What is CVE-2021-45465?

CVE-2021-45465 is a high-severity vulnerability in Siemens Syngo Fastview, classified under Write-what-where Condition. CVSS score: 7.8/10. Published 2024-01-04.

How severe is CVE-2021-45465?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Siemens Syngo Fastview

CVE-2021-45465

A vulnerability has been identified in syngo fastView (All versions). The affected application lacks proper validation of user-supplied data when parsing BMP files. This could result in a write-what-where condition and an attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-15696)

Published 2024-01-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (23.3th percentile), scored 2026-10-08.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 23.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Siemens Syngo Fastview — versions All versions
Siemens-Healthineers Syngo Fastview

Weakness classification (CWE)

CWE-123 — Write-what-where Condition

References

www.siemens-healthineers.com/en-us/support-documentation/cybersecurity/shsa-688… (Vendor Advisory)

Frequently asked questions

What is CVE-2021-45465?: CVE-2021-45465 is a high-severity vulnerability in Siemens Syngo Fastview, classified under Write-what-where Condition. CVSS score: 7.8/10. Published 2024-01-04.
How severe is CVE-2021-45465?: High severity. CVSS v3 base score is 7.8 out of 10.