Vulnerability · Published Jul 14, 2020 · Assigned by microsoft
CVE-2020-1456
Medium 5.4
In plain English
A medium-severity cross-site scripting in Microsoft SharePoint Enterprise Server from Microsoft. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 2.2% (higher than 83% of all known vulnerabilities).
Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)2.2%top 17.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A cross-site-scripting (XSS) vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server, aka 'Microsoft Office SharePoint XSS Vulnerability'. This CVE ID is unique from CVE-2020-1450, CVE-2020-1451.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft SharePoint Enterprise Server | 20162013 Service Pack 1 |
| Microsoft | Microsoft SharePoint Server | 20192010 Service Pack 2 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1456 x_refsource_MISC
- https://slashcrypto.org/2021/01/15/CVE-2020-1456/ x_refsource_MISC
- https://it-sec.de/ger/Aktuelles-Termine/it.sec-blog/it.sec-Research-Team-findet-unbekannte-Schwachstelle-in-Microsoft-Office-SharePoint x_refsource_MISC