What’s Vulnerable › Vulnerabilities

CVE-2020-5148

• Severity: high (CVSS 8.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-03-05 · updated 2026-06-17
• Weakness: CWE-287

Description

SonicWall SSO-agent default configuration uses NetAPI to probe the associated IP's in the network, this client probing method allows a potential attacker to capture the password hash of the privileged user and potentially forces the SSO Agent to authenticate allowing an attacker to bypass firewall access controls.

Affected products

• SonicWall Directory Services Connector: before 4.1.19 — fixed in 4.1.19

How to fix

Upgrade to a fixed version: SonicWall Directory Services Connector 4.1.19. Check the vendor advisory for mitigations.

References

• https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0003
• https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0003

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