Critical severity · published May 7, 2021
CVE-2021-22679
The affected product is vulnerable to an integer overflow while processing HTTP headers, which may allow an attacker to remotely execute code on the SimpleLink Wi-Fi (MSP432E4…
9.8
CVSS
1.8%
EPSS
No
On KEV
Description
The affected product is vulnerable to an integer overflow while processing HTTP headers, 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 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).
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.8% · higher than 78% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CS
Cc3100 Software Development Kit · TI
through 1.3.0 · source: NVD
CS
Cc3200 Software Development Kit · TI
through 1.5.0 · source: NVD
SC
Simplelink Cc13x0 Software Development Kit · TI
before 4.10.03 · source: NVD
SC
Simplelink Cc13x2 Software Development Kit · TI
before 4.40.00 · source: NVD
SC
Simplelink Cc26xx Software Development Kit · TI
before 4.40.00 · source: NVD
SC
Simplelink Cc32xx Software Development Kit · TI
through 4.30.00.06 · source: NVD
SM
Simplelink Msp432e4 Software Development Kit · TI
through 4.20.00.12 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-22679
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-22679
Third Party Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-119-01
More from Cc3100 Software Development Kit
9.8
CVE-2021-22671
Multiple integer overflow issues exist while processing long domain names, which may allow an attacker to remotely execute code on the SimpleLink Wi-Fi (MSP432E4 SDK: v4.20.00.12…
8.0
CVE-2021-22673
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…
7.8
CVE-2021-22677
An integer overflow exists in the APIs of the host MCU while trying to connect to a WIFI network may lead to issues such as a denial-of-service condition or code execution on the…
7.2
CVE-2021-22675
The affected product is vulnerable to integer overflow while parsing malformed over-the-air firmware update files, which may allow an attacker to remotely execute code on…