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CVE-2021-31571

Published: Apr 22, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDU csafCWE-190
9.8CRITICAL
NVD MITRE
EPSS Score
1.4%
Top 30.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

Description

The kernel in Amazon Web Services FreeRTOS before 10.4.3 has an integer overflow in queue.c for queue creation.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-190

Affected Products

Amazon Web Services, Inc.
commercial·USaka freertos plus tcp, aws vpn client, freertos
FreeRTOSMixed
Cloud & SaaS / cloud-platform
amazon
commercial·US
freertosEmbeddedOS
ICS / OT / IoT
and 1 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2021-31571?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

https://www.us-cert.gov/ics/advisories/icsa-21-119-04
us-cert.gov
https://nvd.nist.gov/vuln/detail/CVE-2021-31571
nvd.nist.gov
https://github.com/FreeRTOS/FreeRTOS-Kernel/commit/47338393f1f79558f6144213409f09f81d7c4837
github.com
and 39 more references View all →

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