VDB-241687 · CVE-2023-37194 · ssa-784849

Siemens SIMATIC CP 1628 DMA access control

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 (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	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.
6.7	$5k-$25k	0.00

Summaryinfo

A vulnerability was found in Siemens SIMATIC CP 1604, SIMATIC CP 1616, SIMATIC CP 1623, SIMATIC CP 1626 and SIMATIC CP 1628. It has been classified as critical. The affected element is an unknown function of the component DMA. This manipulation causes access control. This vulnerability is tracked as CVE-2023-37194. The attack is restricted to local execution. No exploit exists.

Detailsinfo

A vulnerability classified as critical was found in Siemens SIMATIC CP 1604, SIMATIC CP 1616, SIMATIC CP 1623, SIMATIC CP 1626 and SIMATIC CP 1628 (SCADA Software). Affected by this vulnerability is an unknown code block of the component DMA. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability has been identified in SIMATIC CP 1604 (All versions), SIMATIC CP 1616 (All versions), SIMATIC CP 1623 (All versions), SIMATIC CP 1626 (All versions), SIMATIC CP 1628 (All versions). The kernel memory of affected devices is exposed to user-mode via direct memory access (DMA) which could allow a local attacker with administrative privileges to execute arbitrary code on the host system without any restrictions.

The weakness was disclosed 10/10/2023 as ssa-784849. It is possible to read the advisory at cert-portal.siemens.com. This vulnerability is known as CVE-2023-37194 since 06/28/2023. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 10/10/2023). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

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

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

Productinfo

Type

SCADA Software

Vendor

Siemens

Name

License

commercial

Website

Vendor: https://www.siemens.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.7

VulDB Base Score: 6.7
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 6.7
CNA Vector (Siemens AG): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/28/2023 🔍
10/10/2023 +104 days 🔍
10/10/2023 +0 days 🔍
10/10/2023 +0 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-784849
Status: Confirmed

CVE: CVE-2023-37194 (🔍)
GCVE (CVE): GCVE-0-2023-37194
GCVE (VulDB): GCVE-100-241687

Entryinfo

Created: 10/10/2023 13:50
Changes: 10/10/2023 13:50 (49)
Complete: 🔍
Cache ID: 216::103