Microsoft SQL Server Reporting Services Remote Code Execution Vulnerability

[ Why it matters ]Priority signals

• Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2024-09-18
• Known to be used in ransomware campaigns
• EPSS: 99% chance of exploitation in the next 30 days (higher than 100% of CVEs)

[ Description ]Official description

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'.

CISA: 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.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 9 Oct 2024): Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

• Patch on portal.msrc.microsoft.comVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD

[ References ]References

• packetstormsecurity.com/files/156707/SQL-Server-Reporting-Services-SSRS-ViewState-Deser…ExploitThird Party AdvisoryVDB Entry
• packetstormsecurity.com/files/159216/Microsoft-SQL-Server-Reporting-Services-2016-Remot…ExploitThird Party AdvisoryVDB Entry
• portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0618PatchVendor Advisory
• www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource