CVE-2021-27458 (GCVE-0-2021-27458)

Vulnerability from cvelistv5 – Published: 2021-04-19 21:07 – Updated: 2024-08-03 20:48
VLAI
Summary
If Ethernet communication of the JTEKT Corporation TOYOPUC product series’ (TOYOPUC-PC10 Series: PC10G-CPU TCC-6353: All versions, PC10GE TCC-6464: All versions, PC10P TCC-6372: All versions, PC10P-DP TCC-6726: All versions, PC10P-DP-IO TCC-6752: All versions, PC10B-P TCC-6373: All versions, PC10B TCC-1021: All versions, PC10B-E/C TCU-6521: All versions, PC10E TCC-4737: All versions; TOYOPUC-Plus Series: Plus CPU TCC-6740: All versions, Plus EX TCU-6741: All versions, Plus EX2 TCU-6858: All versions, Plus EFR TCU-6743: All versions, Plus EFR2 TCU-6859: All versions, Plus 2P-EFR TCU-6929: All versions, Plus BUS-EX TCU-6900: All versions; TOYOPUC-PC3J/PC2J Series: FL/ET-T-V2H THU-6289: All versions, 2PORT-EFR THU-6404: All versions) are left in an open state by an attacker, Ethernet communications cannot be established with other devices, depending on the settings of the link parameters.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-404 - IMPROPER RESOURCE SHUTDOWN OR RELEASE CWE-404
Assigner
References
Impacted products
Vendor Product Version
n/a JTEKT Corporation TOYOPUC products Affected: TOYOPUC-PC10 Series: PC10G-CPU TCC-6353: All versions, PC10GE TCC-6464: All versions, PC10P TCC-6372: All versions, PC10P-DP TCC-6726: All versions, PC10P-DP-IO TCC-6752: All versions, PC10B-P TCC-6373: All versions, PC10B TCC-1021: All versions, PC10B-E/C TCU-6521: All versions, PC10E TCC-4737: All versions
Affected: TOYOPUC-Plus Series: Plus CPU TCC-6740: All versions, Plus EX TCU-6741: All versions, Plus EX2 TCU-6858: All versions, Plus EFR TCU-6743: All versions, Plus EFR2 TCU-6859: All versions, Plus 2P-EFR TCU-6929: All versions, Plus BUS-EX TCU-6900: All versions
Affected: TOYOPUC-PC3J/PC2J Series: FL/ET-T-V2H THU-6289: All versions, 2PORT-EFR THU-6404: All versions
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      "descriptions": "[{\"lang\": \"en\", \"value\": \"If Ethernet communication of the JTEKT Corporation TOYOPUC product series\\u2019 (TOYOPUC-PC10 Series: PC10G-CPU TCC-6353: All versions, PC10GE TCC-6464: All versions, PC10P TCC-6372: All versions, PC10P-DP TCC-6726: All versions, PC10P-DP-IO TCC-6752: All versions, PC10B-P TCC-6373: All versions, PC10B TCC-1021: All versions, PC10B-E/C TCU-6521: All versions, PC10E TCC-4737: All versions; TOYOPUC-Plus Series: Plus CPU TCC-6740: All versions, Plus EX TCU-6741: All versions, Plus EX2 TCU-6858: All versions, Plus EFR TCU-6743: All versions, Plus EFR2 TCU-6859: All versions, Plus 2P-EFR TCU-6929: All versions, Plus BUS-EX TCU-6900: All versions; TOYOPUC-PC3J/PC2J Series: FL/ET-T-V2H THU-6289: All versions, 2PORT-EFR THU-6404: All versions) are left in an open state by an attacker, Ethernet communications cannot be established with other devices, depending on the settings of the link parameters.\"}, {\"lang\": \"es\", \"value\": \"Si la comunicaci\\u00f3n Ethernet de la serie de productos TOYOPUC de JTEKT Corporation\\\" (Serie TOYOPUC-PC10: PC10G-CPU TCC-6353: Todas las versiones, PC10GE TCC-6464: Todas las versiones, PC10P TCC-6372: Todas las versiones, PC10P-DP TCC-6726: Todas las versiones, PC10P-DP-IO TCC-6752: Todas las versiones, PC10B-P TCC-6373: Todas las versiones, PC10B TCC-1021: Todas las versiones, PC10B-E/C TCU-6521: Todas las versiones, PC10E TCC-4737: Todas las versiones; Serie TOYOPUC-Plus: Plus CPU TCC-6740: Todas las versiones, Plus EX TCU-6741: Todas las versiones, Plus EX2 TCU-6858: Todas las versiones, Plus EFR TCU-6743: Todas las versiones, Plus EFR2 TCU-6859: Todas las versiones, Plus 2P-EFR TCU-6929: Todas las versiones, Plus BUS-EX TCU-6900: Todas las versiones; Serie TOYOPUC-PC3J/PC2J: FL/ET-T-V2H THU-6289: Todas las versiones, 2PORT-EFR THU-6404: Todas las versiones) son dejadas en estado abierto por un atacante, las comunicaciones Ethernet no pueden ser establecidas con otros dispositivos, dependiendo de la configuraci\\u00f3n de los par\\u00e1metros del enlace\"}]",
      "id": "CVE-2021-27458",
      "lastModified": "2024-11-21T05:58:01.843",
      "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:L/Au:N/C:N/I:N/A:P\", \"baseScore\": 5.0, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 10.0, \"impactScore\": 2.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2021-04-19T22:15:12.967",
      "references": "[{\"url\": \"https://us-cert.cisa.gov/ics/advisories/icsa-21-103-03\", \"source\": \"ics-cert@hq.dhs.gov\", \"tags\": [\"Third Party Advisory\", \"US Government Resource\"]}, {\"url\": \"https://us-cert.cisa.gov/ics/advisories/icsa-21-103-03\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\", \"US Government Resource\"]}]",
      "sourceIdentifier": "ics-cert@hq.dhs.gov",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"ics-cert@hq.dhs.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-404\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-27458\",\"sourceIdentifier\":\"ics-cert@hq.dhs.gov\",\"published\":\"2021-04-19T22:15:12.967\",\"lastModified\":\"2024-11-21T05:58:01.843\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"If Ethernet communication of the JTEKT Corporation TOYOPUC product series\u2019 (TOYOPUC-PC10 Series: PC10G-CPU TCC-6353: All versions, PC10GE TCC-6464: All versions, PC10P TCC-6372: All versions, PC10P-DP TCC-6726: All versions, PC10P-DP-IO TCC-6752: All versions, PC10B-P TCC-6373: All versions, PC10B TCC-1021: All versions, PC10B-E/C TCU-6521: All versions, PC10E TCC-4737: All versions; TOYOPUC-Plus Series: Plus CPU TCC-6740: All versions, Plus EX TCU-6741: All versions, Plus EX2 TCU-6858: All versions, Plus EFR TCU-6743: All versions, Plus EFR2 TCU-6859: All versions, Plus 2P-EFR TCU-6929: All versions, Plus BUS-EX TCU-6900: All versions; TOYOPUC-PC3J/PC2J Series: FL/ET-T-V2H THU-6289: All versions, 2PORT-EFR THU-6404: All versions) are left in an open state by an attacker, Ethernet communications cannot be established with other devices, depending on the settings of the link parameters.\"},{\"lang\":\"es\",\"value\":\"Si la comunicaci\u00f3n Ethernet de la serie de productos TOYOPUC de JTEKT Corporation\\\" (Serie TOYOPUC-PC10: PC10G-CPU TCC-6353: Todas las versiones, PC10GE TCC-6464: Todas las versiones, PC10P TCC-6372: Todas las versiones, PC10P-DP TCC-6726: Todas las versiones, PC10P-DP-IO TCC-6752: Todas las versiones, PC10B-P TCC-6373: Todas las versiones, PC10B TCC-1021: Todas las versiones, PC10B-E/C TCU-6521: Todas las versiones, PC10E TCC-4737: Todas las versiones; Serie TOYOPUC-Plus: Plus CPU TCC-6740: Todas las versiones, Plus EX TCU-6741: Todas las versiones, Plus EX2 TCU-6858: Todas las versiones, Plus EFR TCU-6743: Todas las versiones, Plus EFR2 TCU-6859: Todas las versiones, Plus 2P-EFR TCU-6929: Todas las versiones, Plus BUS-EX TCU-6900: Todas las versiones; Serie TOYOPUC-PC3J/PC2J: FL/ET-T-V2H THU-6289: Todas las versiones, 2PORT-EFR THU-6404: Todas las versiones) son dejadas en estado abierto por un atacante, las comunicaciones Ethernet no pueden ser establecidas con otros dispositivos, dependiendo de la configuraci\u00f3n de los par\u00e1metros del enlace\"}],\"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:L/Au:N/C:N/I:N/A:P\",\"baseScore\":5.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"ics-cert@hq.dhs.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-404\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:jtekt:pc10g-cpu_tcc-6353_firmware:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9167C38C-1CAC-434C-897A-156570A3565B\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:jtekt:pc10g-cpu_tcc-6353:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F04AF876-5E55-4C88-838B-DD5DDD1552C6\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:jtekt:pc10ge_tcc-6464_firmware:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"18110EA1-48A2-469C-BA38-7B485077CDB1\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:jtekt:pc10ge_tcc-6464:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"87DF2EE4-5E67-44A6-9AB7-FB410969EDBE\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:jtekt:pc10p_tcc-6372_firmware:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"2FA7665F-E04D-4473-AD1C-A21160CA4BA1\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:jtekt:pc10p_tcc-6372:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"672B6DD3-C648-407A-B6D8-19873AD06C44\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:jtekt:pc10p-dp_tcc-6726_firmware:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"810E7F37-9912-4C48-A6B2-BBE4E0E6E2F7\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:jtekt:pc10p-dp_tcc-6726:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D1EC7789-88A6-4243-A889-113B42A0BF39\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:jtekt:pc10p-dp-io_tcc-6752_firmware:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"3E2B6488-BF16-44FC-BE16-95C63689CBF8\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:jtekt:pc10p-dp-io_tcc-6752:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"00B5D860-D3F8-4A19-8E4D-B2178D446D59\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:jtekt:pc10b-p_tcc-6373_firmware:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"BFCF2EAF-4745-45A3-A3C3-6B3EEF5620EF\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:jtekt:pc10b-p_tcc-6373:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5C51F492-AF58-4800-A2D1-2D20E92F59FE\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:jtekt:pc10b_tcc-1021_firmware:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"462EB710-A7A3-4148-9FED-7CE236F12333\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:jtekt:pc10b_tcc-1021:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D6E44DDD-B13A-4947-9307-0210F0AC09D9\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:jtekt:pc10b-e\\\\/c_tcu-6521_firmware:*:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A2114183-BC9C-49A6-9E35-DCD91A10128A\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:jtekt:pc10b-e\\\\/c_tcu-6521:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4CBF4EB3-AE31-4B8F-A38B-8F9229D23100\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria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Party Advisory\",\"US Government Resource\"]},{\"url\":\"https://us-cert.cisa.gov/ics/advisories/icsa-21-103-03\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"US Government Resource\"]}]}}"
  }
}


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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.