CVE-2021-21966

Severity Score

5.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Se presenta una vulnerabilidad de divulgación de información en la funcionalidad HTTP Server /ping.html de Texas Instruments CC3200 SimpleLink Solution NWP versión 2.9.0.0. Una petición HTTP especialmente diseñada puede conllevar a una lectura no inicializada. Un atacante puede enviar una petición HTTP para desencadenar esta vulnerabilidad

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-01-04 CVE Reserved
2022-02-16 CVE Published
2024-08-03 CVE Updated
2024-08-03 First Exploit
2024-11-01 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-457: Use of Uninitialized Variable
CWE-908: Use of Uninitialized Resource

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1393	2024-08-03

URL	Date	SRC

URL	Date	SRC
https://www.ti.com/lit/an/swra740/swra740.pdf?ts=1645536893264&	2022-07-21

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Ti Search vendor "Ti"	Simplelink Cc32xx Software Development Kit Search vendor "Ti" for product "Simplelink Cc32xx Software Development Kit"	< 5.30.00.08 Search vendor "Ti" for product "Simplelink Cc32xx Software Development Kit" and version " < 5.30.00.08"	-	Affected	in	Ti Search vendor "Ti"	Cc3120 Search vendor "Ti" for product "Cc3120"	-	-	Safe
Ti Search vendor "Ti"	Simplelink Cc32xx Software Development Kit Search vendor "Ti" for product "Simplelink Cc32xx Software Development Kit"	< 5.30.00.08 Search vendor "Ti" for product "Simplelink Cc32xx Software Development Kit" and version " < 5.30.00.08"	-	Affected	in	Ti Search vendor "Ti"	Cc3130 Search vendor "Ti" for product "Cc3130"	-	-	Safe
Ti Search vendor "Ti"	Simplelink Cc32xx Software Development Kit Search vendor "Ti" for product "Simplelink Cc32xx Software Development Kit"	< 5.30.00.08 Search vendor "Ti" for product "Simplelink Cc32xx Software Development Kit" and version " < 5.30.00.08"	-	Affected	in	Ti Search vendor "Ti"	Cc3135 Search vendor "Ti" for product "Cc3135"	-	-	Safe
Ti Search vendor "Ti"	Simplelink Cc32xx Software Development Kit Search vendor "Ti" for product "Simplelink Cc32xx Software Development Kit"	< 5.30.00.08 Search vendor "Ti" for product "Simplelink Cc32xx Software Development Kit" and version " < 5.30.00.08"	-	Affected	in	Ti Search vendor "Ti"	Cc3220r Search vendor "Ti" for product "Cc3220r"	-	-	Safe
Ti Search vendor "Ti"	Simplelink Cc32xx Software Development Kit Search vendor "Ti" for product "Simplelink Cc32xx Software Development Kit"	< 5.30.00.08 Search vendor "Ti" for product "Simplelink Cc32xx Software Development Kit" and version " < 5.30.00.08"	-	Affected	in	Ti Search vendor "Ti"	Cc3220s Search vendor "Ti" for product "Cc3220s"	-	-	Safe
Ti Search vendor "Ti"	Simplelink Cc32xx Software Development Kit Search vendor "Ti" for product "Simplelink Cc32xx Software Development Kit"	< 5.30.00.08 Search vendor "Ti" for product "Simplelink Cc32xx Software Development Kit" and version " < 5.30.00.08"	-	Affected	in	Ti Search vendor "Ti"	Cc3220sf Search vendor "Ti" for product "Cc3220sf"	-	-	Safe
Ti Search vendor "Ti"	Simplelink Cc32xx Software Development Kit Search vendor "Ti" for product "Simplelink Cc32xx Software Development Kit"	< 5.30.00.08 Search vendor "Ti" for product "Simplelink Cc32xx Software Development Kit" and version " < 5.30.00.08"	-	Affected	in	Ti Search vendor "Ti"	Cc3230s Search vendor "Ti" for product "Cc3230s"	-	-	Safe
Ti Search vendor "Ti"	Simplelink Cc32xx Software Development Kit Search vendor "Ti" for product "Simplelink Cc32xx Software Development Kit"	< 5.30.00.08 Search vendor "Ti" for product "Simplelink Cc32xx Software Development Kit" and version " < 5.30.00.08"	-	Affected	in	Ti Search vendor "Ti"	Cc3230sf Search vendor "Ti" for product "Cc3230sf"	-	-	Safe
Ti Search vendor "Ti"	Simplelink Cc32xx Software Development Kit Search vendor "Ti" for product "Simplelink Cc32xx Software Development Kit"	< 5.30.00.08 Search vendor "Ti" for product "Simplelink Cc32xx Software Development Kit" and version " < 5.30.00.08"	-	Affected	in	Ti Search vendor "Ti"	Cc3235s Search vendor "Ti" for product "Cc3235s"	-	-	Safe
Ti Search vendor "Ti"	Simplelink Cc32xx Software Development Kit Search vendor "Ti" for product "Simplelink Cc32xx Software Development Kit"	< 5.30.00.08 Search vendor "Ti" for product "Simplelink Cc32xx Software Development Kit" and version " < 5.30.00.08"	-	Affected	in	Ti Search vendor "Ti"	Cc3235sf Search vendor "Ti" for product "Cc3235sf"	-	-	Safe
Ti Search vendor "Ti"	Cc3100 Firmware Search vendor "Ti" for product "Cc3100 Firmware"	< 1.0.1.15-2.15.0.1 Search vendor "Ti" for product "Cc3100 Firmware" and version " < 1.0.1.15-2.15.0.1"	-	Affected	in	Ti Search vendor "Ti"	Cc3100 Search vendor "Ti" for product "Cc3100"	-	-	Safe
Ti Search vendor "Ti"	Cc3200 Firmware Search vendor "Ti" for product "Cc3200 Firmware"	< 1.0.1.15-2.15.0.1 Search vendor "Ti" for product "Cc3200 Firmware" and version " < 1.0.1.15-2.15.0.1"	-	Affected	in	Ti Search vendor "Ti"	Cc3200 Search vendor "Ti" for product "Cc3200"	-	-	Safe