Schneider Electric Modicon Controllers M241/Modicon Controllers M251 prior 5.3.12.51 Webserver cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Schneider Electric Modicon Controllers M241 and Modicon Controllers M251. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component Webserver. Such manipulation leads to cross site scripting. This vulnerability is listed as CVE-2025-3899. The attack may be performed from remote. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Schneider Electric Modicon Controllers M241 and Modicon Controllers M251 and classified as problematic. Affected by this issue is some unknown processing of the component Webserver. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. CVE summarizes:

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability exists in Certificates page on Webserver that could cause an unvalidated data injected by authenticated malicious user leading to modify or read data in a victim’s browser.

The advisory is shared for download at download.schneider-electric.com. This vulnerability is handled as CVE-2025-3899 since 04/23/2025. The exploitation is known to be easy. The attack may be launched remotely. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

Upgrading to version 5.3.12.51 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

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: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.4
CNA Vector (schneider): 🔍

CVSSv2info

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

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Modicon Controllers M241/Modicon Controllers M251 5.3.12.51

Timelineinfo

04/23/2025 🔍
06/10/2025 +48 days 🔍
06/10/2025 +0 days 🔍
06/10/2025 +0 days 🔍

Sourcesinfo

Vendor: schneider-electric.com

Advisory: SEVD-2025-161-02
Status: Confirmed

CVE: CVE-2025-3899 (🔍)
GCVE (CVE): GCVE-0-2025-3899
GCVE (VulDB): GCVE-100-311828

Entryinfo

Created: 06/10/2025 12:01
Changes: 06/10/2025 12:01 (77)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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