CVE-2021-31663 - Vulnerability Details - OpenCVE

Description

RIOT-OS 2021.01 before commit bc59d60be60dfc0a05def57d74985371e4f22d79 contains a buffer overflow which could allow attackers to obtain sensitive information.

Published: 2021-06-18

Score: 7.5 High

EPSS: 1.6% Low

KEV: No

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:o:riot-os:riot:2021.01:-:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-18550	RIOT-OS 2021.01 before commit bc59d60be60dfc0a05def57d74985371e4f22d79 contains a buffer overflow which could allow attackers to obtain sensitive information.

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.

The EPSS score is 0.01615.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/RIOT-OS/RIOT/commit/bc59d60be60dfc0a05def57d74985371e4f22d79
https://github.com/RIOT-OS/RIOT/issues/15927
https://github.com/RIOT-OS/RIOT/pull/15929

History

No history.

Subscriptions

Riot-os Riot

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-06-18T21:49:35.000Z

Updated: 2024-08-03T23:03:33.669Z

Reserved: 2021-04-23T00:00:00.000Z

Link: CVE-2021-31663

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-06-18T22:15:11.970

Modified: 2026-06-17T03:52:08.140

Link: CVE-2021-31663

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2021-02-05T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "RIOT-OS 2021.01 before commit bc59d60be60dfc0a05def57d74985371e4f22d79 contains a buffer overflow which could allow attackers to obtain sensitive information."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-06-18T21:49:35.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://github.com/RIOT-OS/RIOT/issues/15927"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/RIOT-OS/RIOT/pull/15929"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://github.com/RIOT-OS/RIOT/commit/bc59d60be60dfc0a05def57d74985371e4f22d79"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-31663", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "RIOT-OS 2021.01 before commit bc59d60be60dfc0a05def57d74985371e4f22d79 contains a buffer overflow which could allow attackers to obtain sensitive information."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://github.com/RIOT-OS/RIOT/issues/15927", "refsource": "MISC", "url": "https://github.com/RIOT-OS/RIOT/issues/15927"}, {"name": "https://github.com/RIOT-OS/RIOT/pull/15929", "refsource": "MISC", "url": "https://github.com/RIOT-OS/RIOT/pull/15929"}, {"name": "https://github.com/RIOT-OS/RIOT/commit/bc59d60be60dfc0a05def57d74985371e4f22d79", "refsource": "CONFIRM", "url": "https://github.com/RIOT-OS/RIOT/commit/bc59d60be60dfc0a05def57d74985371e4f22d79"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T23:03:33.669Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/RIOT-OS/RIOT/issues/15927"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/RIOT-OS/RIOT/pull/15929"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/RIOT-OS/RIOT/commit/bc59d60be60dfc0a05def57d74985371e4f22d79"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-31663", "datePublished": "2021-06-18T21:49:35.000Z", "dateReserved": "2021-04-23T00:00:00.000Z", "dateUpdated": "2024-08-03T23:03:33.669Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:riot-os:riot:2021.01:-:*:*:*:*:*:*", "matchCriteriaId": "21164D26-DC7F-423B-9832-2C4C494307E0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "RIOT-OS 2021.01 before commit bc59d60be60dfc0a05def57d74985371e4f22d79 contains a buffer overflow which could allow attackers to obtain sensitive information."}, {"lang": "es", "value": "RIOT-OS 2021.01 anterior al commit bc59d60be60dfc0a05def57d74985371e4f22d79, contiene un desbordamiento de b\u00fafer que podr\u00eda permitir a atacantes obtener informaci\u00f3n confidencial"}], "id": "CVE-2021-31663", "lastModified": "2026-06-17T03:52:08.140", "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": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-06-18T22:15:11.970", "references": [{"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/RIOT-OS/RIOT/commit/bc59d60be60dfc0a05def57d74985371e4f22d79"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://github.com/RIOT-OS/RIOT/issues/15927"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://github.com/RIOT-OS/RIOT/pull/15929"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/RIOT-OS/RIOT/commit/bc59d60be60dfc0a05def57d74985371e4f22d79"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/RIOT-OS/RIOT/issues/15927"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/RIOT-OS/RIOT/pull/15929"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-120"}], "source": "nvd@nist.gov", "type": "Primary"}]}