CVE-2021-20049
First published: Thu Dec 23 2021(Updated: )
A vulnerability in SonicWall SMA100 password change API allows a remote unauthenticated attacker to perform SMA100 username enumeration based on the server responses. This vulnerability impacts 10.2.1.2-24sv, 10.2.0.8-37sv and earlier 10.x versions.
Credit: PSIRT@sonicwall.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| SonicWall SMA 100 firmware | <10.0.0.0 | |
| SonicWall SMA 100 firmware | =10.2.0.8-37sv | |
| SonicWall SMA 100 firmware | =10.2.1.2-24sv | |
| SonicWall SMA 100 | ||
| SonicWall SMA 200 | <10.0.0.0 | |
| SonicWall SMA 200 | =10.2.0.8-37sv | |
| SonicWall SMA 200 | =10.2.1.2-24sv | |
| SonicWall SMA 200 firmware | ||
| SonicWall SMA 210 | <10.0.0.0 | |
| SonicWall SMA 210 | =10.2.0.8-37sv | |
| SonicWall SMA 210 | =10.2.1.2-24sv | |
| SonicWall SMA 210 | ||
| SonicWall SMA 400 | <10.0.0.0 | |
| SonicWall SMA 400 | =10.2.0.8-37sv | |
| SonicWall SMA 400 | =10.2.1.2-24sv | |
| SonicWall SMA 400 | ||
| SonicWall SMA 410 | <10.0.0.0 | |
| SonicWall SMA 410 | =10.2.0.8-37sv | |
| SonicWall SMA 410 | =10.2.1.2-24sv | |
| SonicWall SMA 410 | ||
| SonicWall SMA 500v Firmware | <10.0.0.0 | |
| SonicWall SMA 500v Firmware | =10.2.0.8-37sv | |
| SonicWall SMA 500v Firmware | =10.2.1.2-24sv | |
| SonicWall SMA 500v |
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Frequently Asked Questions
What is the severity of CVE-2021-20049?
The severity of CVE-2021-20049 is high, with a severity value of 7.5.
Which SonicWall SMA100 firmware versions are affected by CVE-2021-20049?
SonicWall SMA100 firmware versions 10.2.1.2-24sv, 10.2.0.8-37sv, and earlier 10.x versions are affected by CVE-2021-20049.
What is the vulnerability in SonicWall SMA100 password change API?
The vulnerability in SonicWall SMA100 password change API allows a remote unauthenticated attacker to perform SMA100 username enumeration based on the server responses.
Is the SonicWall SMA200 firmware affected by CVE-2021-20049?
No, the SonicWall SMA200 firmware is not affected by CVE-2021-20049.
How can I fix the CVE-2021-20049 vulnerability in SonicWall SMA100?
To fix the CVE-2021-20049 vulnerability in SonicWall SMA100, update to a version that is not affected, such as 10.2.1.2-25sv.
- agent/weakness
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/author
- agent/severity
- agent/last-modified-date
- agent/description
- agent/event
- agent/first-publish-date
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/sonicwall
- canonical/sonicwall sma 100 firmware
- version/sonicwall sma 100 firmware/10.2.0.8-37sv
- version/sonicwall sma 100 firmware/10.2.1.2-24sv
- canonical/sonicwall sma 100
- canonical/sonicwall sma 200
- version/sonicwall sma 200/10.2.0.8-37sv
- version/sonicwall sma 200/10.2.1.2-24sv
- canonical/sonicwall sma 200 firmware
- canonical/sonicwall sma 210
- version/sonicwall sma 210/10.2.0.8-37sv
- version/sonicwall sma 210/10.2.1.2-24sv
- canonical/sonicwall sma 400
- version/sonicwall sma 400/10.2.0.8-37sv
- version/sonicwall sma 400/10.2.1.2-24sv
- canonical/sonicwall sma 410
- version/sonicwall sma 410/10.2.0.8-37sv
- version/sonicwall sma 410/10.2.1.2-24sv
- canonical/sonicwall sma 500v firmware
- version/sonicwall sma 500v firmware/10.2.0.8-37sv
- version/sonicwall sma 500v firmware/10.2.1.2-24sv
- canonical/sonicwall sma 500v