CVE-2021-22677
Last modified
CVE-2021-22677 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. An integer overflow exists in the APIs of the host MCU while trying to connect to a WIFI network may lead to issues such as a denial-of-service condition or code execution 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).. EPSS estimates a 0.30% chance of exploitation in the next 30 days.
Description
An integer overflow exists in the APIs of the host MCU while trying to connect to a WIFI network may lead to issues such as a denial-of-service condition or code execution 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).
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Ti | Cc3100 Software Development Kit | <= 1.3.0 |
| Ti | Cc3200 Software Development Kit | <= 1.5.0 |
| Ti | Simplelink Cc13x0 Software Development Kit | < 4.10.03 |
| Ti | Simplelink Cc13x2 Software Development Kit | < 4.40.00 |
| Ti | Simplelink Cc26xx Software Development Kit | < 4.40.00 |
| Ti | Simplelink Cc32xx Software Development Kit | <= 4.30.00.06 |
| Ti | Simplelink Msp432e4 Software Development Kit | <= 4.20.00.12 |
References
- https://us-cert.cisa.gov/ics/advisories/icsa-21-119-01Third Party Advisory, US Government Resource
- https://us-cert.cisa.gov/ics/advisories/icsa-21-119-01Third Party Advisory, US Government Resource
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-22677?
How severe is CVE-2021-22677?
How do I fix CVE-2021-22677?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-22671Multiple integer overflow issues exist while processing long…9.8
- CVE-2021-22672Delta Electronics' CNCSoft ScreenEditor in versions prior to…7.8
- CVE-2021-22673The affected product is vulnerable to stack-based buffer ove…8
- CVE-2021-22674The affected product is vulnerable to a relative path traver…6.5
- CVE-2021-22675The affected product is vulnerable to integer overflow while…7.2
- CVE-2021-22676UserExcelOut.asp within WebAccess/SCADA is vulnerable to cro…6.1
- CVE-2021-22678Cscape (All versions prior to 9.90 SP4) lacks proper validat…7.8
- CVE-2021-22679The affected product is vulnerable to an integer overflow wh…9.8
- CVE-2021-2268Vulnerability in the Oracle Quoting product of Oracle E-Busi…8.1
- CVE-2021-22680NXP MQX Versions 5.1 and prior are vulnerable to integer ove…9.8
- CVE-2021-22681Rockwell Automation Studio 5000 Logix Designer Versions 21 a…9.8
- CVE-2021-22682Cscape (All versions prior to 9.90 SP4) is configured by def…7.8
Are you affected by CVE-2021-22677?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST