CVE-2020-5774 Auth bypass in Tenable Nessus
Attackers with local access can hijack active sessions due to improper session expiration in Tenable Nessus.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-5774?
CVE-2020-5774 is a high-severity authentication bypass vulnerability in Tenable Nessus, published on 21 Aug 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Nessus versions 8.11.0 and earlier were found to maintain sessions longer than the permitted period in certain scenarios. The lack of proper session expiration could allow attackers with local access to login into an existing browser session.
Weakness: CWE-613
Which versions are affected by CVE-2020-5774?
It affects 1 product.
Products include Tenable Nessus.
How do I fix CVE-2020-5774?
No fix has been published for CVE-2020-5774 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-2020-5774 being exploited?
There is no known exploitation of CVE-2020-5774 in the wild and no public exploit code.
Other vulnerabilities in Tenable Nessus
Sources
Also known as GHSA-f37f-gf89-7rm9.