Vulnerability · Published May 7, 2021 · Assigned by icscert
CVE-2021-22671
Critical 9.8
In plain English
A critical-severity integer overflow in SimpleLink Wi-Fi, MSP432, CC13XX, CC26XX, CC32XX, CC3100. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.8% (higher than 78% of all known vulnerabilities).
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)1.8%top 22.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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).
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | SimpleLink Wi-Fi, MSP432, CC13XX, CC26XX, CC32XX, CC3100 | 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: CWE-190
References
- https://us-cert.cisa.gov/ics/advisories/icsa-21-119-01 x_refsource_MISC