Schneider Electric PowerChute Serial Shutdown /REST/shutdownnow excessive authentication

CVSS Meta Temp Score
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CTI Interest Score
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3.0$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Schneider Electric PowerChute Serial Shutdown. This vulnerability affects unknown code of the file /REST/shutdownnow. Such manipulation leads to excessive authentication. This vulnerability is uniquely identified as CVE-2025-11566. The attack can only be initiated within the local network. No exploit exists. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Schneider Electric PowerChute Serial Shutdown (version unknown). Affected by this issue is an unknown function of the file /REST/shutdownnow. The manipulation with an unknown input leads to a excessive authentication vulnerability. Using CWE to declare the problem leads to CWE-307. The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame, making it more susceptible to brute force attacks. Impacted is confidentiality. CVE summarizes:

CWE-307: Improper Restriction of Excessive Authentication Attempts vulnerability exists that would allow an attacker on the local network to gain access to the user account by performing an arbitrary number of authentication attempts with different credentials on the /REST/shutdownnow endpoint.

The advisory is shared for download at download.schneider-electric.com. This vulnerability is handled as CVE-2025-11566 since 10/09/2025. The exploitation is known to be difficult. The attack needs to approached within the local network. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1110.001.

Applying a patch is able to eliminate this problem.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

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

CVSSv3info

VulDB Meta Base Score: 3.1
VulDB Meta Temp Score: 3.0

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Excessive authentication
CWE: CWE-307 / CWE-799 / CWE-400
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/09/2025 CVE reserved
11/12/2025 +34 days Advisory disclosed
11/12/2025 +0 days VulDB entry created
11/12/2025 +0 days VulDB entry last update

Sourcesinfo

Vendor: schneider-electric.com

Advisory: SEVD-2025-315-01
Status: Confirmed

CVE: CVE-2025-11566 (🔒)
GCVE (CVE): GCVE-0-2025-11566
GCVE (VulDB): GCVE-100-332192

Entryinfo

Created: 11/12/2025 16:36
Changes: 11/12/2025 16:36 (67)
Complete: 🔍
Cache ID: 216::103

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