CVE-2021-42705 - Vulnerability Details - OpenCVE

PLC Editor Versions 1.3.8 and prior is vulnerable to a stack-based buffer overflow while processing project files, which may allow an attacker to execute arbitrary code.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00372.

Key SSVC decision points have not yet been added.

Vendors	Products
We-con	Plc Editor

Configuration 1 [-]

cpe:2.3:a:we-con:plc_editor:*:*:*:*:*:*:*:*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2021-29665	PLC Editor Versions 1.3.8 and prior is vulnerable to a stack-based buffer overflow while processing project files, which may allow an attacker to execute arbitrary code.

Fixes

Solution

No solution given by the vendor.

Workaround

WECON has not responded to requests to work with CISA to mitigate these vulnerabilities. Users of these affected products are invited to contact WECON technical support for additional information.

References

Link	Providers
https://us-cert.cisa.gov/ics/advisories/icsa-21-315-01

History

No history.

MITRE

Status: PUBLISHED

Assigner: icscert

Published: 2021-11-22T19:06:36.383938Z

Updated: 2024-09-16T20:01:34.731Z

Reserved: 2021-10-18T00:00:00

Link: CVE-2021-42705

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-11-22T20:15:17.950

Modified: 2024-11-21T06:28:00.613

Link: CVE-2021-42705

Redhat

No data.

OpenCVE Enrichment

No data.

{"containers": {"cna": {"affected": [{"product": "PLC Editor", "vendor": "WECON", "versions": [{"lessThanOrEqual": "1.3.8", "status": "affected", "version": "All", "versionType": "custom"}]}], "datePublic": "2021-11-11T00:00:00", "descriptions": [{"lang": "en", "value": "PLC Editor Versions 1.3.8 and prior is vulnerable to a stack-based buffer overflow while processing project files, which may allow an attacker to execute arbitrary code."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-121", "description": "CWE-121 Stack-based Buffer Overflow", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-11-22T19:06:36", "orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "shortName": "icscert"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-315-01"}], "source": {"advisory": "ICSA-21-315-01", "discovery": "UNKNOWN"}, "title": "WECON PLC Editor", "workarounds": [{"lang": "en", "value": "WECON has not responded to requests to work with CISA to mitigate these vulnerabilities. Users of these affected products are invited to contact WECON technical support for additional information."}], "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "ics-cert@hq.dhs.gov", "DATE_PUBLIC": "2021-11-11T22:37:00.000Z", "ID": "CVE-2021-42705", "STATE": "PUBLIC", "TITLE": "WECON PLC Editor"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "PLC Editor", "version": {"version_data": [{"version_affected": "<=", "version_name": "All", "version_value": "1.3.8"}]}}]}, "vendor_name": "WECON"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "PLC Editor Versions 1.3.8 and prior is vulnerable to a stack-based buffer overflow while processing project files, which may allow an attacker to execute arbitrary code."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-121 Stack-based Buffer Overflow"}]}]}, "references": {"reference_data": [{"name": "https://us-cert.cisa.gov/ics/advisories/icsa-21-315-01", "refsource": "MISC", "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-315-01"}]}, "source": {"advisory": "ICSA-21-315-01", "discovery": "UNKNOWN"}, "work_around": [{"lang": "en", "value": "WECON has not responded to requests to work with CISA to mitigate these vulnerabilities. Users of these affected products are invited to contact WECON technical support for additional information."}]}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T03:38:49.605Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-315-01"}]}]}, "cveMetadata": {"assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "assignerShortName": "icscert", "cveId": "CVE-2021-42705", "datePublished": "2021-11-22T19:06:36.383938Z", "dateReserved": "2021-10-18T00:00:00", "dateUpdated": "2024-09-16T20:01:34.731Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:we-con:plc_editor:*:*:*:*:*:*:*:*", "matchCriteriaId": "F15035B9-7871-4F0E-8EFF-A76D14937DF2", "versionEndIncluding": "1.3.8", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "PLC Editor Versions 1.3.8 and prior is vulnerable to a stack-based buffer overflow while processing project files, which may allow an attacker to execute arbitrary code."}, {"lang": "es", "value": "PLC Editor versiones 1.3.8 y anteriores, son vulnerables a un desbordamiento del b\u00fafer en la regi\u00f3n stack de la memoria mientras se procesan archivos de proyecto, que puede permitir a un atacante ejecutar c\u00f3digo arbitrario"}], "id": "CVE-2021-42705", "lastModified": "2024-11-21T06:28:00.613", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "ics-cert@hq.dhs.gov", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-11-22T20:15:17.950", "references": [{"source": "ics-cert@hq.dhs.gov", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-315-01"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-315-01"}], "sourceIdentifier": "ics-cert@hq.dhs.gov", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-121"}], "source": "ics-cert@hq.dhs.gov", "type": "Secondary"}]}