CVE-2020-27263

KEPServerEX: v6.0 to v6.9, ThingWorx Kepware Server: v6.8 and v6.9, ThingWorx Industrial Connectivity: All versions, OPC-Aggregator: All versions, Rockwell Automation KEPServer Enterprise, GE Digital Industrial Gateway Server: v7.68.804 and v7.66, Software Toolbox TOP Server: All 6.x versions, are vulnerable to a heap-based buffer overflow. Opening a specifically crafted OPC UA message could allow an attacker to crash the server and potentially leak data.

CVSS v3 9.1 CRITICAL
CVSS v2.0 6.4 MEDIUM

9.1^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

6.4^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:P/I:N/A:P

Exploitability : 10.0 / Impact : 4.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://us-cert.cisa.gov/ics/advisories/icsa-20-352-02	Third Party Advisory US Government Resource

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:ge:industrial_gateway_server:7.66:::::::*
	cpe:2.3:a:ge:industrial_gateway_server:7.68.804:::::::*
	cpe:2.3:a:ptc:kepware_kepserverex:6.0:::::::*
	cpe:2.3:a:ptc:kepware_kepserverex:6.9:::::::*
	cpe:2.3:a:ptc:opc-aggregator:-:::::::*
	cpe:2.3:a:ptc:thingworx_industrial_connectivity:-:::::::*
	cpe:2.3:a:ptc:thingworx_kepware_server:6.8:::::::*
	cpe:2.3:a:ptc:thingworx_kepware_server:6.9:::::::*
	cpe:2.3:a:rockwellautomation:kepserver_enterprise:6.6.504.0:::::::*
	cpe:2.3:a:rockwellautomation:kepserver_enterprise:6.9.572.0:::::::*
	cpe:2.3:a:softwaretoolbox:top_server::::::::

History

No history.

Information

Published : 2021-01-14 00:15

Updated : 2024-02-04 21:23

NVD link : CVE-2020-27263

Mitre link : CVE-2020-27263

CVE.ORG link : CVE-2020-27263

JSON object : View

Products Affected

ge

industrial_gateway_server

ptc

opc-aggregator
kepware_kepserverex
thingworx_industrial_connectivity
thingworx_kepware_server

softwaretoolbox

top_server

rockwellautomation

kepserver_enterprise

CWE

CWE-787

Out-of-bounds Write

CWE-122

Heap-based Buffer Overflow

{"id": "CVE-2020-27263", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.4, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 4.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 3.9}]}, "published": "2021-01-14T00:15:13.353", "references": [{"url": "https://us-cert.cisa.gov/ics/advisories/icsa-20-352-02", "tags": ["Third Party Advisory", "US Government Resource"], "source": "ics-cert@hq.dhs.gov"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}, {"type": "Secondary", "source": "ics-cert@hq.dhs.gov", "description": [{"lang": "en", "value": "CWE-122"}]}], "descriptions": [{"lang": "en", "value": "KEPServerEX: v6.0 to v6.9, ThingWorx Kepware Server: v6.8 and v6.9, ThingWorx Industrial Connectivity: All versions, OPC-Aggregator: All versions, Rockwell Automation KEPServer Enterprise, GE Digital Industrial Gateway Server: v7.68.804 and v7.66, Software Toolbox TOP Server: All 6.x versions, are vulnerable to a heap-based buffer overflow. Opening a specifically crafted OPC UA message could allow an attacker to crash the server and potentially leak data."}, {"lang": "es", "value": "KEPServerEX: versiones v6.0 hasta v6.9, ThingWorx Kepware Server: versiones v6.8 y v6.9, ThingWorx Industrial Connectivity: Todas las versiones, OPC-Aggregator: Todas las versiones, Rockwell Automation KEPServer Enterprise, GE Digital Industrial Gateway Server: versiones v7.68.804 y v7.66, Software Toolbox TOP Server: Todas las versiones 6.x son vulnerables a un desbordamiento de b\u00fafer en la regi\u00f3n heap de la memoria. Abrir un mensaje OPC UA espec\u00edficamente dise\u00f1ado podr\u00eda permitir a un atacante bloquear el servidor y potencialmente filtrar datos"}], "lastModified": "2021-01-21T16:10:30.217", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:ge:industrial_gateway_server:7.66:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E5AEAC75-5E69-4C49-8D57-35401400C9D2"}, {"criteria": "cpe:2.3:a:ge:industrial_gateway_server:7.68.804:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "906B1D62-7656-457E-B528-B0407C9D0BA4"}, {"criteria": "cpe:2.3:a:ptc:kepware_kepserverex:6.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6994DBB6-BA65-4E47-B0E4-42310120FC04"}, {"criteria": "cpe:2.3:a:ptc:kepware_kepserverex:6.9:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FC1720A3-85F1-4A85-B226-1CCBB34FCAAC"}, {"criteria": "cpe:2.3:a:ptc:opc-aggregator:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D8F46490-09F7-488A-B1EB-2286BFA0F882"}, {"criteria": "cpe:2.3:a:ptc:thingworx_industrial_connectivity:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D01A814D-8F2B-4B88-A66B-F2A2C293A6AB"}, {"criteria": "cpe:2.3:a:ptc:thingworx_kepware_server:6.8:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2DE510A4-1D91-447E-BF61-6CDFDFF82796"}, {"criteria": "cpe:2.3:a:ptc:thingworx_kepware_server:6.9:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2F16FBD0-8841-4E42-8FE6-796F7B4E5C16"}, {"criteria": "cpe:2.3:a:rockwellautomation:kepserver_enterprise:6.6.504.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6FFA2B21-E36C-41CE-B633-B831C6D42962"}, {"criteria": "cpe:2.3:a:rockwellautomation:kepserver_enterprise:6.9.572.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BACC2F09-9EC8-420A-B499-BF7CD737A473"}, {"criteria": "cpe:2.3:a:softwaretoolbox:top_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "95B527BB-A27F-4080-8BBB-3FCA2408B7AE", "versionEndIncluding": "6.9", "versionStartIncluding": "6.0"}], "operator": "OR"}]}], "sourceIdentifier": "ics-cert@hq.dhs.gov"}