Splunk Security Vulnerabilities
In Splunk Enterprise versions below 9.2.1, 9.1.4, and 9.0.9, the Dashboard Examples Hub lacks protections for risky SPL commands. This could let attackers bypass SPL safeguards for risky commands in the Hub. The vulnerability would require the attacker to phish the victim by tricking them into...
8.1CVSS
6.9AI Score
0.001EPSS
In Splunk Enterprise versions below 9.2.1, 9.1.4, and 9.0.9, the software potentially exposes authentication tokens during the token validation process. This exposure happens when either Splunk Enterprise runs in debug mode or the JsonWebToken component has been configured to log its activity at...
7.2CVSS
7.5AI Score
0.001EPSS
In Splunk Add-on Builder versions below 4.1.4, the application writes user session tokens to its internal log files when you visit the Splunk Add-on Builder or when you build or edit a custom app or...
7.2CVSS
7.3AI Score
0.001EPSS
In Splunk Add-on Builder versions below 4.1.4, the app writes sensitive information to internal log...
4.9CVSS
6.9AI Score
0.0005EPSS
In Splunk Enterprise versions below 9.0.8 and 9.1.3, Splunk app key value store (KV Store) improperly handles permissions for users that use the REST application programming interface (API). This can potentially result in the deletion of KV Store...
6.5CVSS
7.3AI Score
0.0005EPSS
In Splunk versions below 9.0.8 and 9.1.3, the “mrollup” SPL command lets a low-privileged user view metrics on an index that they do not have permission to view. This vulnerability requires user interaction from a high-privileged user to...
3.5CVSS
7.3AI Score
0.0004EPSS
In Splunk Enterprise for Windows versions below 9.0.8 and 9.1.3, Splunk Enterprise does not correctly sanitize path input data. This results in the unsafe deserialization of untrusted data from a separate disk partition on the machine. This vulnerability only affects Splunk Enterprise for...
8.8CVSS
7.4AI Score
0.0005EPSS
In Splunk Enterprise versions below 9.0.8, the Splunk RapidDiag utility discloses server responses from external applications in a log...
5.3CVSS
7.3AI Score
0.0005EPSS
In Splunk Enterprise Security (ES) versions below 7.1.2, an attacker can use investigation attachments to perform a denial of service (DoS) to the Investigation. The attachment endpoint does not properly limit the size of the request which lets an attacker cause the Investigation to become...
4.3CVSS
7.3AI Score
0.0004EPSS
In Splunk Enterprise Security (ES) versions lower than 7.1.2, an attacker can create a malformed Investigation to perform a denial of service (DoS). The malformed investigation prevents the generation and rendering of the Investigations manager until it is deleted.The vulnerability requires an...
6.5CVSS
7.2AI Score
0.0004EPSS
In Splunk Enterprise versions below 9.0.7 and 9.1.2, ineffective escaping in the “Show syntax Highlighted” feature can result in the execution of unauthorized code in a user’s web...
4.8CVSS
7.6AI Score
0.0005EPSS
In Splunk Enterprise versions below 9.0.7 and 9.1.2, Splunk Enterprise does not safely sanitize extensible stylesheet language transformations (XSLT) that users supply. This means that an attacker can upload malicious XSLT which can result in remote code execution on the Splunk Enterprise...
8.8CVSS
8.4AI Score
0.429EPSS
In Splunk IT Service Intelligence (ITSI) versions below below 4.13.3, 4.15.3, or 4.17.1, a malicious actor can inject American National Standards Institute (ANSI) escape codes into Splunk ITSI log files that, when a vulnerable terminal application reads them, can run malicious code in the...
8.6CVSS
8.3AI Score
0.001EPSS
In Splunk Enterprise versions below 8.2.12, 9.0.6, and 9.1.1, an attacker can create an external lookup that calls a legacy internal function. The attacker can use this internal function to insert code into the Splunk platform installation directory. From there, a user can execute arbitrary code...
8.8CVSS
8.8AI Score
0.001EPSS
In Splunk Enterprise versions earlier than 8.2.12, 9.0.6, and 9.1.1, a dynamic link library (DLL) that ships with Splunk Enterprise references an insecure path for the OPENSSLDIR build definition. An attacker can abuse this reference and subsequently install malicious code to achieve privilege...
8.8CVSS
8.8AI Score
0.0004EPSS
In Splunk Enterprise versions lower than 8.2.12, 9.0.6, and 9.1.1, an attacker can exploit an absolute path traversal to execute arbitrary code that is located on a separate...
8.8CVSS
8.8AI Score
0.0004EPSS
In Splunk Enterprise versions lower than 8.2.12, 9.0.6, and 9.1.1, an attacker can execute a specially crafted query that they can then use to serialize untrusted data. The attacker can use the query to execute arbitrary...
8.8CVSS
9.5AI Score
0.001EPSS
In Splunk Enterprise versions lower than 8.2.12, 9.0.6, and 9.1.1, an attacker can use the printf SPL function to perform a denial of service (DoS) against the Splunk Enterprise...
7.5CVSS
7.3AI Score
0.0005EPSS
In Splunk Enterprise versions lower than 9.0.6 and 8.2.12, a malicious actor can send a malformed security assertion markup language (SAML) request to the /saml/acs REST endpoint which can cause a denial of service through a crash or hang of the Splunk...
7.5CVSS
7.4AI Score
0.0005EPSS
In Splunk Enterprise versions below 9.1.1, 9.0.6, and 8.2.12, an attacker can craft a special web request that can result in reflected cross-site scripting (XSS) on the “/app/search/table” web endpoint. Exploitation of this vulnerability can lead to the execution of arbitrary commands on the...
6.1CVSS
6.2AI Score
0.001EPSS
Splunk SOAR versions lower than 6.1.0 are indirectly affected by a potential vulnerability accessed through the user’s terminal. A third party can send Splunk SOAR a maliciously crafted web request containing special ANSI characters to cause log file poisoning. When a terminal user attempts to...
7.8CVSS
7.7AI Score
0.001EPSS
In the Splunk App for Lookup File Editing versions below 4.0.1, a low-privileged user can, with a specially crafted web request, trigger a path traversal exploit that can then be used to read and write to restricted areas of the Splunk installation...
8.1CVSS
7.9AI Score
0.001EPSS
In Splunk Enterprise versions below 9.0.5, 8.2.11, and 8.1.14, and Splunk Cloud Platform versions below 9.0.2303.100, an attacker can exploit a vulnerability in the {{dump}} SPL command to cause a denial of service by crashing the Splunk...
6.5CVSS
6.3AI Score
0.0004EPSS
On Splunk Enterprise versions below 9.0.5, 8.2.11, and 8.1.14, and in Splunk Cloud Platform versions below 9.0.2303.100, an unauthorized user can access the {{/services/indexing/preview}} REST endpoint to overwrite search results if they know the search ID (SID) of an existing search...
4.3CVSS
4.6AI Score
0.001EPSS
In Splunk Enterprise versions below 9.1.0.2, 9.0.5.1, and 8.2.11.2, an attacker can inject American National Standards Institute (ANSI) escape codes into Splunk log files that, when a vulnerable terminal application reads them, can potentially, at worst, result in possible code execution in the...
3.1CVSS
4.5AI Score
0.001EPSS
In Splunk Enterprise versions below 9.0.5, 8.2.11, and 8.1.14, and Splunk Cloud Platform versions below 9.0.2303.100, a low-privileged user can trigger an HTTP response splitting vulnerability with the ‘rest’ SPL command that lets them potentially access other REST endpoints in the system...
8.8CVSS
8.6AI Score
0.001EPSS
In Splunk App for Stream versions below 8.1.1, a low-privileged user could use a vulnerability in the streamfwd process within the Splunk App for Stream to escalate their privileges on the machine that runs the Splunk Enterprise instance, up to and including the root...
9.9CVSS
9.4AI Score
0.001EPSS
In the Splunk App for Lookup File Editing versions below 4.0.1, a user can insert potentially malicious JavaScript code into the app, which causes that code to run on the user’s machine. The app itself does not contain the potentially malicious JavaScript code. The vulnerability requires the...
6.1CVSS
6.2AI Score
0.0005EPSS
In versions of Splunk Enterprise below 9.0.5, 8.2.11, and 8.1.14, and Splunk Cloud Platform below version 9.0.2303.100, a low-privileged user who holds a role that has the ‘edit_user’ capability assigned to it can escalate their privileges to that of the admin user by providing specially crafted...
8.8CVSS
8.7AI Score
0.843EPSS
On Splunk Enterprise versions below 9.0.5, 8.2.11, and 8.1.14, an unauthenticated attacker can send specially-crafted messages to the XML parser within SAML authentication to cause a denial of service in the Splunk...
6.5CVSS
6.5AI Score
0.0005EPSS
In Splunk Enterprise versions below 9.0.5, 8.2.11. and 8.1.14, and Splunk Cloud Platform versions below 9.0.2303.100, a low-privileged user who holds the ‘user’ role can see the hashed version of the initial user name and password for the Splunk instance by using the ‘rest’ SPL command against the....
4.3CVSS
4.9AI Score
0.001EPSS
In Splunk Enterprise versions below 9.0.5, 8.2.11, and 8.1.14, and in Splunk Cloud Platform versions below 9.0.2303.100, a low-privileged user can perform an unauthorized transfer of data from a search using the ‘copyresults’ command if they know the search ID (SID) of a search job that has...
5.3CVSS
5.3AI Score
0.0005EPSS
In Splunk Enterprise versions below 9.0.5, 8.2.11, and 8.1.14, a Splunk dashboard view lets a low-privileged user exploit a vulnerability in the Bootstrap web framework (CVE-2019-8331) and build a stored cross-site scripting (XSS)...
5.4CVSS
5.6AI Score
0.001EPSS
In Splunk Enterprise versions below 8.1.13, 8.2.10, and 9.0.4, the ‘sendemail’ REST API endpoint lets any authenticated user send an email as the Splunk instance. The endpoint is now restricted to the ‘splunk-system-user’ account on the local...
4.3CVSS
4.5AI Score
0.001EPSS
In Splunk Enterprise versions below 8.1.13, 8.2.10, and 9.0.4, a cross-site request forgery in the Splunk Secure Gateway (SSG) app in the ‘kvstore_client’ REST endpoint lets a potential attacker update SSG KV store collections using an HTTP GET...
4.3CVSS
4.6AI Score
0.0005EPSS
In Splunk Enterprise versions below 8.1.13, 8.2.10, and 9.0.4, the ‘map’ search processing language (SPL) command lets a search bypass SPL safeguards for risky commands. The vulnerability requires a higher privileged user to initiate a request within their browser and only affects instances with...
8.8CVSS
8.5AI Score
0.002EPSS
In Splunk Enterprise versions below 8.1.13, 8.2.10, and 9.0.4, aliases of the ‘collect’ search processing language (SPL) command, including ‘summaryindex’, ‘sumindex’, ‘stash’,’ mcollect’, and ‘meventcollect’, were not designated as safeguarded commands. The commands could potentially allow for...
5.7CVSS
5.8AI Score
0.001EPSS
In Splunk Enterprise versions below 8.1.13, 8.2.10, and 9.0.4, an improperly-formatted ‘INGEST_EVAL’ parameter in a Field Transformation crashes the Splunk daemon...
7.5CVSS
7.5AI Score
0.001EPSS
In Splunk Enterprise versions below 8.1.13, 8.2.10, and 9.0.4, the ‘search_listener’ parameter in a search allows for a blind server-side request forgery (SSRF) by an authenticated user. The initiator of the request cannot see the response without the presence of an additional vulnerability within....
6.3CVSS
6.3AI Score
0.001EPSS
In Splunk Enterprise versions below 8.1.13, 8.2.10, and 9.0.4, the lookup table upload feature let a user upload lookup tables with unnecessary filename extensions. Lookup table file extensions may now be one of the following only: .csv, .csv.gz, .kmz, .kml, .mmdb, or...
4.3CVSS
4.7AI Score
0.001EPSS
In Splunk Add-on Builder (AoB) versions below 4.1.2 and the Splunk CloudConnect SDK versions below 3.1.3, requests to third-party APIs through the REST API Modular Input incorrectly revert to using HTTP to connect after a failure to connect over HTTPS...
5.3CVSS
5.2AI Score
0.001EPSS
In Splunk Enterprise versions below 8.1.13 and 8.2.10, the ‘createrss’ external search command overwrites existing Resource Description Format Site Summary (RSS) feeds without verifying permissions. This feature has been deprecated and disabled by...
4.3CVSS
4.8AI Score
0.001EPSS
In Splunk Enterprise 9.0 versions before 9.0.4, a View allows for Cross-Site Scripting (XSS) through the error message in a Base64-encoded image. The vulnerability affects instances with Splunk Web enabled. It does not affect Splunk Enterprise versions below...
6.1CVSS
5.9AI Score
0.001EPSS
In Splunk Enterprise versions below 8.1.13, 8.2.10, and 9.0.4, a View allows for Cross-Site Scripting (XSS) in an extensible mark-up language (XML) View through the ‘layoutPanel’ attribute in the ‘module’...
6.1CVSS
5.9AI Score
0.001EPSS
In Splunk Enterprise versions below 8.1.13, 8.2.10, and 9.0.4, the ‘pivot’ search processing language (SPL) command lets a search bypass SPL safeguards for risky commands using a saved search job. The vulnerability requires an authenticated user to craft the saved job and a higher privileged user.....
8CVSS
7.8AI Score
0.001EPSS
In Splunk Enterprise versions below 8.1.13, 8.2.10, and 9.0.4, the ‘display.page.search.patterns.sensitivity’ search parameter lets a search bypass SPL safeguards for risky commands. The vulnerability requires a higher privileged user to initiate a request within their browser and only affects...
8.8CVSS
8.5AI Score
0.002EPSS
In Splunk Enterprise versions below 8.2.9 and 8.1.12, the way that the ‘tstats command handles Javascript Object Notation (JSON) lets an attacker bypass SPL safeguards for risky commands https://docs.splunk.com/Documentation/SplunkCloud/latest/Security/SPLsafeguards . The vulnerability requires...
8.8CVSS
8.8AI Score
0.002EPSS
In Splunk Enterprise versions below 8.1.12, 8.2.9, and 9.0.2, an authenticated user can inject and store arbitrary scripts that can lead to persistent cross-site scripting (XSS) in the object name of a Data...
5.4CVSS
5.1AI Score
0.001EPSS
In Splunk Enterprise versions below 8.1.12, 8.2.9, and 9.0.2, an authenticated user can perform an extensible markup language (XML) external entity (XXE) injection via a custom View. The XXE injection causes Splunk Web to embed incorrect documents into an...
6.5CVSS
6.5AI Score
0.001EPSS
In Splunk Enterprise versions below 8.1.12, 8.2.9, and 9.0.2, Splunk Enterprise fails to properly validate and escape the Host header, which could let a remote authenticated user conduct various attacks against the system, including cross-site scripting and cache...
5.4CVSS
5.1AI Score
0.001EPSS