Improper input validation in Microsoft Power Bi Report Server
CVE-2020-1173
A spoofing vulnerability exists in Microsoft Power BI Report Server in the way it validates the content-type of uploaded attachments. An authenticated attacker could exploit the vulnerability by uploading a specially crafted payload and sending it to the user. The attacker who successfully exploited this vulnerability could then perform actions and run scripts in the security context of the user. This security update addresses the vulnerability by ensuring Power BI Report Server properly validates content-type of the attachments when uploading and opening.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.025 (83.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.025 · newest: 0.025 · change: 0.000
Affected products
- Microsoft Power Bi Report Server — versions unspecified
- Microsoft Power Bi Report Server
Weakness classification (CWE)
References
- af854a3a-2127-422b-91ae-364da2661108 (Patch, Vendor Advisory)
- msrc.microsoft.com/update-guide/vulnerability/CVE-2020-1173 (vendor-advisory, patch)
Frequently asked questions
- What is CVE-2020-1173?
- CVE-2020-1173 is a medium-severity vulnerability in Microsoft Power Bi Report Server, classified under Improper Input Validation. CVSS score: 6.8/10. Published 2020-05-21.
- How severe is CVE-2020-1173?
- Medium severity. CVSS v3 base score is 6.8 out of 10.