VDB-175928 · CVE-2021-22699 · SEVD-2021-130

Schneider Electric Modicon M241/Modicon M251 up to 5.1.9.0 HTTP 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.
3.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Schneider Electric Modicon M241 and Modicon M251 up to 5.1.9.0 and classified as problematic. Impacted is an unknown function of the component HTTP Handler. Such manipulation leads to denial of service. This vulnerability is listed as CVE-2021-22699. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Schneider Electric Modicon M241 and Modicon M251 up to 5.1.9.0 (SCADA Software) and classified as problematic. Affected by this issue is an unknown code of the component HTTP Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.

The weakness was presented 05/27/2021 as SEVD-2021-130. The advisory is shared for download at download.schneider-electric.com. This vulnerability is handled as CVE-2021-22699. There are neither technical details nor an exploit publicly available.

Upgrading to version 5.1.9.1 eliminates this vulnerability.

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Productinfo

Type

SCADA Software

Vendor

Schneider Electric

Name

Version

License

commercial

Website

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

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

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

CVSSv2info

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

Exploitinginfo

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

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Modicon M241/Modicon M251 5.1.9.1

Timelineinfo

01/06/2021 🔍
05/27/2021 +140 days 🔍
05/27/2021 +0 days 🔍
05/30/2021 +3 days 🔍

Sourcesinfo

Vendor: schneider-electric.com

Advisory: SEVD-2021-130
Status: Confirmed

CVE: CVE-2021-22699 (🔍)
GCVE (CVE): GCVE-0-2021-22699
GCVE (VulDB): GCVE-100-175928

Entryinfo

Created: 05/27/2021 10:29
Updated: 05/30/2021 08:44
Changes: 05/27/2021 10:29 (40), 05/30/2021 08:44 (5)
Complete: 🔍
Cache ID: 216::103