CVE-2018-1148 Auth bypass in Tenable Nessus

What is CVE-2018-1148?

CVE-2018-1148 is a medium-severity authentication bypass vulnerability in Tenable Nessus, published on 18 May 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

In Nessus before 7.1.0, Session Fixation exists due to insufficient session management within the application. An authenticated attacker could maintain system access due to session fixation after a user password change.

Weakness: CWE-384

Which versions are affected by CVE-2018-1148?

It affects 1 product.

Products include Tenable Nessus.

How do I fix CVE-2018-1148?

No fix has been published for CVE-2018-1148 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-2018-1148 being exploited?

There is no known exploitation of CVE-2018-1148 in the wild and no public exploit code.

Other vulnerabilities in Tenable Nessus

• CVE-2022-4313 Command injection in Tenable.io, Tenable.sc and Nessus High 8.8
• CVE-2023-0524 Privilege escalation in Tenable.io, Tenable.sc, Nessus High 8.8
• CVE-2023-0101 Privilege escalation in Nessus High 8.8
• CVE-2022-32973 Privilege escalation in Nessus High 8.8
• CVE-2025-36630 Local Privilege Escalation High 8.4

All Tenable Nessus vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-2ccr-v9r3-2qmg.