CVE-2021-27427 - Vulnerability Details - OpenCVE

RIOT OS version 2020.01.1 is vulnerable to integer wrap-around in its implementation of calloc function, which can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or a remote code injection/execution.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploitation none

Automatable yes

Technical Impact partial

Vendors	Products
Riot-os	Riot

Configuration 1 [-]

cpe:2.3:o:riot-os:riot:2020.01.1:*:*:*:*:*:*:*

No data.

References

Link	Providers
https://github.com/RIOT-OS/RIOT
https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04

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: 2022-05-03T20:16:27.000Z

Updated: 2025-04-16T16:25:40.605Z

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

Link: CVE-2021-27427

Vulnrichment

Updated: 2024-08-03T20:48:17.126Z

NVD

Status : Modified

Published: 2022-05-03T21:15:08.433

Modified: 2024-11-21T05:57:58.080

Link: CVE-2021-27427

Redhat

No data.

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