Schneider Electric Modicon Controllers M241/Modicon Controllers M251 prior 5.3.12.51 Header Content-Length resource consumption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Schneider Electric Modicon Controllers M241 and Modicon Controllers M251. This issue affects some unknown processing of the component Header Handler. This manipulation of the argument Content-Length causes resource consumption. This vulnerability is handled as CVE-2025-3112. The attack can be initiated remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Schneider Electric Modicon Controllers M241 and Modicon Controllers M251. It has been declared as critical. Affected by this vulnerability is some unknown processing of the component Header Handler. The manipulation of the argument Content-Length with an unknown input leads to a resource consumption vulnerability. The CWE definition for the vulnerability is CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. As an impact it is known to affect availability. The summary by CVE is:

CWE-400: Uncontrolled Resource Consumption vulnerability exists that could cause Denial of Service when an authenticated malicious user sends manipulated HTTPS Content-Length header to the webserver.

The advisory is shared at download.schneider-electric.com. This vulnerability is known as CVE-2025-3112 since 04/02/2025. The exploitation appears to be easy. The attack can be launched remotely. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

Upgrading to version 5.3.12.51 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-17631). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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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: 6.5
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.5
CNA Vector (schneider): 🔍

CVSSv2info

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

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
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

04/02/2025 🔍
06/10/2025 +69 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-2025-3112 (🔍)
GCVE (CVE): GCVE-0-2025-3112
GCVE (VulDB): GCVE-100-311821
EUVD: 🔍

Entryinfo

Created: 06/10/2025 12:00
Updated: 06/10/2025 14:32
Changes: 06/10/2025 12:00 (78), 06/10/2025 14:32 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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