CVE-2020-5148 Auth bypass in Directory Services Connector
Attackers can capture privileged user password hashes via NetAPI probing to bypass firewall access controls in SonicWall SSO Agent.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-5148?
CVE-2020-5148 is a high-severity authentication bypass vulnerability in SonicWall Directory Services Connector, published on 5 Mar 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-287
Which versions are affected by CVE-2020-5148?
It affects 1 product.
Products include Sonicwall Directory Services Connector.
How do I fix CVE-2020-5148?
No fix has been published for CVE-2020-5148 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2020-5148 being exploited?
There is no known exploitation of CVE-2020-5148 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in SonicWall Directory Services Connector
Sources
Also known as GHSA-6q6g-vf9m-7mj7.