Siemens SIMATIC PCS 7/SIMATIC WinCC Project File file information disclosure

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.
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CTI Interest Score
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3.0$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Siemens SIMATIC PCS 7 and SIMATIC WinCC. Affected is an unknown function of the component Project File Handler. Such manipulation leads to file information disclosure. This vulnerability is referenced as CVE-2021-40363. It is possible to launch the attack remotely. No exploit is available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Siemens SIMATIC PCS 7 and SIMATIC WinCC (SCADA Software) (affected version unknown). Affected by this issue is an unknown functionality of the component Project File Handler. The manipulation with an unknown input leads to a file information disclosure vulnerability. Using CWE to declare the problem leads to CWE-538. The product places sensitive information into files or directories that are accessible to actors who are allowed to have access to the files, but not to the sensitive information. Impacted is confidentiality.

The weakness was published 02/09/2022 as ssa-914168. The advisory is shared for download at cert-portal.siemens.com. This vulnerability is handled as CVE-2021-40363 since 09/01/2021. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1083.

Applying a patch is able to eliminate this problem.

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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: 3.1
VulDB Meta Temp Score: 3.0

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
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: File information disclosure
CWE: CWE-538 / CWE-200 / CWE-284
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: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/01/2021 🔍
02/09/2022 +161 days 🔍
02/09/2022 +0 days 🔍
02/12/2022 +3 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-914168
Status: Confirmed

CVE: CVE-2021-40363 (🔍)
GCVE (CVE): GCVE-0-2021-40363
GCVE (VulDB): GCVE-100-192620

Entryinfo

Created: 02/09/2022 21:53
Updated: 02/12/2022 20:48
Changes: 02/09/2022 21:53 (39), 02/12/2022 20:48 (1)
Complete: 🔍
Cache ID: 216::103

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