CVE-2019-1443 json
An information disclosure vulnerability exists in Microsoft SharePoint when an attacker uploads a specially crafted file to the SharePoint…
published 2019-11-12 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-10000
- cvss
- 6.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 5.7%
- EPSS 5.7% chance of exploitation in 30 days, percentile 93%
- public exploits
- 0
- none known
Summary
An information disclosure vulnerability exists in Microsoft SharePoint when an attacker uploads a specially crafted file to the SharePoint Server.An authenticated attacker who successfully exploited this vulnerability could potentially leverage SharePoint functionality to obtain SMB hashes.The security update addresses the vulnerability by correcting how SharePoint checks file content., aka 'Microsoft SharePoint Information Disclosure Vulnerability'.
Patch / fix
Exploit prediction
5.75% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:P/I:N/A:N |
Affected products
- Microsoft Microsoft SharePoint Foundation
- Microsoft Microsoft SharePoint Enterprise Server
- Microsoft Microsoft SharePoint Server
Classification
- Weakness
-
- CWE-434 Unrestricted Upload of File with Dangerous Type
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2019-1443
patch, vendor-advisory
Sources
- CVE List CVE-2019-1443
- NVD CVE-2019-1443
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