CVE-2021-20043: Buffer Overflow
First published: Wed Dec 08 2021(Updated: )
A Heap-based buffer overflow vulnerability in SonicWall SMA100 getBookmarks method allows a remote authenticated attacker to potentially execute code as the nobody user in the appliance. This vulnerability affected SMA 200, 210, 400, 410 and 500v appliances.
Credit: PSIRT@sonicwall.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| SonicWall SMA 200 firmware | =10.2.0.8-37sv | |
| SonicWall SMA 200 firmware | =10.2.1.1-19sv | |
| SonicWall SMA 200 firmware | ||
| SonicWall SMA 210 | =10.2.0.8-37sv | |
| SonicWall SMA 210 | =10.2.1.1-19sv | |
| SonicWall SMA 210 Firmware | ||
| SonicWall SMA 410 | =10.2.0.8-37sv | |
| SonicWall SMA 410 | =10.2.1.1-19sv | |
| SonicWall SMA 410 | ||
| SonicWall SMA 400 firmware | =10.2.0.8-37sv | |
| SonicWall SMA 400 firmware | =10.2.1.1-19sv | |
| SonicWall SMA 400 firmware | ||
| SonicWall SMA 500v Firmware | =10.2.0.8-37sv | |
| SonicWall SMA 500v Firmware | =10.2.1.1-19sv | |
| SonicWall SMA 500v Firmware |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2021-20043.
What is the severity of CVE-2021-20043?
The severity of CVE-2021-20043 is high (8.8).
Which SonicWall SMA appliances are affected by CVE-2021-20043?
SMA 200, 210, 400, 410, and 500v appliances are affected by CVE-2021-20043.
How does CVE-2021-20043 work?
CVE-2021-20043 is a Heap-based buffer overflow vulnerability in the getBookmarks method of SonicWall SMA100, which allows a remote authenticated attacker to potentially execute code as the nobody user in the appliance.
How can I fix CVE-2021-20043?
Apply the latest firmware update provided by SonicWall to mitigate the vulnerability.
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/author
- agent/severity
- agent/last-modified-date
- agent/weakness
- agent/description
- agent/event
- agent/first-publish-date
- agent/source
- agent/tags
- agent/softwarecombine
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/sonicwall
- canonical/sonicwall sma 200 firmware
- version/sonicwall sma 200 firmware/10.2.0.8-37sv
- version/sonicwall sma 200 firmware/10.2.1.1-19sv
- canonical/sonicwall sma 210
- version/sonicwall sma 210/10.2.0.8-37sv
- version/sonicwall sma 210/10.2.1.1-19sv
- canonical/sonicwall sma 210 firmware
- canonical/sonicwall sma 410
- version/sonicwall sma 410/10.2.0.8-37sv
- version/sonicwall sma 410/10.2.1.1-19sv
- canonical/sonicwall sma 400 firmware
- version/sonicwall sma 400 firmware/10.2.0.8-37sv
- version/sonicwall sma 400 firmware/10.2.1.1-19sv
- canonical/sonicwall sma 500v firmware
- version/sonicwall sma 500v firmware/10.2.0.8-37sv
- version/sonicwall sma 500v firmware/10.2.1.1-19sv