CVE-2021-38434

FATEK Automation WinProladder versions 3.30 and prior lacks proper validation of user-supplied data when parsing project files, which could result in an unexpected sign extension. An attacker could leverage this vulnerability to execute arbitrary code.

CVSS v3 7.8 HIGH
CVSS v2.0 6.8 MEDIUM

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://us-cert.cisa.gov/ics/advisories/icsa-21-280-06	Third Party Advisory US Government Resource
https://us-cert.cisa.gov/ics/advisories/icsa-21-280-06	Third Party Advisory US Government Resource

Configurations

Configuration 1 (hide)

cpe:2.3:a:fatek:winproladder:*:*:*:*:*:*:*:*

History

21 Nov 2024, 06:17

Type	Values Removed	Values Added
References	~~() https://us-cert.cisa.gov/ics/advisories/icsa-21-280-06 - Third Party Advisory, US Government Resource~~	() https://us-cert.cisa.gov/ics/advisories/icsa-21-280-06 - Third Party Advisory, US Government Resource

21 Oct 2021, 20:36

Type	Values Removed	Values Added
CPE		cpe:2.3:a:fatek:winproladder::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 6.8 v3 : 7.8
References	~~(MISC) https://us-cert.cisa.gov/ics/advisories/icsa-21-280-06 -~~	(MISC) https://us-cert.cisa.gov/ics/advisories/icsa-21-280-06 - Third Party Advisory, US Government Resource

18 Oct 2021, 13:39

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-10-18 13:15

Updated : 2024-11-21 06:17

NVD link : CVE-2021-38434

Mitre link : CVE-2021-38434

CVE.ORG link : CVE-2021-38434

JSON object : View

Products Affected

fatek

winproladder

CWE

CWE-194

Unexpected Sign Extension

{"id": "CVE-2021-38434", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Secondary", "source": "ics-cert@hq.dhs.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2021-10-18T13:15:09.697", "references": [{"url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-280-06", "tags": ["Third Party Advisory", "US Government Resource"], "source": "ics-cert@hq.dhs.gov"}, {"url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-280-06", "tags": ["Third Party Advisory", "US Government Resource"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "ics-cert@hq.dhs.gov", "description": [{"lang": "en", "value": "CWE-194"}]}], "descriptions": [{"lang": "en", "value": "FATEK Automation WinProladder versions 3.30 and prior lacks proper validation of user-supplied data when parsing project files, which could result in an unexpected sign extension. An attacker could leverage this vulnerability to execute arbitrary code."}, {"lang": "es", "value": "FATEK Automation WinProladder versiones 3.30 y anteriores, no comprueba correctamente los datos suministrados por el usuario cuando analiza los archivos de proyecto, que podr\u00eda resultar en una extensi\u00f3n de signo no esperada. Un atacante podr\u00eda aprovechar esta vulnerabilidad para ejecutar c\u00f3digo arbitrario"}], "lastModified": "2024-11-21T06:17:05.540", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:fatek:winproladder:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B20C2F2A-8F6A-4642-B921-99948FE5E0FB", "versionEndIncluding": "3.30"}], "operator": "OR"}]}], "sourceIdentifier": "ics-cert@hq.dhs.gov"}