CVE-2021-20836

Out-of-bounds read vulnerability in CX-Supervisor v4.0.0.13 and v4.0.0.16 allows an attacker with administrative privileges to cause information disclosure and/or arbitrary code execution by opening a specially crafted SCS project files.

CVSS v3.0 6.5 MEDIUM
CVSS v2.0 6.0 MEDIUM

6.5^/10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 0.6 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.0^/10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:M/Au:S/C:P/I:P/A:P

Exploitability : 6.8 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.myomron.com/index.php?action=kb&article=1692	Patch Vendor Advisory
https://jvn.jp/en/vu/JVNVU90041391/index.html	Release Notes Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:omron:cx-supervisor:4.0.0.13:::::::*
	cpe:2.3:a:omron:cx-supervisor:4.0.0.16:::::::*

Information

Published : 2021-10-18 20:15

Updated : 2021-10-22 10:02

NVD link : CVE-2021-20836

Mitre link : CVE-2021-20836

JSON object : View

CWE

CWE-125

Out-of-bounds Read

Products Affected

omron

cx-supervisor

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://www.myomron.com/index.php?action=kb&article=1692", "name": "https://www.myomron.com/index.php?action=kb&article=1692", "tags": ["Patch", "Vendor Advisory"], "refsource": "MISC"}, {"url": "https://jvn.jp/en/vu/JVNVU90041391/index.html", "name": "https://jvn.jp/en/vu/JVNVU90041391/index.html", "tags": ["Release Notes", "Third Party Advisory"], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "Out-of-bounds read vulnerability in CX-Supervisor v4.0.0.13 and v4.0.0.16 allows an attacker with administrative privileges to cause information disclosure and/or arbitrary code execution by opening a specially crafted SCS project files."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-125"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-20836", "ASSIGNER": "vultures@jpcert.or.jp"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 6.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:S/C:P/I:P/A:P", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 6.4, "obtainAllPrivilege": false, "exploitabilityScore": 6.8, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 0.6}}, "publishedDate": "2021-10-19T03:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:omron:cx-supervisor:4.0.0.13:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:omron:cx-supervisor:4.0.0.16:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2021-10-22T17:02Z"}

6.5 /10