Out-of-bounds write in Siemens syngo fastView
Priority LOW 36CWE-787Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
A vulnerability has been identified in syngo fastView (All versions). The affected application lacks proper validation of user-supplied data when parsing DICOM files. This could result in an out-of-bounds write past the end of an allocated structure. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-15097)
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00323 25th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Siemens | syngo fastView | All versions | — | No fix listed | CNA |
- syngo fastView VendorSiemens Affected All versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:siemens-healthineers:syngo_fastview:*:*:*:*:*:*:*:* | all versions | Vulnerable | Siemens-healthineers |
- cpe:2.3:a:siemens-healthineers:syngo_fastview:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Siemens-healthineers
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-40367
- 2026-10-03 Alias added: GHSA-7q9f-5fqh-wq7w
References
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- TI-2021-19919 Apache Log4j2 JNDI features do not protect against attacker controlled LDAP and other JNDI related endpoints KEVCVSS 3.1CRITICAL 10.0
Sources
- CVE-2021-40367 · CVE Program
- CVE-2021-40367 · NVD
- FIRST EPSS
- GHSA-7q9f-5fqh-wq7w · GitHub Advisory Database · CC BY 4.0
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