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AUSCERT External Security Bulletin Redistribution
Nessus OpenSSL Vulnerabilities
6 April 2021
AusCERT Security Bulletin Summary
Operating System: UNIX variants (UNIX, Linux, OSX)
Impact/Access: Denial of Service -- Remote/Unauthenticated
Access Privileged Data -- Remote/Unauthenticated
Provide Misleading Information -- Remote/Unauthenticated
CVE Names: CVE-2021-3450 CVE-2021-3449
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[R1] Nessus 8.13.2 Fixes Multiple Third-party Vulnerabilities
Nessus leverages third-party software to help provide underlying functionality.
One of the third-party components (OpenSSL) was found to contain
vulnerabilities, and updated versions have been made available by the
Out of caution and in line with good practice, Tenable opted to upgrade the
bundled OpenSSL components to address the potential impact of these issues.
Nessus 8.13.2 updates OpenSSL to version 1.1.1k to address the identified
Tenable has released Nessus 8.13.2 to address these issues. The installation
files can be obtained from the Tenable Downloads Portal ( https://
This page contains information regarding security vulnerabilities that may
impact Tenable's products. This may include issues specific to our software, or
due to the use of third-party libraries within our software. Tenable strongly
encourages users to ensure that they upgrade or apply relevant patches in a
Tenable takes product security very seriously. If you believe you have found a
vulnerability in one of our products, we ask that you please work with us to
quickly resolve it in order to protect customers. Tenable believes in
responding quickly to such reports, maintaining communication with researchers,
and providing a solution in short order.
For more details on submitting vulnerability information, please see our
Vulnerability Reporting Guidelines page.
If you have questions or corrections about this advisory, please email
CVE ID: CVE-2021-3449
Tenable Advisory ID:
CVSSv2 Base / Temporal Score:
4.3 / 3.4 (CVE-2021-3449)
5.8 / 4.5 (CVE-2021-3450)
Nessus 8.13.1 and earlier
2021-04-01 - [R1] Initial Release
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