CVE-2021-43933 - Vulnerability Details - OpenCVE

The affected product is vulnerable to a network-based attack by threat actors sending unimpeded requests to the receiving server, which could cause a denial-of-service condition due to lack of heap memory resources.

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Changed

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Fanuc	Roboguide

Configuration 1 [-]

cpe:2.3:a:fanuc:roboguide:*:*:*:*:*:*:*:*

No data.

References

Link	Providers
https://www.spirityenterprise.com/pentest
https://www.spirityenterprise.com/managed-detection-response
https://www.cisa.gov/uscert/ics/advisories/icsa-22-109-03

History

No history.

MITRE

Status: PUBLISHED

Assigner: icscert

Published: 2022-04-20T15:30:30.872Z

Updated: 2025-04-16T16:28:45.372Z

Reserved: 2021-11-16T00:00:00.000Z

Link: CVE-2021-43933

Vulnrichment

No data.

NVD

Status : Modified

Published: 2022-04-20T16:15:08.060

Modified: 2024-11-21T06:30:01.710

Link: CVE-2021-43933

Redhat

No data.

{"containers": {"cna": {"affected": [{"product": "ROBOGUIDE", "vendor": "FANUC", "versions": [{"lessThan": "v9.40083.00.05 (Rev T)", "status": "affected", "version": "All", "versionType": "custom"}]}], "credits": [{"lang": "en", "value": "Sharon Brizinov with Claroty reported these vulnerabilities to CISA."}], "datePublic": "2022-04-19T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "The affected product is vulnerable to a network-based attack by threat actors sending unimpeded requests to the receiving server, which could cause a denial-of-service condition due to lack of heap memory resources."}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:N/A:H", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-400", "description": "CWE-400 Uncontrolled Resource Consumption", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-04-20T15:30:30.000Z", "orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "shortName": "icscert"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-22-109-03"}], "solutions": [{"lang": "en", "value": "FANUC has created a new version to address these vulnerabilities. Users may obtain and install the new version by downloading ROBOGUIDE v9 Rev U or higher from the FANUC or FANUC America website (login required)."}], "source": {"advisory": "ICSA-22-109-03", "discovery": "EXTERNAL"}, "title": "ICSA-22-109-03 FANUC ROBOGUIDE Simulation Platform", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "ics-cert@hq.dhs.gov", "DATE_PUBLIC": "2022-04-19T21:16:00.000Z", "ID": "CVE-2021-43933", "STATE": "PUBLIC", "TITLE": "ICSA-22-109-03 FANUC ROBOGUIDE Simulation Platform"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "ROBOGUIDE", "version": {"version_data": [{"version_affected": "<", "version_name": "All", "version_value": "v9.40083.00.05 (Rev T)"}]}}]}, "vendor_name": "FANUC"}]}}, "credit": [{"lang": "eng", "value": "Sharon Brizinov with Claroty reported these vulnerabilities to CISA."}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The affected product is vulnerable to a network-based attack by threat actors sending unimpeded requests to the receiving server, which could cause a denial-of-service condition due to lack of heap memory resources."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:N/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-400 Uncontrolled Resource Consumption"}]}]}, "references": {"reference_data": [{"name": "https://www.cisa.gov/uscert/ics/advisories/icsa-22-109-03", "refsource": "MISC", "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-22-109-03"}]}, "solution": [{"lang": "en", "value": "FANUC has created a new version to address these vulnerabilities. Users may obtain and install the new version by downloading ROBOGUIDE v9 Rev U or higher from the FANUC or FANUC America website (login required)."}], "source": {"advisory": "ICSA-22-109-03", "discovery": "EXTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T04:10:17.020Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-22-109-03"}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-04-16T15:53:41.984140Z", "id": "CVE-2021-43933", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-16T16:28:45.372Z"}}]}, "cveMetadata": {"assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "assignerShortName": "icscert", "cveId": "CVE-2021-43933", "datePublished": "2022-04-20T15:30:30.872Z", "dateReserved": "2021-11-16T00:00:00.000Z", "dateUpdated": "2025-04-16T16:28:45.372Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:fanuc:roboguide:*:*:*:*:*:*:*:*", "matchCriteriaId": "D5DCFBBA-2822-484C-8153-8B6EE8E4322F", "versionEndIncluding": "9.40083.00.05", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "The affected product is vulnerable to a network-based attack by threat actors sending unimpeded requests to the receiving server, which could cause a denial-of-service condition due to lack of heap memory resources."}, {"lang": "es", "value": "El producto afectado es vulnerable a un ataque basado en la red por parte de actores de amenazas que env\u00eden peticiones sin obst\u00e1culos al servidor receptor, lo que podr\u00eda causar una condici\u00f3n de denegaci\u00f3n de servicio debido a una falta de recursos de memoria de la pila"}], "id": "CVE-2021-43933", "lastModified": "2024-11-21T06:30:01.710", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 4.0, "source": "ics-cert@hq.dhs.gov", "type": "Secondary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-04-20T16:15:08.060", "references": [{"source": "ics-cert@hq.dhs.gov", "tags": ["Patch", "Third Party Advisory", "US Government Resource"], "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-22-109-03"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory", "US Government Resource"], "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-22-109-03"}], "sourceIdentifier": "ics-cert@hq.dhs.gov", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "ics-cert@hq.dhs.gov", "type": "Secondary"}]}