CVE-2020-5142: XSS
First published: Mon Oct 12 2020(Updated: )
A stored cross-site scripting (XSS) vulnerability exists in the SonicOS SSLVPN web interface. A remote unauthenticated attacker is able to store and potentially execute arbitrary JavaScript code in the firewall SSLVPN portal. This vulnerability affected SonicOS Gen 5 version 5.9.1.7, 5.9.1.13, Gen 6 version 6.5.4.7, 6.5.1.12, 6.0.5.3, SonicOSv 6.5.4.v and Gen 7 version SonicOS 7.0.0.0.
Credit: PSIRT@sonicwall.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| SonicWall SonicOS | <=5.9.1.13 | |
| SonicWall SonicOS | >=6.0.0.0<=6.0.5.3 | |
| SonicWall SonicOS | >=6.5.0.0<=6.5.1.11 | |
| SonicWall SonicOS | >=6.5.4.0<=6.5.4.7 | |
| SonicWall SonicOS | =7.0.0.0 | |
| Sonicwall Sonicosv | <=6.5.4.4 |
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 CVE-2020-5142?
CVE-2020-5142 is a stored cross-site scripting (XSS) vulnerability that exists in the SonicOS SSLVPN web interface.
How can an attacker exploit CVE-2020-5142?
A remote unauthenticated attacker can store and potentially execute arbitrary JavaScript code in the firewall SSLVPN portal.
Which software versions are affected by CVE-2020-5142?
SonicOS Gen 5 versions 5.9.1.7 and 5.9.1.13, as well as SonicOS Gen 6 versions between 6.0.0.0 and 6.0.5.3, SonicOS Gen 6.5 versions between 6.5.0.0 and 6.5.1.11, SonicOS Gen 6.5 version 6.5.4.0 through 6.5.4.7, and SonicOS Gen 7 version 7.0.0.0 are affected.
What is the severity of CVE-2020-5142?
CVE-2020-5142 has a severity rating of 6.1 (medium).
How can I fix CVE-2020-5142?
Upgrade to a fixed version of SonicOS. Refer to the vendor's advisory for more information: [link](https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0017).
- collector/nvd-index
- agent/severity
- agent/references
- agent/author
- agent/weakness
- agent/tags
- agent/type
- agent/event
- agent/description
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- collector/mitre-cve
- source/MITRE
- vendor/sonicwall
- canonical/sonicwall sonicos
- version/sonicwall sonicos/5.9.1.13
- 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/6.5.4.0
- version/sonicwall sonicos/6.5.4.7
- version/sonicwall sonicos/7.0.0.0
- canonical/sonicwall sonicosv
- version/sonicwall sonicosv/6.5.4.4