CVE-2021-22671

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).

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.69% Top 30%
Third-Party Advisory cisa.gov
Affected: n/a SimpleLink Wi-Fi, MSP432, CC13XX, CC26XX, CC32XX, CC3100
Published at:
Updated at:

References

Link Tags
https://us-cert.cisa.gov/ics/advisories/icsa-21-119-01 third party advisory us government resource

Frequently Asked Questions

What is the severity of CVE-2021-22671?
CVE-2021-22671 has been scored as a critical severity vulnerability.
How to fix CVE-2021-22671?
To fix CVE-2021-22671, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-22671 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-22671 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-22671?
CVE-2021-22671 affects n/a SimpleLink Wi-Fi, MSP432, CC13XX, CC26XX, CC32XX, CC3100.
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