CVE-2021-20045: Buffer Overflow
First published: Wed Dec 08 2021(Updated: )
A buffer overflow vulnerability in SMA100 sonicfiles RAC_COPY_TO (RacNumber 36) method allows a remote unauthenticated 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 |
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Frequently Asked Questions
What is CVE-2021-20045?
CVE-2021-20045 is a buffer overflow vulnerability in the SMA100 sonicfiles RAC_COPY_TO (RacNumber 36) method.
How does CVE-2021-20045 affect Sonicwall SMA appliances?
CVE-2021-20045 affects SMA 200, 210, 400, 410, and 500v appliances.
What is the severity of CVE-2021-20045?
CVE-2021-20045 has a severity rating of 9.8 (critical).
How can CVE-2021-20045 be exploited?
CVE-2021-20045 can be exploited by a remote unauthenticated attacker to potentially execute code as the 'nobody' user in the appliance.
Where can I find more information about CVE-2021-20045?
More information about CVE-2021-20045 can be found at the following reference: [link](https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0026)
- 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