CVE-2020-0618
KEVRansomware UseMicrosoft SQL Server Reporting Services Remote Code Execution Vulnerability
Description
Microsoft SQL Server Reporting Services contains a deserialization vulnerability when handling page requests incorrectly. An authenticated attacker can exploit this vulnerability to execute code in the context of the Report Server service account.
A remote code execution vulnerability exists in Microsoft SQL Server Reporting Services when it incorrectly handles page requests, aka 'Microsoft SQL Server Reporting Services Remote Code Execution Vulnerability'.
CVSS 3.1 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HPublishedFeb 11, 2020
Last modifiedAug 15, 2026
Added to KEVSep 18, 2024
Remediation dueOct 9, 2024
References
- packetstormsecurity.com/files/156707/SQL-Server-Reporting-Services-SSRS-ViewState-Deserialization.htmlExploitThird Party Advisory
- packetstormsecurity.com/files/159216/Microsoft-SQL-Server-Reporting-Services-2016-Remote-Code-Execution.htmlExploitThird Party Advisory
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0618PatchVendor Advisory
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-0618US Government Resource
0 recent articles mention this CVE
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Risk assessment · Critical
Actively exploited and used by ransomware crews. Patch immediately.
- Exploitation
- Confirmed in the wild (CISA KEV)
- Federal remediation deadline
- Overdue by 747 days
- Ransomware
- Used in known ransomware campaigns
- CVSS
- 8.8 HIGH
- EPSS (30-day exploit probability)
- 99.0% · top 1% of all CVEs
- Weakness
- CWE-502
- Attack vector
- Network, remotely reachable
Recommended actions
- 1.Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- 2.Treat as emergency change: patch or isolate internet-facing instances first.
- 3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
- 4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.
- 5.Verify offline/immutable backups and segment the affected systems. This flaw is used for ransomware initial access.
Assessment is derived automatically from the live signals above; verify against your own asset inventory.