Cyber Resilience

CVE-2021-21966

MediumPublic PoC

Published: 16 February 2022

Published
16 February 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS Score 0.0202 84.1th percentile
Risk Priority 12 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-21966 is a medium-severity Use of Uninitialized Variable (CWE-457) vulnerability in Ti Simplelink Cc32Xx Software Development Kit. Its CVSS base score is 5.3 (Medium).

Operationally, ranked in the top 15.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

An information disclosure vulnerability exists in the HTTP Server /ping.html functionality of Texas Instruments CC3200 SimpleLink Solution NWP 2.9.0.0. A specially-crafted HTTP request can lead to an uninitialized read. An attacker can send an HTTP request to trigger this vulnerability.

CWE(s)

Related Threats

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

Affected Assets

ti
simplelink cc32xx software development kit
≤ 5.30.00.08
ti
cc3100 firmware
≤ 1.0.1.15-2.15.0.1
ti
cc3200 firmware
≤ 1.0.1.15-2.15.0.1

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References