Siemens SIMATIC S7-1200 CPU 4.5.0 TIA Portal improper authentication

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.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.3$5k-$25k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Siemens SIMATIC S7-1200 CPU 4.5.0. This issue affects some unknown processing of the component TIA Portal. Executing a manipulation can lead to improper authentication. This vulnerability appears as CVE-2021-37172. There is no available exploit.

Detailsinfo

A vulnerability was found in Siemens SIMATIC S7-1200 CPU 4.5.0 (SCADA Software). It has been declared as critical. This vulnerability affects some unknown functionality of the component TIA Portal. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 08/10/2021 as ssa-830194. The advisory is shared for download at cert-portal.siemens.com. This vulnerability was named CVE-2021-37172. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 08/10/2021).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
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: Improper authentication
CWE: CWE-287
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/21/2021 🔍
08/10/2021 +20 days 🔍
08/10/2021 +0 days 🔍
08/15/2021 +5 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-830194
Status: Confirmed

CVE: CVE-2021-37172 (🔍)
GCVE (CVE): GCVE-0-2021-37172
GCVE (VulDB): GCVE-100-180448

Entryinfo

Created: 08/10/2021 14:38
Updated: 08/15/2021 07:42
Changes: 08/10/2021 14:38 (38), 08/15/2021 07:42 (2)
Complete: 🔍
Cache ID: 216::103

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