Integer overflow in Ti Cc3100 Software Development Kit
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 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
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.018 (77.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 77.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
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
- 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
- us-cert.cisa.gov/ics/advisories/icsa-21-119-01 (US Government Resource, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-22671?
- CVE-2021-22671 is a critical-severity vulnerability in Ti Cc3100 Software Development Kit, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2021-05-07.
- How severe is CVE-2021-22671?
- Critical severity. CVSS v3 base score is 9.8 out of 10.