XSS in Sonicwall Sonicos
CVE-2020-5142
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 vulnerab…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.011 (61.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Sonicwall Sonicos — versions SonicOS 5.9.1.13-5n and earlier, SonicOS 6.5.4.7-79n and earlier, 7.0.0.0
- Sonicwall Sonicosv
Weakness classification (CWE)
Public proof-of-concept exploits
References
- PSIRT@sonicwall.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-5142?
- CVE-2020-5142 is a medium-severity vulnerability in Sonicwall Sonicos, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-10-12.
- How severe is CVE-2020-5142?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2020-5142 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.