CVE-2021-20987 (GCVE-0-2021-20987)
Vulnerability from cvelistv5 – Published: 2021-02-16 16:37 – Updated: 2024-09-16 16:23
VLAI?
Title
Hilscher: EtherNet/IP stack crash for specific CIP service
Summary
A denial of service and memory corruption vulnerability was found in Hilscher EtherNet/IP Core V2 prior to V2.13.0.21that may lead to code injection through network or make devices crash without recovery.
Severity ?
8.6 (High)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
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Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hilscher | EtherNet/IP Core V2 |
Affected:
V2 , < V2.13.0.21
(custom)
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recuperaci\u00f3n\"}],\"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:C/C:N/I:N/A:H\",\"baseScore\":8.6,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":4.0},{\"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:N/A:H\",\"baseScore\":8.6,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":4.0}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:N/A:C\",\"baseScore\":7.8,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":6.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"info@cert.vde.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-787\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-787\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:hilscher:ethernet\\\\/ip_adapter_firmware:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"2.0\",\"versionEndExcluding\":\"2.13.0.21\",\"matchCriteriaId\":\"419E6FB7-27B2-4889-A1FB-6A9BA0F302DC\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:hilscher:ethernet\\\\/ip_adapter:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"947FAA6B-18CE-4503-A95B-423FA814BD88\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:pepperl-fuchs:wcs_firmware:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"1.2.1\",\"matchCriteriaId\":\"508CB169-DD1D-4514-A620-BF046D84F6AF\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:pepperl-fuchs:wcs3b-ls510:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B49403E2-B4ED-4DD2-85EC-491967213920\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:pepperl-fuchs:wcs3b-ls510-om:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B48FAFCA-7284-40DB-8D86-D464065548EC\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:pepperl-fuchs:wcs3b-ls510d:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"68EDF8C0-3875-4D1E-B6D7-8E09CE4E5674\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:pepperl-fuchs:wcs3b-ls510d-om:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A9F6BE9B-8E19-4D83-90A8-1029BD9AB16E\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:pepperl-fuchs:wcs3b-ls510dh:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"21019E61-A45B-4143-A0D6-43B4769E102F\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:pepperl-fuchs:wcs3b-ls510dh-om:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"6E8C0988-2D6E-43BA-BF22-F70EE923BE64\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:pepperl-fuchs:wcs3b-ls510h:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A434318B-7853-45A5-B843-D2D810FD4F3C\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:pepperl-fuchs:wcs3b-ls510h-om:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5FE4EE57-3442-4202-834A-109B9599053B\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:pepperl-fuchs:pxv100-f200-b25-v1d_firmware:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"1.10.0\",\"matchCriteriaId\":\"4EFB0689-CA7B-4CE4-9B8B-8A747B623CFD\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:pepperl-fuchs:pxv100-f200-b25-v1d:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"BDBD1518-8CE9-45E1-A69E-4A34188DA968\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:pepperl-fuchs:pxv100i-f200-b25-v1d_firmware:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"1.10.0\",\"matchCriteriaId\":\"C78577F8-F883-4AD7-AC5C-8DC56FDC408B\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:pepperl-fuchs:pxv100i-f200-b25-v1d:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"103DD562-1E4E-45CC-9A42-6F0FE55D20B3\"}]}]},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Party Advisory\"]},{\"url\":\"https://kb.hilscher.com/pages/viewpage.action?pageId=108969480\",\"source\":\"info@cert.vde.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://cert.vde.com/en-us/advisories/vde-2021-007\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://kb.hilscher.com/pages/viewpage.action?pageId=108969480\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor 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.
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