Auth bypass in SonicWall Directory Services Connector
CVE-2020-5148
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.
Vulnerability class: Broken Authentication
EPSS: 0.008 (54.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N.
Affected products
- Sonicwall Directory Services Connector — versions 4.1.17 and earlier
- Sonicwall Directory_services_connector
Weakness classification (CWE)
Public proof-of-concept exploits
References
- PSIRT@sonicwall.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-5148?
- CVE-2020-5148 is a high-severity vulnerability in SonicWall Directory Services Connector, classified under Improper Authentication. CVSS score: 8.2/10. Published 2021-03-05.
- How severe is CVE-2020-5148?
- High severity. CVSS v3 base score is 8.2 out of 10.
- Is CVE-2020-5148 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.