What is CVE-2020-1469?

CVE-2020-1469 is a high-severity vulnerability in Microsoft Bond, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.5/10. Published 2020-07-14.

How severe is CVE-2020-1469?

High severity. CVSS v3 base score is 7.5 out of 10.

Arbitrary file upload in Microsoft Bond

CVE-2020-1469

A denial of service vulnerability exists when the .NET implementation of Bond improperly parses input, aka 'Bond Denial of Service Vulnerability'.

Vulnerability class: Unrestricted File Upload

Published 2020-07-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.048 (91.7th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.048 · newest: 0.048 · change: 0.000

Affected products

Microsoft Bond — versions 9.0.1
Microsoft Bond 9.0.1 — versions unspecified

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1469 (Patch, Vendor Advisory)

Frequently asked questions

What is CVE-2020-1469?: CVE-2020-1469 is a high-severity vulnerability in Microsoft Bond, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.5/10. Published 2020-07-14.
How severe is CVE-2020-1469?: High severity. CVSS v3 base score is 7.5 out of 10.