CVE-2020-12506 (GCVE-0-2020-12506)

Vulnerability from cvelistv5 – Published: 2020-09-30 15:43 – Updated: 2024-09-17 00:06
VLAI?
Title
WAGO: Authentication Bypass Vulnerability in WAGO 750-36X and WAGO 750-8XX Versions <= FW03
Summary
Improper Authentication vulnerability in WAGO 750-8XX series with FW version <= FW03 allows an attacker to change the settings of the devices by sending specifically constructed requests without authentication This issue affects: WAGO 750-362, WAGO 750-363, WAGO 750-823, WAGO 750-832/xxx-xxx, WAGO 750-862, WAGO 750-891, WAGO 750-890/xxx-xxx in versions FW03 and prior versions.
Severity ?
9.1 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
CWE
  • CWE-306 - Missing Authentication for Critical Function
Assigner
References
Impacted products
Vendor Product Version
WAGO 750-362 Affected: unspecified , ≤ FW03 (custom)
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    WAGO 750-363 Affected: unspecified , ≤ FW03 (custom)
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    WAGO 750-823 Affected: unspecified , ≤ FW03 (custom)
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    WAGO 750-832/xxx-xxx Affected: unspecified , ≤ FW03 (custom)
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    WAGO 750-862 Affected: unspecified , ≤ FW03 (custom)
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    WAGO 750-891 Affected: unspecified , ≤ FW03 (custom)
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    WAGO 750-890/xxx-xxx Affected: unspecified , ≤ FW03 (custom)
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Credits
Maxim Rupp (https://rupp.it) reported this vulnerability to WAGO. coordinated by CERT@VDE
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afecta a: WAGO 750-362, WAGO 750-363, WAGO 750-823, WAGO 750-832/xxx-xxx, WAGO 750-862, WAGO 750-891, WAGO 750-890/xxx-xxx en versiones FW03 y anteriores.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"info@cert.vde.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H\",\"baseScore\":9.1,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.2},{\"source\":\"nvd@nist.gov\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H\",\"baseScore\":9.1,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.2}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:P/A:P\",\"baseScore\":6.4,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":4.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"info@cert.vde.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-306\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-306\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:wago:750-362_firmware:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"fw03\",\"matchCriteriaId\":\"1972A796-844D-47A1-A9EA-37E7A548D8DC\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:wago:750-362:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"6330A839-FAE3-43EB-B1AA-BA6844D9906D\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:wago:750-363_firmware:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"fw03\",\"matchCriteriaId\":\"13752AD0-7ED9-446E-99F8-153B62BEB062\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:wago:750-363:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"54E13E9C-226E-4BD6-8F0C-3061092E892A\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:wago:750-823_firmware:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"fw03\",\"matchCriteriaId\":\"AA3507C4-737A-40F4-B595-45BB1864C5DE\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:wago:750-823:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"CB88572A-CB05-4B52-8BFC-05EFDC819244\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:wago:750-832_firmware:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"fw03\",\"matchCriteriaId\":\"2B5FF9F1-E281-4E15-920D-C273A5C87EC2\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:wago:750-832:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"13D1FA8D-C8BA-4D1C-8372-DECD40177631\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:wago:750-862_firmware:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"fw03\",\"matchCriteriaId\":\"D58CF92D-B614-4878-8D1E-182CE7108912\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:wago:750-862:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FA04FBFB-9E1C-4618-9FDC-70675506D8D5\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:wago:750-891_firmware:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"fw03\",\"matchCriteriaId\":\"D9D36F87-6C54-4CE8-A38B-3FF525B34C47\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:wago:750-891:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"22BAABD9-A10D-4904-AA02-C37C4490B47A\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:wago:750-890_firmware:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"fw03\",\"matchCriteriaId\":\"6A0E9003-3D94-419B-8812-48E5854DF23D\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:wago:750-890:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"11751A8B-FCFD-433B-9065-B4FC85168A93\"}]}]}],\"references\":[{\"url\":\"https://cert.vde.com/en-us/advisories/vde-2020-028\",\"source\":\"info@cert.vde.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://cert.vde.com/en-us/advisories/vde-2020-028\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}"
  }
}


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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.