A stored cross-site scripting (XSS) vulnerability exists in the SonicOS SSLVPN web interface. A remote unauthenticated attacker is able to…

Description

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.

Scores

EPSS (exploitation in 30 days)

1.3% · top 30% of all CVEs (5 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.1.

Weakness

• CWE-79: Improper Neutralization of Input During Web Page Generation (opens in a new tab)All about CWE-79 and its CVEs

Affected products

• SonicWall · SonicOS

  • affected SonicOS 6.5.4.7-79n and earlier
  • affected SonicOS 5.9.1.7-2n and earlier
  • affected SonicOS 5.9.1.13-5n and earlier
  • affected SonicOS 6.5.1.11-4n and earlier
  • affected SonicOS 6.0.5.3-93o and earlier
  • affected SonicOSv 6.5.4.4-44v-21-794 and earlier
  • affected SonicOS 7.0.0.0-1

References (1)

• https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0017 (opens in a new tab)x_refsource_CONFIRMx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2020-5142](https://trackcve.app/badge/CVE-2020-5142.svg)](https://trackcve.app/cve/CVE-2020-5142)

Record last updated 4 Aug 2024, 08:22 UTC.