← Vulnerability feed

Vulnerability record · CVE-2023-0524 · published 1 February 2023

CVE-2023-0524: Tenable nessus improper privilege management vulnerability

Tenable · Nessus

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.

8.8 CVSS 3.1 High EPSS 0.64% · top 51.5% CWE-269 · Improper privilege management
8.8CVSS 3.1 base score
0.64%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.tenable.com/security/tns-2023-04 Vendor Advisory
https://www.tenable.com/security/tns-2023-04 Vendor Advisory

Track CVE-2023-0524 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2019-11043PHP-FPM buffer overflow enables remote code executionPHP-FPM in certain configurations writes past allocated buffers into FCGI protocol data space, an out-of-bounds write (CWE-787, CWE-120). It affects …KEVEPSS 100%analysed9.0CVE-2021-40438Apache HTTP Server mod_proxy SSRF via crafted URI pathA crafted request URI path can make mod_proxy forward the request to an origin server chosen by the remote user, an SSRF flaw in Apache HTTP Server 2…KEVEPSS 100%analysed9.8CVE-2022-23852Libexpat project libexpat integer overflow vulnerabilityExpat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer, for configurations with a nonzero XML_CONTEXT_BYTES.EPSS 4.6%9.8CVE-2022-22822Libexpat project libexpat integer overflow vulnerabilityaddBinding in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.EPSS 4.8%9.8CVE-2022-22823Libexpat project libexpat integer overflow vulnerabilitybuild_model in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.EPSS 3.4%9.8CVE-2022-22824Libexpat project libexpat integer overflow vulnerabilitydefineAttribute in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer overflow.EPSS 3.4%9.8CVE-2021-44790Apache HTTP Server mod_lua multipart parser buffer overflowA crafted request body triggers an out-of-bounds write in the mod_lua multipart parser when r:parsebody() is called from Lua scripts. The flaw affect…EPSS 97%analysed9.8CVE-2021-41116Getcomposer composer command injection vulnerabilityComposer is an open source dependency manager for the PHP language. In affected versions windows users running Composer to install untrusted dependen…EPSS 2.9%

Source: NIST National Vulnerability Database (record CVE-2023-0524), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.