CVE-2020-1044
Last modified
CVE-2020-1044 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. <p>A security feature bypass vulnerability exists in SQL Server Reporting Services (SSRS) when the server improperly validates attachments uploaded to reports. An attacker who successfully exploited this vulnerability could upload file types that were disallowed by an administrator.</p> <p>To exploit the vulnerability, an authenticated attacker would need to send a specially crafted request to an affected SSRS server.</p> <p>The update addresses the vulnerability by modifying how SSRS validates attachment uploads.</p>. EPSS estimates a 1.91% chance of exploitation in the next 30 days.
Description
<p>A security feature bypass vulnerability exists in SQL Server Reporting Services (SSRS) when the server improperly validates attachments uploaded to reports. An attacker who successfully exploited this vulnerability could upload file types that were disallowed by an administrator.</p> <p>To exploit the vulnerability, an authenticated attacker would need to send a specially crafted request to an affected SSRS server.</p> <p>The update addresses the vulnerability by modifying how SSRS validates attachment uploads.</p>
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Sql Server Reporting Services | 2017 |
| Microsoft | Sql Server Reporting Services | 2019 |
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1044Patch, Vendor Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1044Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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