Cyber Resilience

CVE-2021-22673

High

Published: 07 May 2021

Published
07 May 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 8.0 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.0074 73.4th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-22673 is a high-severity Stack-based Buffer Overflow (CWE-121) vulnerability in Ti Cc3100 Software Development Kit. Its CVSS base score is 8.0 (High).

Operationally, ranked in the top 26.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

The affected product is vulnerable to stack-based buffer overflow while processing over-the-air firmware updates from the CDN server, which may allow an attacker to remotely execute code on the SimpleLink Wi-Fi (MSP432E4 SDK: v4.20.00.12 and prior, CC32XX SDK v4.30.00.06 and…

more

prior, CC13X0 SDK versions prior to v4.10.03, CC13X2 and CC26XX SDK versions prior to v4.40.00, CC3200 SDK v1.5.0 and prior, CC3100 SDK v1.3.0 and prior).

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

ti
cc3100 software development kit
≤ 1.3.0
ti
cc3200 software development kit
≤ 1.5.0
ti
simplelink cc13x0 software development kit
≤ 4.10.03
ti
simplelink cc13x2 software development kit
≤ 4.40.00
ti
simplelink cc26xx software development kit
≤ 4.40.00
ti
simplelink cc32xx software development kit
≤ 4.30.00.06
ti
simplelink msp432e4 software development kit
≤ 4.20.00.12

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-787

Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.

References