Siemens SIMATIC Drive Controller Service Port 102 operation after expiration

CVSS Meta Temp Score
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CTI Interest Score
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4.1$0-$5k0.00

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 declared as problematic. This vulnerability affects an unknown code of the component Service Port 102. The manipulation with an unknown input leads to a operation after expiration vulnerability. The CWE definition for the vulnerability is CWE-672. The product uses, accesses, or otherwise operates on a resource after that resource has been expired, released, or revoked. As an impact it is known to affect availability.

The weakness was released 02/09/2022 as ssa-838121. The advisory is shared for download at cert-portal.siemens.com. This vulnerability was named CVE-2021-37185 since 07/21/2021. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Operation after expiration
CWE: CWE-672
ATT&CK: Unknown

Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
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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-2021-37185 (🔍)

Entryinfo

Created: 02/09/2022 21:49
Updated: 02/12/2022 20:18
Changes: 02/09/2022 21:49 (39), 02/12/2022 20:18 (1)
Complete: 🔍

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