Siemens SIMATIC eaSie PCS 7 Skill Package up to 21.00 SP2 File Download pathname path traversal

CVSS Meta Temp Score
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CTI Interest Score
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3.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Siemens SIMATIC eaSie PCS 7 Skill Package up to 21.00 SP2. It has been classified as critical. The affected element is an unknown function of the component File Download Handler. This manipulation of the argument pathname causes path traversal. This vulnerability is registered as CVE-2021-42022. No exploit is available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability has been found in Siemens SIMATIC eaSie PCS 7 Skill Package up to 21.00 SP2 (SCADA Software) and classified as problematic. Affected by this vulnerability is an unknown code block of the component File Download Handler. The manipulation of the argument pathname with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality.

The weakness was published 12/14/2021 as ssa-199605. It is possible to read the advisory at cert-portal.siemens.com. This vulnerability is known as CVE-2021-42022 since 10/06/2021. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

Applying the patch 21.00 SP3 is able to eliminate this problem.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Version

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Website

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

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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 21.00 SP3

Timelineinfo

10/06/2021 🔍
12/14/2021 +69 days 🔍
12/14/2021 +0 days 🔍
12/16/2021 +2 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-199605
Status: Confirmed

CVE: CVE-2021-42022 (🔍)
GCVE (CVE): GCVE-0-2021-42022
GCVE (VulDB): GCVE-100-188095

Entryinfo

Created: 12/14/2021 17:03
Updated: 12/16/2021 14:03
Changes: 12/14/2021 17:03 (42), 12/16/2021 14:03 (1)
Complete: 🔍
Cache ID: 216::103

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