CVE-2020-5133: Buffer Overflow
First published: Mon Oct 12 2020(Updated: )
A vulnerability in SonicOS allows a remote unauthenticated attacker to cause Denial of Service due to buffer overflow, which leads to a firewall crash. This vulnerability affected SonicOS Gen 6 version 6.5.1.12, 6.0.5.3, SonicOSv 6.5.4.v and Gen 7 version 7.0.0.0.
Credit: PSIRT@sonicwall.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| SonicWall SonicOS | >=6.0.0.0<=6.0.5.3 | |
| SonicWall SonicOS | >=6.5.0.0<=6.5.1.11 | |
| SonicWall SonicOS | =7.0.0.0 | |
| Sonicwall Sonicosv | <=6.5.4.4 |
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Frequently Asked Questions
What is CVE-2020-5133?
CVE-2020-5133 is a vulnerability in SonicOS that allows a remote unauthenticated attacker to cause Denial of Service due to buffer overflow, which leads to a firewall crash.
Which versions of SonicOS are affected by CVE-2020-5133?
SonicOS Gen 6 versions 6.5.1.12, 6.0.5.3, SonicOSv 6.5.4.v, and Gen 7 version 7.0.0.0 are affected by CVE-2020-5133.
How severe is CVE-2020-5133?
CVE-2020-5133 has a severity score of 7.5, which is considered high.
How can I fix CVE-2020-5133?
To fix CVE-2020-5133, update your SonicOS Gen 6 to versions 6.5.1.13 or later, SonicOSv to version 6.5.4.v-20s or later, or Gen 7 to version 7.0.1.0 or later.
Where can I find more information about CVE-2020-5133?
You can find more information about CVE-2020-5133 at the following reference link: [https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0008](https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0008)
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- vendor/sonicwall
- canonical/sonicwall sonicos
- version/sonicwall sonicos/6.0.0.0
- version/sonicwall sonicos/6.0.5.3
- version/sonicwall sonicos/6.5.0.0
- version/sonicwall sonicos/6.5.1.11
- version/sonicwall sonicos/7.0.0.0
- canonical/sonicwall sonicosv
- version/sonicwall sonicosv/6.5.4.4