Siemens SIMATIC PCS 7/SIMATIC WinCC Pathname path traversal

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Siemens SIMATIC PCS 7 and SIMATIC WinCC. It has been declared as critical. This impacts an unknown function of the component Pathname Handler. The manipulation results in path traversal. This vulnerability is known as CVE-2021-40358. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Siemens SIMATIC PCS 7 and SIMATIC WinCC (SCADA Software) (version now known). It has been classified as critical. Affected is some unknown processing of the component Pathname Handler. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was published 11/09/2021 as ssa-840188. The advisory is shared for download at cert-portal.siemens.com. This vulnerability is traded as CVE-2021-40358 since 09/01/2021. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1006.

Upgrading eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
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: Path traversal
CWE: 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: 🔍

Timelineinfo

09/01/2021 🔍
11/09/2021 +69 days 🔍
11/09/2021 +0 days 🔍
11/11/2021 +2 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-840188
Status: Confirmed

CVE: CVE-2021-40358 (🔍)
GCVE (CVE): GCVE-0-2021-40358
GCVE (VulDB): GCVE-100-186360

Entryinfo

Created: 11/09/2021 15:00
Updated: 11/11/2021 18:33
Changes: 11/09/2021 15:00 (39), 11/11/2021 18:33 (1)
Complete: 🔍
Cache ID: 216::103

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