Siemens SIMATIC Drive Controller Service Port 102 operation after expiration

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Siemens SIMATIC Drive Controller, SIMATIC ET 200SP Open Controller CPU 1515SP PC2, SIMATIC S7-1200 CPU, SIMATIC S7-1500 CPU, SIMATIC S7-1500 Software Controller and SIMATIC S7-PLCSIM Advanced. It has been classified as problematic. The impacted element is an unknown function of the component Service Port 102. The manipulation leads to operation after expiration. This vulnerability is uniquely identified as CVE-2021-37204. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Siemens SIMATIC Drive Controller, SIMATIC ET 200SP Open Controller CPU 1515SP PC2, SIMATIC S7-1200 CPU, SIMATIC S7-1500 CPU, SIMATIC S7-1500 Software Controller and SIMATIC S7-PLCSIM Advanced (SCADA Software). It has been rated as critical. This issue affects an unknown code block of the component Service Port 102. The manipulation with an unknown input leads to a operation after expiration vulnerability. Using CWE to declare the problem leads to CWE-672. The product uses, accesses, or otherwise operates on a resource after that resource has been expired, released, or revoked. Impacted is availability.

The weakness was disclosed 02/09/2022 as ssa-838121. The advisory is shared at cert-portal.siemens.com. The identification of this vulnerability is CVE-2021-37204 since 07/21/2021. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Vendor

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
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: Operation after expiration
CWE: CWE-672
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

07/21/2021 🔍
02/09/2022 +203 days 🔍
02/09/2022 +0 days 🔍
02/12/2022 +3 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-838121
Status: Confirmed

CVE: CVE-2021-37204 (🔍)
GCVE (CVE): GCVE-0-2021-37204
GCVE (VulDB): GCVE-100-192617

Entryinfo

Created: 02/09/2022 21:50
Updated: 02/12/2022 20:25
Changes: 02/09/2022 21:50 (39), 02/12/2022 20:25 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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