CVE-2021-22673: ti cc3100_software_development_kit Stack-based Buffer Overflow
Vulnerability summary
CVE-2021-22673 is a high (CVSS 8.0) Stack-based Buffer Overflow vulnerability in ti cc3100_software_development_kit. EPSS estimates a 1.21% chance of exploitation in the next 30 days, higher than 67.9% of scored vulnerabilities.
Timeline
- 07-05-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
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 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 metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
1.21%
Chance of exploitation in the next 30 days
Percentile
68%
Versus all other CVEs
30-day change
0.00 pp
From 1.21% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-121Stack-based Buffer OverflowA stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected systems
Ti7 products
- cc3100_software_development_kit≤ 1.3.0
- cc3200_software_development_kit≤ 1.5.0
- simplelink_cc13x0_software_development_kit< 4.10.03
- simplelink_cc13x2_software_development_kit< 4.40.00
- simplelink_cc26xx_software_development_kit< 4.40.00
1 vendor · 7 products
References
1 links
us-cert.cisa.gov/ics/advisories/icsa-21-119-01X Refsource MISCThird Party AdvisoryUS Government Resource