What’s Vulnerable › Vulnerabilities

CVE-2020-5132

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-09-30 · updated 2026-06-17
• Weakness: CWE-200

Description

SonicWall SSL-VPN products and SonicWall firewall SSL-VPN feature misconfiguration leads to possible DNS flaw known as domain name collision vulnerability. When the users publicly display their organization’s internal domain names in the SSL-VPN authentication page, an attacker with knowledge of internal domain names can potentially take advantage of this vulnerability.

Affected products

• SonicWall SMA 100: 10.2.0.2-20sv, 12.4.0-2223
• SonicWall SonicOS: 6.5.4.6-79n

References

• https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0006
• https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2020-0006

Get alerted when CVE-2020-5132 or the next vulnerability affects your stack