS data available.
CWE
  • Uncontrolled resource consumption vulnerability in MELSEC iQ-R Series CPU Modules (R00/01/02CPU Firmware versions from '05' to '19' and R04/08/16/32/120(EN)CPU Firmware versions from '35' to '51') allows a remote attacker to cause an error in a CPU unit via a specially crafted HTTP packet, which may lead to a denial-of-service (DoS) condition in execution of the program and its communication.
Assigner
References
Impacted products
Vendor Product Version
Mitsubishi Electric Corporation MELSEC iQ-R Series CPU Modules Affected: R00/01/02CPU Firmware versions from '05' to '19' and R04/08/16/32/120(EN)CPU Firmware versions from '35' to '51'
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comunicaci\u00f3n\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:N/I:N/A:C\",\"baseScore\":7.1,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":8.6,\"impactScore\":6.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-400\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:mitsubishielectric:melsec_iq-r00_firmware:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"05\",\"versionEndIncluding\":\"19\",\"matchCriteriaId\":\"BF204201-AB24-4566-93C1-8997D722541D\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:mitsubishielectric:melsec_iq-r00:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E329BB01-55F3-4ACA-83B1-C0A37C3C40DF\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:mitsubishielectric:melsec_iq-r01_firmware:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"05\",\"versionEndIncluding\":\"19\",\"matchCriteriaId\":\"E095A274-0E64-404F-8336-B5E0317E71E8\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:mitsubishielectric:melsec_iq-r01:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"3D2AB2EF-3607-4445-B144-1D2B8E84AFCD\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:mitsubishielectric:melsec_iq-r02_firmware:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"05\",\"versionEndIncluding\":\"19\",\"matchCriteriaId\":\"C7FDCBD2-7935-45ED-BC4A-393CFCC5AD09\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:mitsubishielectric:melsec_iq-r02:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9A6A0DF8-2920-440E-9077-A51D574EB506\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:mitsubishielectric:melsec_iq-r04_firmware:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"35\",\"versionEndIncluding\":\"51\",\"matchCriteriaId\":\"FE4DAD06-541F-42B3-93A3-4F8F7D7E849D\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:mitsubishielectric:melsec_iq-r04:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"58BDB040-8491-4C58-AC89-8C4826CC43BF\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:mitsubishielectric:melsec_iq-r16_firmware:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"35\",\"versionEndIncluding\":\"51\",\"matchCriteriaId\":\"72FA6BE6-0B85-4D48-A11B-A82C7427841A\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:mitsubishielectric:melsec_iq-r16:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5B3970C4-CE18-458B-829B-B9672B14B136\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:mitsubishielectric:melsec_iq-r08_firmware:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"35\",\"versionEndIncluding\":\"51\",\"matchCriteriaId\":\"9E4DB9F1-D664-4297-9F2D-6B433A9F214A\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:mitsubishielectric:melsec_iq-r08:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"61A9CB49-8C99-469B-A6BB-B11D91851274\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:mitsubishielectric:melsec_iq-r32_firmware:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"35\",\"versionEndIncluding\":\"51\",\"matchCriteriaId\":\"AC59FDC8-F352-479E-8AA1-3A7CF6283629\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:mitsubishielectric:melsec_iq-r32:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B387F367-2655-4511-A157-FB9C12B58B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Party Advisory\"]},{\"url\":\"https://jvn.jp/jp/JVN44764844/index.html\",\"source\":\"vultures@jpcert.or.jp\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://us-cert.cisa.gov/ics/advisories/icsa-20-317-01\",\"source\":\"vultures@jpcert.or.jp\",\"tags\":[\"Third Party Advisory\",\"US Government Resource\"]},{\"url\":\"https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-015_en.pdf\",\"source\":\"vultures@jpcert.or.jp\",\"tags\":[\"Mitigation\",\"Vendor Advisory\"]},{\"url\":\"https://jvn.jp/en/jp/JVN44764844/index.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://jvn.jp/jp/JVN44764844/index.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://us-cert.cisa.gov/ics/advisories/icsa-20-317-01\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"US Government 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  }
}


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Sightings

Author Source Type Date

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.