Privilege escalation in Tenable Nessus



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-0101
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Tenable Nessus
Client/Desktop applications / Software for system administration

Vendor Tenable Network Security

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Input validation error

EUVDB-ID: #VU71333

Risk: Medium

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-0101

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote user to compromise the affected system.

The vulnerability exists due to insufficient validation of user-supplied input. A remote authenticated user can execute a specially crafted file to obtain root or NT AUTHORITY / SYSTEM privileges on the Nessus host.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Tenable Nessus: 8.0.0 - 10.4.1

CPE2.3 External links

https://www.tenable.com/security/tns-2023-01
https://www.tenable.com/security/tns-2023-02


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

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



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