CVE-2021-27482 - Vulnerability Details - OpenCVE

A specifically crafted packet sent by an attacker to EIPStackGroup OpENer EtherNet/IP commits and versions prior to Feb 10, 2021 may allow the attacker to read arbitrary data.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

Exploitation none

Automatable yes

Technical Impact partial

Vendors	Products
Opener Project	Opener

Configuration 1 [-]

cpe:2.3:a:opener_project:opener:*:*:*:*:*:*:*:*

No data.

References

Link	Providers
https://github.com/EIPStackGroup/OpENer
https://www.cisa.gov/uscert/ics/advisories/icsa-21-105-02

History

Wed, 16 Apr 2025 17:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: icscert

Published: 2022-05-12T19:18:03.000Z

Updated: 2025-04-16T16:22:25.057Z

Reserved: 2021-02-19T00:00:00.000Z

Link: CVE-2021-27482

Vulnrichment

Updated: 2024-08-03T20:48:17.255Z

NVD

Status : Modified

Published: 2022-05-12T20:15:13.763

Modified: 2024-11-21T05:58:04.940

Link: CVE-2021-27482

Redhat

No data.

{"containers": {"cna": {"affected": [{"product": "OpENer EtherNet/IP", "vendor": "EIPStackGroup", "versions": [{"lessThan": "Feb 10, 2021", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "credits": [{"lang": "en", "value": "Tal Keren and Sharon Brizinov of Claroty reported these vulnerabilities to CISA."}], "descriptions": [{"lang": "en", "value": "A specifically crafted packet sent by an attacker to EIPStackGroup OpENer EtherNet/IP commits and versions prior to Feb 10, 2021 may allow the attacker to read arbitrary data."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-125", "description": "CWE-125: Out-of-bounds Read", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-05-12T19:18:03.000Z", "orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "shortName": "icscert"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-105-02"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/EIPStackGroup/OpENer"}], "solutions": [{"lang": "en", "value": "The maintainer of OpENer recommends those affected to apply the latest commits available."}], "source": {"discovery": "EXTERNAL"}, "title": "EIPStackGroup OpENer Ethernet/IP Out-of-bounds Read", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "ics-cert@hq.dhs.gov", "ID": "CVE-2021-27482", "STATE": "PUBLIC", "TITLE": "EIPStackGroup OpENer Ethernet/IP Out-of-bounds Read"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "OpENer EtherNet/IP", "version": {"version_data": [{"version_affected": "<", "version_value": "Feb 10, 2021"}]}}]}, "vendor_name": "EIPStackGroup"}]}}, "credit": [{"lang": "eng", "value": "Tal Keren and Sharon Brizinov of Claroty reported these vulnerabilities to CISA."}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "A specifically crafted packet sent by an attacker to EIPStackGroup OpENer EtherNet/IP commits and versions prior to Feb 10, 2021 may allow the attacker to read arbitrary data."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-125: Out-of-bounds Read"}]}]}, "references": {"reference_data": [{"name": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-105-02", "refsource": "CONFIRM", "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-105-02"}, {"name": "https://github.com/EIPStackGroup/OpENer", "refsource": "CONFIRM", "url": "https://github.com/EIPStackGroup/OpENer"}]}, "solution": [{"lang": "en", "value": "The maintainer of OpENer recommends those affected to apply the latest commits available."}], "source": {"discovery": "EXTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T20:48:17.255Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-105-02"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/EIPStackGroup/OpENer"}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-04-16T15:56:25.495662Z", "id": "CVE-2021-27482", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"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": "2025-04-16T16:22:25.057Z"}}]}, "cveMetadata": {"assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "assignerShortName": "icscert", "cveId": "CVE-2021-27482", "datePublished": "2022-05-12T19:18:03.000Z", "dateReserved": "2021-02-19T00:00:00.000Z", "dateUpdated": "2025-04-16T16:22:25.057Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-105-02", "tags": ["x_refsource_CONFIRM", "x_transferred"]}, {"url": "https://github.com/EIPStackGroup/OpENer", "tags": ["x_refsource_CONFIRM", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T20:48:17.255Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-27482", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-04-16T15:56:25.495662Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-16T15:56:27.846Z"}}], "cna": {"title": "EIPStackGroup OpENer Ethernet/IP Out-of-bounds Read", "source": {"discovery": "EXTERNAL"}, "credits": [{"lang": "en", "value": "Tal Keren and Sharon Brizinov of Claroty reported these vulnerabilities to CISA."}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "EIPStackGroup", "product": "OpENer EtherNet/IP", "versions": [{"status": "affected", "version": "unspecified", "lessThan": "Feb 10, 2021", "versionType": "custom"}]}], "solutions": [{"lang": "en", "value": "The maintainer of OpENer recommends those affected to apply the latest commits available."}], "references": [{"url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-105-02", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/EIPStackGroup/OpENer", "tags": ["x_refsource_CONFIRM"]}], "x_generator": {"engine": "Vulnogram 0.0.9"}, "descriptions": [{"lang": "en", "value": "A specifically crafted packet sent by an attacker to EIPStackGroup OpENer EtherNet/IP commits and versions prior to Feb 10, 2021 may allow the attacker to read arbitrary data."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-125", "description": "CWE-125: Out-of-bounds Read"}]}], "providerMetadata": {"orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "shortName": "icscert", "dateUpdated": "2022-05-12T19:18:03.000Z"}, "x_legacyV4Record": {"credit": [{"lang": "eng", "value": "Tal Keren and Sharon Brizinov of Claroty reported these vulnerabilities to CISA."}], "impact": {"cvss": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, "source": {"discovery": "EXTERNAL"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"version": {"version_data": [{"version_value": "Feb 10, 2021", "version_affected": "<"}]}, "product_name": "OpENer EtherNet/IP"}]}, "vendor_name": "EIPStackGroup"}]}}, "solution": [{"lang": "en", "value": "The maintainer of OpENer recommends those affected to apply the latest commits available."}], "data_type": "CVE", "generator": {"engine": "Vulnogram 0.0.9"}, "references": {"reference_data": [{"url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-105-02", "name": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-105-02", "refsource": "CONFIRM"}, {"url": "https://github.com/EIPStackGroup/OpENer", "name": "https://github.com/EIPStackGroup/OpENer", "refsource": "CONFIRM"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "eng", "value": "A specifically crafted packet sent by an attacker to EIPStackGroup OpENer EtherNet/IP commits and versions prior to Feb 10, 2021 may allow the attacker to read arbitrary data."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-125: Out-of-bounds Read"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-27482", "STATE": "PUBLIC", "TITLE": "EIPStackGroup OpENer Ethernet/IP Out-of-bounds Read", "ASSIGNER": "ics-cert@hq.dhs.gov"}}}}, "cveMetadata": {"cveId": "CVE-2021-27482", "state": "PUBLISHED", "dateUpdated": "2025-04-16T16:22:25.057Z", "dateReserved": "2021-02-19T00:00:00.000Z", "assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6", "datePublished": "2022-05-12T19:18:03.000Z", "assignerShortName": "icscert"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:opener_project:opener:*:*:*:*:*:*:*:*", "matchCriteriaId": "1EE035AE-99DF-4AA0-B75F-679A6F57C194", "versionEndIncluding": "2.3", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "A specifically crafted packet sent by an attacker to EIPStackGroup OpENer EtherNet/IP commits and versions prior to Feb 10, 2021 may allow the attacker to read arbitrary data."}, {"lang": "es", "value": "Un paquete espec\u00edficamente dise\u00f1ado enviado por un atacante a EIPStackGroup OpENer EtherNet/IP commits y versiones anteriores a 10 de febrero de 2021, puede permitir al atacante leer datos arbitrarios"}], "id": "CVE-2021-27482", "lastModified": "2024-11-21T05:58:04.940", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "ics-cert@hq.dhs.gov", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2022-05-12T20:15:13.763", "references": [{"source": "ics-cert@hq.dhs.gov", "tags": ["Third Party Advisory"], "url": "https://github.com/EIPStackGroup/OpENer"}, {"source": "ics-cert@hq.dhs.gov", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-105-02"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/EIPStackGroup/OpENer"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://www.cisa.gov/uscert/ics/advisories/icsa-21-105-02"}], "sourceIdentifier": "ics-cert@hq.dhs.gov", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "ics-cert@hq.dhs.gov", "type": "Secondary"}]}