CVE-2021-20607

Integer Underflow vulnerability in Mitsubishi Electric GX Works2 versions 1.606G and prior, Mitsubishi Electric MELSOFT Navigator versions 2.84N and prior and Mitsubishi Electric EZSocket versions 5.4 and prior allows an attacker to cause a DoS condition in the software by getting a user to open malicious project file specially crafted by an attacker.

CVSS v3 5.5 MEDIUM
CVSS v2.0 4.3 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://jvn.jp/vu/JVNVU93817405/index.html	Patch Third Party Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-350-05	Third Party Advisory US Government Resource
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-021_en.pdf	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mitsubishielectric:ezsocket::::::::
	cpe:2.3:a:mitsubishielectric:gx_works2::::::::
	cpe:2.3:a:mitsubishielectric:melsoft_navigator::::::::

History

No history.

Information

Published : 2021-12-17 17:15

Updated : 2024-02-28 18:48

NVD link : CVE-2021-20607

Mitre link : CVE-2021-20607

CVE.ORG link : CVE-2021-20607

JSON object : View

Products Affected

mitsubishielectric

ezsocket
gx_works2
melsoft_navigator

CWE

CWE-191

Integer Underflow (Wrap or Wraparound)

{"id": "CVE-2021-20607", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2021-12-17T17:15:11.890", "references": [{"url": "https://jvn.jp/vu/JVNVU93817405/index.html", "tags": ["Patch", "Third Party Advisory"], "source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp"}, {"url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-350-05", "tags": ["Third Party Advisory", "US Government Resource"], "source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp"}, {"url": "https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-021_en.pdf", "tags": ["Patch", "Vendor Advisory"], "source": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-191"}]}], "descriptions": [{"lang": "en", "value": "Integer Underflow vulnerability in Mitsubishi Electric GX Works2 versions 1.606G and prior, Mitsubishi Electric MELSOFT Navigator versions 2.84N and prior and Mitsubishi Electric EZSocket versions 5.4 and prior allows an attacker to cause a DoS condition in the software by getting a user to open malicious project file specially crafted by an attacker."}, {"lang": "es", "value": "Una vulnerabilidad de desbordamiento de enteros en las versiones 1.606G y anteriores de Mitsubishi Electric GX Works2, en las versiones 2.84N y anteriores de Mitsubishi Electric MELSOFT Navigator y en las versiones 5.4 y anteriores de Mitsubishi Electric EZSocket permite que un atacante provoque una condici\u00f3n de denegaci\u00f3n de servicio (DoS) en el software haciendo que un usuario abra un archivo de proyecto malicioso especialmente dise\u00f1ado por un atacante"}], "lastModified": "2023-02-02T19:58:16.373", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mitsubishielectric:ezsocket:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9BB1DC91-D673-4755-AD47-1E46B6446D1D", "versionEndIncluding": "5.4"}, {"criteria": "cpe:2.3:a:mitsubishielectric:gx_works2:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "32F0E13C-4862-4A58-8F16-4E0D925FEA33", "versionEndIncluding": "1.606g"}, {"criteria": "cpe:2.3:a:mitsubishielectric:melsoft_navigator:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "89ACB781-BD3B-4BA2-B036-D6D95FB3AC05"}], "operator": "OR"}]}], "sourceIdentifier": "Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp"}