Vulnerability in Microsoft Sharepoint Server 2019
CVE-2020-1523
<p>A tampering vulnerability exists when Microsoft SharePoint Server fails to properly handle profile data. An attacker who successfully exploited this vulnerability could modify a targeted user's profile data.</p> <p>To exploit the vulnerability, an attacker would need to be authenticated on an affected SharePoint Server. The attacker would then need to send a specially modified request to the server, targeting a specific user.</p> <p>The security update addresses the vulnerability by modifying how Microsoft SharePoint Server handles profile data.</p>
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.9 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:L.
EPSS exploit prediction
EPSS: 0.022 (82.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 82.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: 0.000
Affected products
- Microsoft Sharepoint Server 2019 — versions 16.0.0
- Microsoft Sharepoint Server — versions 2019
Public proof-of-concept exploits
References
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1523 (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-1523?
- CVE-2020-1523 is a high-severity vulnerability in Microsoft Sharepoint Server 2019. CVSS score: 8.9/10. Published 2020-09-11.
- How severe is CVE-2020-1523?
- High severity. CVSS v3 base score is 8.9 out of 10.
- Is CVE-2020-1523 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.