VDB-357383 · CVE-2026-2404 · SEVD-2026-104-01

Schneider Electric PowerChute Serial Shutdown /j_security escape output

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.
5.1	$0-$5k	1.12

Summaryinfo

A vulnerability was found in Schneider Electric PowerChute Serial Shutdown. It has been classified as problematic. This issue affects some unknown processing of the file /j_security. The manipulation leads to escape output. This vulnerability is listed as CVE-2026-2404. The attack may be initiated remotely. There is no available exploit. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Schneider Electric PowerChute Serial Shutdown (unknown version). This issue affects an unknown code block of the file /j_security. The manipulation with an unknown input leads to a escape output vulnerability. Using CWE to declare the problem leads to CWE-116. The product prepares a structured message for communication with another component, but encoding or escaping of the data is either missing or done incorrectly. As a result, the intended structure of the message is not preserved. Impacted is integrity. The summary by CVE is:

CWE-116 Improper Encoding or Escaping of Output vulnerability exists that could cause log injection and forged log when an attacker alters the POST /j_security check request payload.

It is possible to read the advisory at download.schneider-electric.com. The identification of this vulnerability is CVE-2026-2404 since 02/12/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

Applying a patch is able to eliminate this problem.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

SCADA Software

Vendor

Schneider Electric

Name

PowerChute Serial Shutdown

License

commercial

Website

Vendor: https://www.schneider-electric.com/

CPE 2.3info

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CPE 2.2info

🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Escape output
CWE: CWE-116 / CWE-74 / CWE-707
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Timelineinfo

02/12/2026 CVE reserved
04/14/2026 +60 days Advisory disclosed
04/14/2026 +0 days VulDB entry created
04/14/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: schneider-electric.com

Advisory: SEVD-2026-104-01
Status: Confirmed

CVE: CVE-2026-2404 (🔒)
GCVE (CVE): GCVE-0-2026-2404
GCVE (VulDB): GCVE-100-357383

Entryinfo

Created: 04/14/2026 18:58
Changes: 04/14/2026 18:58 (66)
Complete: 🔍
Cache ID: 216::103