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CVE-2020-5774
Tenable Nessus vulnerability analysis and mitigation

Overview

CVE-2020-5774 affects Nessus versions 8.11.0 and earlier, where the application was found to maintain sessions longer than the permitted period in certain scenarios. The vulnerability was discovered in June 2020 and publicly disclosed in August 2020 with the release of version 8.11.1 containing the fix (Tenable Advisory).

Technical details

The vulnerability is classified as an insufficient session expiration issue (CWE-613). It received a CVSS v3.1 base score of 7.1 (HIGH) with the vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N, and a CVSS v2.0 base score of 3.6 (LOW) (NVD).

Impact

The lack of proper session expiration could allow attackers with local access to login into an existing browser session, potentially gaining unauthorized access to the application (Tenable Advisory).

Mitigation and workarounds

Tenable has released version 8.11.1 to address this vulnerability. Users are advised to upgrade to this version or later through the Tenable Downloads Portal (Tenable Advisory).

Additional resources


SourceThis report was generated using AI

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