CVE-2021-22679

moderate-risk
Published 2021-05-07

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).

Do I need to act?

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0.69% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (7)

Cc3100 Software Development Kit
Cc3200 Software Development Kit
Simplelink Cc13X0 Software Development Kit
Simplelink Cc13X2 Software Development Kit
Simplelink Cc26Xx Software Development Kit
Simplelink Cc32Xx Software Development Kit
Simplelink Msp432E4 Software Development Kit

Affected Vendors

Ti

References (2)

Third Party Advisory https://us-cert.cisa.gov/ics/advisories/icsa-21-119-01
Third Party Advisory https://us-cert.cisa.gov/ics/advisories/icsa-21-119-01
48
/ 100
moderate-risk
Severity 32/34 · Critical
Exploitability 2/34 · Minimal
Exposure 14/34 · Moderate