CVE-2021-27429
Texas Instruments TI-RTOS Integer Overflow or Wraparound
HIGH
7.8
CVSS Score
Published: November 20, 2023 at 07:00 PM UTC
Updated: June 17, 2026 at 03:44 AM UTC
18 products affected across 2 vendorsSimplelink CC32XX Software Development KitSimplelink CC26XX Software Development KitReal Time Operating System
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Severity
HIGH7.8
Exploit prediction
EPSS 0.3%
Description
Texas Instruments TI-RTOS returns a valid pointer to a small buffer on extremely large values. This can trigger an integer overflow vulnerability in 'HeapTrack_alloc' and result in code execution.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
All versions
ti-cc3200 (environment) · ti-cc3220r (environment) · ti-cc3220s (environment) · ti-cc3220sf (environment) · ti-cc3230s (environment) · ti-cc3230sf (environment) · ti-cc3235s (environment) · ti-cc3235sf (environment)
v < 4.40.00
Affected range stops below 4.40.00, so it looks safe — our inference, not a vendor statement
v < 4.40.00
Affected range stops below 4.40.00, so it looks safe — our inference, not a vendor statement
v < 4.10.03
Affected range stops below 4.10.03, so it looks safe — our inference, not a vendor statement
All versions
All versions
v < 4.40.00
Affected range stops below 4.40.00, so it looks safe — our inference, not a vendor statement
v < 4.40.00
Affected range stops below 4.40.00, so it looks safe — our inference, not a vendor statement
v < 4.10.03v < 4.40.00.07
Affected range stops below 4.10.03, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.40.00.07, so it looks safe — our inference, not a vendor statement
All versions
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (2)
Third Party AdvisoryUS Government Resource
Source: [email protected]
https://www.cisa.gov/news-events/ics-advisories/icsa-21-119-04CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-190
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