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CVE-2022-42894: CWE-918: Server-Side Request Forgery (SSRF) in Siemens syngo Dynamics

High
VulnerabilityCVE-2022-42894cvecve-2022-42894cwe-918
Published: Thu Nov 17 2022 (11/17/2022, 00:00:00 UTC)
Source: CVE
Vendor/Project: Siemens
Product: syngo Dynamics

Description

A vulnerability has been identified in syngo Dynamics (All versions < VA40G HF01). An unauthenticated Server-Side Request Forgery (SSRF) vulnerability was identified in one of the web services exposed on the syngo Dynamics application that could allow for the leaking of NTLM credentials as well as local service enumeration.

AI-Powered Analysis

AILast updated: 07/02/2025, 04:41:05 UTC

Technical Analysis

CVE-2022-42894 is a high-severity Server-Side Request Forgery (SSRF) vulnerability identified in Siemens syngo Dynamics, a medical imaging and workflow software used primarily in healthcare environments. This vulnerability affects all versions prior to VA40G HF01. The flaw exists in one of the web services exposed by the syngo Dynamics application, which does not require authentication to be exploited. An attacker can leverage this SSRF vulnerability to make the server perform unauthorized requests on their behalf. Specifically, this can lead to the leaking of NTLM credentials and enable local service enumeration on the affected system. NTLM credential leakage can facilitate further lateral movement or privilege escalation within a network, while local service enumeration can provide attackers with valuable information about internal services and configurations, aiding in subsequent attacks. The CVSS 3.1 base score of 7.5 reflects the vulnerability's network attack vector, low attack complexity, no required privileges or user interaction, and a high impact on confidentiality, though integrity and availability are not affected. No known exploits have been reported in the wild as of the published date, but the vulnerability poses a significant risk due to its unauthenticated nature and potential to expose sensitive credentials in critical healthcare infrastructure.

Potential Impact

For European organizations, particularly healthcare providers and institutions using Siemens syngo Dynamics, this vulnerability presents a serious risk. The leakage of NTLM credentials could allow attackers to move laterally within hospital networks, potentially accessing sensitive patient data protected under GDPR. Local service enumeration could reveal internal network structures, increasing the risk of targeted attacks or ransomware campaigns. Disruption or compromise of medical imaging systems can impact patient care and safety, leading to operational downtime and regulatory repercussions. Given the critical nature of healthcare services and the stringent data protection regulations in Europe, exploitation of this vulnerability could result in significant financial penalties, reputational damage, and harm to patient trust.

Mitigation Recommendations

European healthcare organizations should prioritize updating syngo Dynamics to version VA40G HF01 or later, where the vulnerability is patched. In the absence of immediate patching, network-level controls should be implemented to restrict access to the vulnerable web service, limiting it to trusted internal IP addresses only. Deploying web application firewalls (WAFs) with rules to detect and block SSRF patterns can provide additional protection. Monitoring network traffic for unusual outbound requests originating from syngo Dynamics servers can help detect exploitation attempts. Organizations should also enforce strict NTLM authentication policies and consider disabling NTLM where feasible, replacing it with more secure protocols like Kerberos. Regular security audits and penetration testing focused on internal services can identify and remediate similar weaknesses proactively.

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Technical Details

Data Version
5.1
Assigner Short Name
siemens
Date Reserved
2022-10-12T00:00:00.000Z
Cisa Enriched
true
Cvss Version
3.1
State
PUBLISHED

Threat ID: 682d983bc4522896dcbee0ea

Added to database: 5/21/2025, 9:09:15 AM

Last enriched: 7/2/2025, 4:41:05 AM

Last updated: 7/30/2025, 1:29:38 AM

Views: 10

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