QMS Automotive: Cleartext Storage of Sensitive Information in Memory
CVE-2023-40724 is a high-severity cleartext storage of sensitive information in memory vulnerability in QMS Automotive from Siemens, with a CVSS 3.1 base score of 7.3 out of 10. It can be exploited with local access to the system by an attacker with a low-privileged account, without any action from a user. Affected QMS Automotive versions: All versions < V12.39. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.13% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Check which version of QMS Automotive you run against the affected versions below, and install the vendor's latest release.
- Read the advisory on cert-portal.siemens.com for workarounds and exact fixed builds.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Siemens | QMS Automotive | All versions < V12.39 | Not stated |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- LocalThe attacker needs local access or must trick a user into running something.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- LowA basic user account is enough.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- HighData or code can be modified at will.
- Availability
- LowPerformance or availability is reduced.
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L. Scored by CNA (siemens.com).
Official description
A vulnerability has been identified in QMS Automotive (All versions < V12.39). User credentials are found in memory as plaintext. An attacker could perform a memory dump, and get access to credentials, and use it for impersonation.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Cleartext Storage of Sensitive Information in Memory
The product stores sensitive information in cleartext in memory.
More Cleartext Storage of Sensitive Information in Memory vulnerabilities (CWE-316)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).
- Record last changed materially (score, affected products, status or references).
References
Other vulnerabilities in QMS Automotive
- 8.8 High severity
- 8.8 High severity
- 7.4 High severity
- 7.8 High severity
- 7.8 High severity
- 8.8 High severity
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