VDB-364914 · CVE-2026-20240 · SVD-2026-0504

Splunk Enterprise/Cloud Platform splunk_archiver App coldToFrozen.sh denial of service

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Splunk Enterprise and Cloud Platform and classified as problematic. Affected by this vulnerability is an unknown functionality of the file coldToFrozen.sh of the component splunk_archiver App. The manipulation results in denial of service. This vulnerability is cataloged as CVE-2026-20240. The attack may be launched remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Splunk Enterprise and Cloud Platform (the affected version is unknown). Affected is an unknown code of the file coldToFrozen.sh of the component splunk_archiver App. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

In Splunk Enterprise versions below 10.2.2, 10.0.5, 9.4.11, and 9.3.12, and Splunk Cloud Platform versions below 10.4.2603.1, 10.3.2512.9, 10.2.2510.11, 10.1.2507.21, 10.0.2503.13, and 9.3.2411.129, a low-privileged user that does not hold the ‘admin’ or ‘power’ Splunk roles could cause a Denial of Service by exploiting the `coldToFrozen.sh` script in the `splunk_archiver` app to rename critical Splunk directories, making the instance non-functional.<br><br>The Denial of Service is possible because of missing input validation in the `coldToFrozen.sh` script, which accepts arbitrary file paths and renames them without restricting operations to safe directories.

The advisory is available at advisory.splunk.com. This vulnerability is traded as CVE-2026-20240 since 10/08/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 315751 (Splunk Enterprise 9.3.0 < 9.3.12, 9.4.0 < 9.4.11, 10.0.0 < 10.0.5, 10.2.0 < 10.2.2 (SVD-2026-0504)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (315751) and CERT Bund (WID-SEC-2026-1618). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

Red Hat Enterprise Linux
Ubuntu Linux
SUSE Linux
SUSE openSUSE
Splunk Splunk Enterprise

Productinfo

Type

Log Management Software

Vendor

Splunk

Name

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.5
CNA Vector (cisco): 🔒

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 315751
Nessus Name: Splunk Enterprise 9.3.0 < 9.3.12, 9.4.0 < 9.4.11, 10.0.0 < 10.0.5, 10.2.0 < 10.2.2 (SVD-2026-0504)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/08/2025 CVE reserved
05/20/2026 +224 days Advisory disclosed
05/20/2026 +0 days VulDB entry created
07/04/2026 +45 days VulDB entry last update

Sourcesinfo

Advisory: SVD-2026-0504
Status: Confirmed

CVE: CVE-2026-20240 (🔒)
GCVE (CVE): GCVE-0-2026-20240
GCVE (VulDB): GCVE-100-364914
CERT Bund: WID-SEC-2026-1618 - Splunk Splunk Enterprise: Mehrere Schwachstellen

Entryinfo

Created: 05/20/2026 19:54
Updated: 07/04/2026 13:07
Changes: 05/20/2026 19:54 (65), 05/21/2026 12:11 (7), 05/21/2026 20:44 (2), 05/23/2026 23:33 (1), 07/04/2026 13:07 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.