Vulnerability in Tenable Nessus
CVE-2020-5774
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.
EPSS: 0.003 (27.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.
Affected products
- Tenable Nessus
- N/a Tenable Nessus — versions < 8.11.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vulnreport@tenable.com (Patch, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-5774?
- CVE-2020-5774 is a high-severity vulnerability in Tenable Nessus, classified under Insufficient Session Expiration. CVSS score: 7.1/10. Published 2020-08-21.
- How severe is CVE-2020-5774?
- High severity. CVSS v3 base score is 7.1 out of 10.
- Is CVE-2020-5774 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.