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Tenable

Tenable Nessus Agent: vulnerabilities and CVEs

Tenable Nessus Agent has 16 published vulnerabilities, 4 of them in the last 12 months. 1 are rated critical and 0 are listed by CISA as actively exploited.

CVEs16
Last 12 months4
Critical1
Actively exploited0

All vulnerabilities in the catalogue →⭐ Follow this technology

Latest vulnerabilities

CVESeverityEPSSActive exploitationPublishedDescription
CVE-2026-15265Critical (9.4)0.56%—Jul 14, 2026
A path traversal vulnerability in Tenable Agent 11.2.0 and 11.1.3 and lower allows a privileged attacker to write arbitrary files outside the intended plugin directory, potentially leading to remote code execution.
CVE-2026-33694High (7.4)0.20%—Apr 23, 2026
This vulnerability allows an attacker to create a junction, enabling the deletion of arbitrary files with SYSTEM privileges. As a result, this condition potentially facilitates arbitrary code execution, whereby an…
CVE-2026-2026Medium (5.4)0.11%—Feb 13, 2026
A vulnerability has been identified where weak file permissions in the Nessus Agent directory on Windows hosts could allow unauthorized access, potentially permitting Denial of Service (DoS) attacks.
CVE-2025-36640High (7.3)0.13%—Jan 13, 2026
A vulnerability has been identified in the installation/uninstallation of the Nessus Agent Tray App on Windows Hosts which could lead to escalation of privileges.
CVE-2025-36632High (7.8)0.20%—Jun 16, 2025
In Tenable Agent versions prior to 10.8.5 on a Windows host, it was found that a non-administrative user could execute code with SYSTEM privilege.
CVE-2025-36633High (7.8)0.18%—Jun 13, 2025
In Tenable Agent versions prior to 10.8.5 on a Windows host, it was found that a non-administrative user could arbitrarily delete local system files with SYSTEM privilege, potentially leading to local privilege…
CVE-2025-36631High (7.8)0.17%—Jun 13, 2025
In Tenable Agent versions prior to 10.8.5 on a Windows host, it was found that a non-administrative user could overwrite arbitrary local system files with log content at SYSTEM privilege.
CVE-2025-24915High (7.8)0.18%—Mar 21, 2025
When installing Nessus Agent to a non-default location on a Windows host, Nessus Agent versions prior to 10.8.3 did not enforce secure permissions for sub-directories. This could allow for local privilege escalation if…
CVE-2024-3291High (7.8)0.18%—May 17, 2024
When installing Nessus Agent to a directory outside of the default location on a Windows host, Nessus Agent versions prior to 10.6.4 did not enforce secure permissions for sub-directories. This could allow for local…
CVE-2023-5847High (7.3)0.22%—Nov 1, 2023
Under certain conditions, a low privileged attacker could load a specially crafted file during installation or upgrade to escalate privileges on Windows and Linux hosts.
CVE-2021-20118Medium (6.7)0.30%—Sep 9, 2021
Nessus Agent 8.3.0 and earlier was found to contain a local privilege escalation vulnerability which could allow an authenticated, local administrator to run specific executables on the Nessus Agent host. This is…
CVE-2021-20117Medium (6.7)0.30%—Sep 9, 2021
Nessus Agent 8.3.0 and earlier was found to contain a local privilege escalation vulnerability which could allow an authenticated, local administrator to run specific executables on the Nessus Agent host. This is…
CVE-2021-3450High (7.4)18%—Mar 25, 2021
The X509_V_FLAG_X509_STRICT flag enables additional security checks of the certificates present in a certificate chain. It is not set by default. Starting from OpenSSL version 1.1.1h a check to disallow certificates in…
CVE-2021-20077Medium (6.7)0.35%—Mar 19, 2021
Nessus Agent versions 7.2.0 through 8.2.2 were found to inadvertently capture the IAM role security token on the local host during initial linking of the Nessus Agent when installed on an Amazon EC2 instance. This could…
CVE-2020-5793High (7.8)0.40%—Nov 5, 2020
A vulnerability in Nessus versions 8.9.0 through 8.12.0 for Windows & Nessus Agent 8.0.0 and 8.1.0 for Windows could allow an authenticated local attacker to copy user-supplied files to a specially constructed path in a…
CVE-2019-16168Medium (6.5)4.3%—Sep 9, 2019
In SQLite through 3.29.0, whereLoopAddBtreeIndex in sqlite3.c can crash a browser or other application because of missing validation of a sqlite_stat1 sz field, aka a "severe division by zero in the query planner."

🎯 How it gets exploited (ATT&CK techniques)

  1. T1068 Exploitation for Privilege Escalation5
  2. T1203 Exploitation for Client Execution1
  3. T1210 Exploitation of Remote Services1
  4. T1565.001 Stored Data Manipulation1

Number of CVEs of this technology mapped to each exploitation or primary-impact technique.

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