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CVE-2023-0524As part of our Security Development Lifecycle, a potential privilege escalation issue was identified internally. This could allow a…

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.

Timeline

  1. ID reserved

    By tenable

  2. · 5 days later

    Published

  3. · 2 years later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2023-0524, by who scored it
Scored byCVSSScoreVector
CISA-ADPADP (enrichment)3.1High8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVDNVD · Modified3.1High8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.66% · top 48% of all CVEs (13 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.

Affected products

  • Tenable.io, Tenable.sc, Nessus

    • affected Tenable plugin feed serial numbers less than #202212212055.

References

References1

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2023-0524 badge
[![CVE-2023-0524](https://cveledger.app/badge/CVE-2023-0524.svg)](https://cveledger.app/cve/CVE-2023-0524)

Record last updated .