Nessus Security Vulnerabilities
As a part of Tenable’s vulnerability disclosure program, a vulnerability in a Nessus plugin was identified and reported. This vulnerability could allow a malicious actor with sufficient permissions on a scan target to place a binary in a specific filesystem location, and abuse the impacted plugin.....
7.8CVSS
7.4AI Score
0.0004EPSS
A SQL injection vulnerability exists where an authenticated, low-privileged remote attacker could potentially alter scan DB...
6.5CVSS
8.6AI Score
0.0005EPSS
A stored XSS vulnerability exists where an authenticated, remote attacker with administrator privileges on the Nessus application could alter Nessus proxy settings, which could lead to the execution of remote arbitrary...
4.8CVSS
6.5AI Score
0.0005EPSS
An arbitrary file write vulnerability exists where an authenticated attacker with privileges on the managing application could alter Nessus Rules variables to overwrite arbitrary files on the remote host, which could lead to a denial of service...
6.5CVSS
7.4AI Score
0.0005EPSS
An arbitrary file write vulnerability exists where an authenticated, remote attacker with administrator privileges on the Nessus application could alter Nessus Rules variables to overwrite arbitrary files on the remote host, which could lead to a denial of service...
6.5CVSS
7.5AI Score
0.001EPSS
Under certain conditions, a low privileged attacker could load a specially crafted file during installation or upgrade to escalate privileges on Windows and Linux...
7.3CVSS
7.5AI Score
0.001EPSS
NNM failed to properly set ACLs on its installation directory, which could allow a low privileged user to run arbitrary code with SYSTEM privileges where NNM is installed to a non-standard...
7.8CVSS
7.1AI Score
0.0004EPSS
Under certain conditions, Nessus Network Monitor could allow a low privileged user to escalate privileges to NT AUTHORITY\SYSTEM on Windows hosts by replacing a specially crafted...
8.8CVSS
6.9AI Score
0.001EPSS
Under certain conditions, Nessus Network Monitor was found to not properly enforce input validation. This could allow an admin user to alter parameters that could potentially allow a blindSQL...
7.2CVSS
6.7AI Score
0.0005EPSS
An improper authorization vulnerability exists where an authenticated, low privileged remote attacker could view a list of all the users available in the...
4.3CVSS
5.2AI Score
0.001EPSS
An arbitrary file write vulnerability exists where an authenticated, remote attacker with administrator privileges could alter logging variables to overwrite arbitrary files on the remote host with log data, which could lead to a denial of service...
6.5CVSS
6.5AI Score
0.001EPSS
A pass-back vulnerability exists where an authenticated, remote attacker with administrator privileges could uncover stored SMTP credentials within the Nessus application.This issue affects Nessus: before...
4.9CVSS
5.7AI Score
0.001EPSS
Vulnerability in Tenable Tenable.Io, Tenable Nessus, Tenable Security Center.This issue affects Tenable.Io: before Plugin Feed ID #202306261202 ; Nessus: before Plugin Feed ID #202306261202 ; Security Center: before Plugin Feed ID #202306261202 . This vulnerability could allow a malicious actor...
8.8CVSS
8.6AI Score
0.001EPSS
A vulnerability was reported where through modifying the scan variables, an authenticated user in Tenable products, that has Scan Policy Configuration roles, could manipulate audit policy variables to execute arbitrary commands on credentialed scan...
8.8CVSS
8.8AI Score
0.001EPSS
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...
8.8CVSS
8.9AI Score
0.001EPSS
A privilege escalation vulnerability was identified in Nessus versions 8.10.1 through 8.15.8 and 10.0.0 through 10.4.1. An authenticated attacker could potentially execute a specially crafted file to obtain root or NT AUTHORITY / SYSTEM privileges on the Nessus...
8.8CVSS
8.7AI Score
0.001EPSS
An authenticated attacker could utilize the identical agent and cluster node linking keys to potentially allow for a scenario where unauthorized disclosure of agent logs and data is...
6.5CVSS
6.2AI Score
0.001EPSS
An authenticated attacker could read Nessus Debug Log file attachments from the web UI without having the correct privileges to do so. This may lead to the disclosure of information on the scan target and/or the Nessus scan to unauthorized parties able to reach the Nessus...
6.5CVSS
6.1AI Score
0.001EPSS
Insufficiently Protected Credentials: An authenticated user with debug privileges can retrieve stored Nessus policy credentials from the “nessusd” process in cleartext via process dumping. The affected products are all versions of Nessus Essentials and Professional. The vulnerability allows an...
6.5CVSS
6.3AI Score
0.001EPSS
An authenticated attacker could read arbitrary files from the underlying operating system of the scanner using a custom crafted compliance audit file without providing any valid SSH...
6.5CVSS
7.2AI Score
0.001EPSS
An authenticated attacker could create an audit file that bypasses PowerShell cmdlet checks and executes commands with administrator...
8.8CVSS
8.6AI Score
0.001EPSS
7.5CVSS
8.6AI Score
0.006EPSS
Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XML_GetBuffer, for configurations with a nonzero...
9.8CVSS
9.6AI Score
0.014EPSS
defineAttribute in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer...
9.8CVSS
9.5AI Score
0.008EPSS
nextScaffoldPart in xmlparse.c in Expat (aka libexpat) before 2.4.3 has an integer...
8.8CVSS
9.3AI Score
0.007EPSS
9.8CVSS
9.5AI Score
0.01EPSS
9.8CVSS
9.3AI Score
0.003EPSS
8.8CVSS
9.3AI Score
0.008EPSS
8.8CVSS
9.3AI Score
0.007EPSS
In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for...
7.8CVSS
8.9AI Score
0.001EPSS
In Expat (aka libexpat) before 2.4.3, a left shift by 29 (or more) places in the storeAtts function in xmlparse.c can lead to realloc misbehavior (e.g., allocating too few bytes, or only freeing...
8.8CVSS
9.1AI Score
0.01EPSS
Nessus versions 8.15.2 and earlier were found to contain a local privilege escalation vulnerability which could allow an authenticated, local administrator to run specific executables on the Nessus Agent host. Tenable has included a fix for this issue in Nessus 10.0.0. The installation files can...
6.7CVSS
6.7AI Score
0.0004EPSS
Nessus Agent versions 8.2.5 and earlier were found to contain a privilege escalation vulnerability which could allow a Nessus administrator user to upload a specially crafted file that could lead to gaining administrator privileges on the Nessus...
6.5CVSS
6.7AI Score
0.0004EPSS
Nessus versions 8.13.2 and earlier were found to contain a privilege escalation vulnerability which could allow a Nessus administrator user to upload a specially crafted file that could lead to gaining administrator privileges on the Nessus...
6.7CVSS
6.8AI Score
0.0004EPSS
Nessus Agent 8.2.4 and earlier for Windows were found to contain multiple local privilege escalation vulnerabilities which could allow an authenticated, local administrator to run specific Windows executables as the Nessus host. This is different than...
6.7CVSS
6.9AI Score
0.0004EPSS
Nessus Agent 8.2.4 and earlier for Windows were found to contain multiple local privilege escalation vulnerabilities which could allow an authenticated, local administrator to run specific Windows executables as the Nessus host. This is different than...
6.7CVSS
6.9AI Score
0.0004EPSS
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 specifically named user directory. An attacker could exploit this...
7.8CVSS
6.4AI Score
0.0004EPSS
Nessus versions 8.11.0 and earlier were found to maintain sessions longer than the permitted period in certain scenarios. The lack of proper session expiration could allow attackers with local access to login into an existing browser...
7.1CVSS
6.6AI Score
0.0004EPSS
Nessus 8.10.0 and earlier were found to contain a Stored XSS vulnerability due to improper validation of input during scan configuration. An authenticated, remote attacker could potentially exploit this vulnerability to execute arbitrary code in a user's session. Tenable has implemented additional....
5.4CVSS
6.8AI Score
0.001EPSS
Tenable Nessus before 6.8 has a stored XSS issue that requires admin-level authentication to the Nessus UI, and would only potentially impact other admins. (Tenable ID...
4.8CVSS
6.1AI Score
0.001EPSS
Tenable Nessus before 6.8 has a stored XSS issue that requires admin-level authentication to the Nessus UI, and would potentially impact other admins (Tenable IDs 5218 and...
4.8CVSS
6.1AI Score
0.001EPSS
Nessus versions 8.6.0 and earlier were found to contain a Denial of Service vulnerability due to improper validation of specific imported scan types. An authenticated, remote attacker could potentially exploit this vulnerability to cause a Nessus scanner to become temporarily...
6.5CVSS
6.9AI Score
0.001EPSS
Nessus 8.5.2 and earlier on Windows platforms were found to contain an issue where certain system files could be overwritten arbitrarily, potentially creating a denial of service...
8.1CVSS
7AI Score
0.001EPSS
Content Injection vulnerability in Tenable Nessus prior to 8.5.0 may allow an authenticated, local attacker to exploit this vulnerability by convincing another targeted Nessus user to view a malicious URL and use Nessus to send fraudulent messages. Successful exploitation could allow the...
3.3CVSS
6.5AI Score
0.001EPSS
Nessus versions 8.4.0 and earlier were found to contain a reflected XSS vulnerability due to improper validation of user-supplied input. An unauthenticated, remote attacker could potentially exploit this vulnerability via a specially crafted request to execute arbitrary script code in a users...
6.1CVSS
6.9AI Score
0.001EPSS
In libexpat in Expat before 2.2.7, XML input including XML names that contain a large number of colons could make the XML parser consume a high amount of RAM and CPU resources while processing (enough to be usable for denial-of-service...
7.5CVSS
7.5AI Score
0.609EPSS
Nessus versions 8.2.1 and earlier were found to contain a stored XSS vulnerability due to improper validation of user-supplied input. An authenticated, remote attacker could potentially exploit this vulnerability via a specially crafted request to execute arbitrary script code in a user's browser.....
5.4CVSS
6.7AI Score
0.001EPSS
In Nessus before 7.1.0, a XSS vulnerability exists due to improper input validation. A remote authenticated attacker could create and upload a .nessus file, which may be viewed by an administrator allowing for the execution of arbitrary script code in a user's browser session. In other scenarios,.....
5.4CVSS
5.3AI Score
0.001EPSS
In Nessus before 7.1.0, Session Fixation exists due to insufficient session management within the application. An authenticated attacker could maintain system access due to session fixation after a user password...
6.5CVSS
6.6AI Score
0.001EPSS
When installing Nessus to a directory outside of the default location, Nessus versions prior to 7.0.3 did not enforce secure permissions for sub-directories. This could allow for local privilege escalation if users had not secured the directories in the installation...
7CVSS
6.8AI Score
0.0004EPSS