CVE-2021-41613 - Vulnerability Details - OpenCVE

An issue was discovered in the controller unit of the OpenRISC mor1kx processor. The write logic of Exception Effective Address Register (EEAR) is not implemented correctly. User programs from authorized privilege levels will be unable to write to EEAR.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00131.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Openrisc	Mor1kx Mor1kx Firmware

Configuration 1 [-]

AND

cpe:2.3:o:openrisc:mor1kx_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:openrisc:mor1kx:-:*:*:*:*:*:*:*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2021-28627	An issue was discovered in the controller unit of the OpenRISC mor1kx processor. The write logic of Exception Effective Address Register (EEAR) is not implemented correctly. User programs from authorized privilege levels will be unable to write to EEAR.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://github.com/openrisc/mor1kx/issues/141
https://seth.engr.tamu.edu/software-releases/thehuzz/

History

Wed, 05 Mar 2025 19:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2023-04-18T00:00:00.000Z

Updated: 2025-03-05T18:48:53.005Z

Reserved: 2021-09-25T00:00:00.000Z

Link: CVE-2021-41613

Vulnrichment

Updated: 2024-08-04T03:15:29.065Z

NVD

Status : Modified

Published: 2023-04-18T12:15:07.393

Modified: 2025-03-05T19:15:25.660

Link: CVE-2021-41613

Redhat

No data.

OpenCVE Enrichment

No data.

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2021-41613", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2025-03-05T18:48:53.005Z", "dateReserved": "2021-09-25T00:00:00.000Z", "datePublished": "2023-04-18T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2023-04-18T00:00:00.000Z"}, "descriptions": [{"lang": "en", "value": "An issue was discovered in the controller unit of the OpenRISC mor1kx processor. The write logic of Exception Effective Address Register (EEAR) is not implemented correctly. User programs from authorized privilege levels will be unable to write to EEAR."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://github.com/openrisc/mor1kx/issues/141"}, {"url": "https://seth.engr.tamu.edu/software-releases/thehuzz/"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T03:15:29.065Z"}, "title": "CVE Program Container", "references": [{"url": "https://github.com/openrisc/mor1kx/issues/141", "tags": ["x_transferred"]}, {"url": "https://seth.engr.tamu.edu/software-releases/thehuzz/", "tags": ["x_transferred"]}]}, {"problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "description": "CWE-noinfo Not enough information"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2025-02-12T15:43:47.612323Z", "id": "CVE-2021-41613", "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": "2025-03-05T18:48:53.005Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://github.com/openrisc/mor1kx/issues/141", "tags": ["x_transferred"]}, {"url": "https://seth.engr.tamu.edu/software-releases/thehuzz/", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T03:15:29.065Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2021-41613", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-02-12T15:43:47.612323Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "description": "CWE-noinfo Not enough information"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-03-05T18:42:16.407Z"}}], "cna": {"affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "references": [{"url": "https://github.com/openrisc/mor1kx/issues/141"}, {"url": "https://seth.engr.tamu.edu/software-releases/thehuzz/"}], "descriptions": [{"lang": "en", "value": "An issue was discovered in the controller unit of the OpenRISC mor1kx processor. The write logic of Exception Effective Address Register (EEAR) is not implemented correctly. User programs from authorized privilege levels will be unable to write to EEAR."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "text", "description": "n/a"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2023-04-18T00:00:00.000Z"}}}, "cveMetadata": {"cveId": "CVE-2021-41613", "state": "PUBLISHED", "dateUpdated": "2025-03-05T18:48:53.005Z", "dateReserved": "2021-09-25T00:00:00.000Z", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "datePublished": "2023-04-18T00:00:00.000Z", "assignerShortName": "mitre"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:openrisc:mor1kx_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "6FF76CF3-B897-4EBC-9560-AD45017EA68F", "versionEndExcluding": "5.1", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:openrisc:mor1kx:-:*:*:*:*:*:*:*", "matchCriteriaId": "50F3984D-18C3-44C7-B77C-AC431ECD60CB", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in the controller unit of the OpenRISC mor1kx processor. The write logic of Exception Effective Address Register (EEAR) is not implemented correctly. User programs from authorized privilege levels will be unable to write to EEAR."}], "id": "CVE-2021-41613", "lastModified": "2025-03-05T19:15:25.660", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2023-04-18T12:15:07.393", "references": [{"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://github.com/openrisc/mor1kx/issues/141"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://seth.engr.tamu.edu/software-releases/thehuzz/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://github.com/openrisc/mor1kx/issues/141"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://seth.engr.tamu.edu/software-releases/thehuzz/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}