CVE-2023-0524
HIGHNessus - Privilege Escalation via Plugin Environment Variable Manipulation
Title source: llmDescription
As part of our Security Development Lifecycle, a potential privilege escalation issue was identified internally. This could allow a malicious actor with sufficient permissions to modify environment variables and abuse an impacted plugin in order to escalate privileges. We have resolved the issue and also made several defense-in-depth fixes alongside. While the probability of successful exploitation is low, Tenable is committed to securing our customers’ environments and our products. The updates have been distributed via the Tenable plugin feed in feed serial numbers equal to or greater than #202212212055.
References (1)
Core 1
Core References
Vendor Advisory
https://www.tenable.com/security/tns-2023-04
Scores
CVSS v3
8.8
EPSS
0.0016
EPSS Percentile
36.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-269
Status
published
Products (3)
tenable/nessus
tenable/tenable.io
tenable/tenable.sc
Published
Feb 01, 2023
Tracked Since
Feb 18, 2026