Integer overflow in Ti Cc3100 Software Development Kit
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 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).
Vulnerability class: Integer Overflow
EPSS: 0.003 (22.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Ti Cc3100_software_development_kit
- Ti Cc3200_software_development_kit
- Ti Simplelink_cc13x0_software_development_kit
- Ti Simplelink_cc13x2_software_development_kit
- Ti Simplelink_cc26xx_software_development_kit
- Ti Simplelink_cc32xx_software_development_kit
- Ti Simplelink_msp432e4_software_development_kit
- N/a Simplelink Wi-fi, Msp432, Cc13xx, Cc26xx, Cc32xx, Cc3100 — versions 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
Weakness classification (CWE)
References
- ics-cert@hq.dhs.gov (US Government Resource, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-22677?
- CVE-2021-22677 is a high-severity vulnerability in Ti Cc3100 Software Development Kit, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2021-05-07.
- How severe is CVE-2021-22677?
- High severity. CVSS v3 base score is 7.8 out of 10.