VDB-190008 · CVE-2021-37196 · ssa-995338

Siemens COMOS up to 10.4.0 Web path traversal

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.
4.4	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic was found in Siemens COMOS up to 10.4.0. Impacted is an unknown function of the component Web. The manipulation results in path traversal. This vulnerability was named CVE-2021-37196. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic has been found in Siemens COMOS up to 10.4.0. Affected is an unknown function of the component Web. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-23. The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize sequences such as ".." that can resolve to a location that is outside of that directory. This is going to have an impact on integrity, and availability.

The weakness was presented 01/11/2022 as ssa-995338. The advisory is shared for download at cert-portal.siemens.com. This vulnerability is traded as CVE-2021-37196 since 07/21/2021. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1006.

Upgrading to version 10.4.1 eliminates this vulnerability.

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Productinfo

Vendor

Siemens

Name

COMOS

Version

License

commercial

Website

Vendor: https://www.siemens.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.6
VulDB Meta Temp Score: 4.4

VulDB Base Score: 4.6
VulDB Temp Score: 4.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-23 / CWE-22
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: COMOS 10.4.1

Timelineinfo

07/21/2021 🔍
01/11/2022 +174 days 🔍
01/11/2022 +0 days 🔍
01/13/2022 +2 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-995338
Status: Confirmed

CVE: CVE-2021-37196 (🔍)
GCVE (CVE): GCVE-0-2021-37196
GCVE (VulDB): GCVE-100-190008

Entryinfo

Created: 01/11/2022 14:33
Updated: 01/13/2022 14:09
Changes: 01/11/2022 14:33 (40), 01/13/2022 14:09 (1)
Complete: 🔍
Cache ID: 216::103