CVE-2020-27297

The affected product is vulnerable to a heap-based buffer overflow, which may allow an attacker to manipulate memory with controlled values and remotely execute code on the OPC UA Tunneller (versions prior to 6.3.0.8233).

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://us-cert.cisa.gov/ics/advisories/icsa-21-021-03	Third Party Advisory US Government Resource

Configurations

Configuration 1 (hide)

cpe:2.3:a:honeywell:opc_ua_tunneller:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-01-26 19:15

Updated : 2021-02-03 15:30

NVD link : CVE-2020-27297

Mitre link : CVE-2020-27297

CVE.ORG link : CVE-2020-27297

JSON object : View

Products Affected

honeywell

opc_ua_tunneller

CWE

CWE-787

Out-of-bounds Write

CWE-122

Heap-based Buffer Overflow

{"id": "CVE-2020-27297", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "HIGH", "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": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2021-01-26T19:15:12.923", "references": [{"url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-021-03", "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": "The affected product is vulnerable to a heap-based buffer overflow, which may allow an attacker to manipulate memory with controlled values and remotely execute code on the OPC UA Tunneller (versions prior to 6.3.0.8233)."}, {"lang": "es", "value": "El producto afectado es vulnerable a un desbordamiento del b\u00fafer en la regi\u00f3n heap de la memoria, que puede permitir a un atacante manipular la memoria con valores controlados y ejecutar c\u00f3digo remotamente en el OPC UA Tunneller (versiones anteriores a 6.3.0.8233)"}], "lastModified": "2021-02-03T15:30:14.297", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:honeywell:opc_ua_tunneller:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F9867ADE-A351-41AF-AB36-5B98C3E2B069", "versionEndExcluding": "6.3.0.8233"}], "operator": "OR"}]}], "sourceIdentifier": "ics-cert@hq.dhs.gov"}