Vulnerability identifier: #VU45888

Vulnerability risk: Low

CVSSv3.1: 3.7 [CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-5774

CWE-ID: CWE-613

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
Tenable Nessus
Client/Desktop applications / Software for system administration

Vendor: Tenable Network Security

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to insufficient session expiration issue. A remote non-authenticated attacker can obtain or guess session token and gain unauthorized access to session that belongs to another user.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Tenable Nessus: 8.0.0 - 8.11.0

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External links
http://www.tenable.com/security/tns-2020-06

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.