CVE-2020-1173
CVE-2020-1173 is a medium-severity vulnerability in Microsoft Power Bi Report Server with a CVSS 3.x base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.
Key facts
- Severity: Medium (CVSS 3.x base score 6.8)
- CVSS v2: 3.5
- EPSS exploit prediction: 2% (82nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-20
- Affected product: Microsoft Power Bi Report Server
- Published:
- Last modified:
Description
A spoofing vulnerability exists in Microsoft Power BI Report Server in the way it validates the content-type of uploaded attachments, aka 'Microsoft Power BI Report Server Spoofing Vulnerability'.
Frequently asked questions
- What is CVE-2020-1173?
- A spoofing vulnerability exists in Microsoft Power BI Report Server in the way it validates the content-type of uploaded attachments, aka 'Microsoft Power BI Report Server Spoofing Vulnerability'.
- How severe is CVE-2020-1173?
- CVE-2020-1173 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
- Is CVE-2020-1173 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-1173?
- CVE-2020-1173 affects Microsoft Power Bi Report Server. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-1173?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-1173 published?
- CVE-2020-1173 was published on 2020-05-21 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:microsoft:power_bi_report_server:-:*:*:*:*:*:*:*
More vulnerabilities in Microsoft Power Bi Report Server
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- CVE-2021-26859 — High (CVSS 7.7): Microsoft Power BI Information Disclosure Vulnerability
- CVE-2021-41372 — High (CVSS 7.6): A Cross-Site Scripting (XSS) and Cross-Site Request Forgery (CSRF) vulnerability exists when Power BI Report Server…
- CVE-2021-31984 — High (CVSS 7.6): Power BI Remote Code Execution Vulnerability
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