CVE-2020-0618
Microsoft SQL Server Reporting Services contains a deserialization vulnerability when handling page requests incorrectly. An authenticated attacker…
Browse: All 2020 CVEs · All vendors
- CVSS score
- 8.8 High
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H- CISA KEV
- Yes — actively exploited (added 2024-09-18, remediation due 2024-10-09)
- Ransomware
- Known ransomware campaign use
- Weakness (CWE)
- CWE-502
- Published
- 2020-02-11
- Last modified
- 2026-08-15
- NVD status
- Analyzed
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.
Affected products
- microsoft sql server
Affected ranges per NVD CPE data; confirm exact versions in the vendor advisory.
Required action (CISA)
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. Federal remediation deadline: 2024-10-09.
How to prioritize this
This vulnerability is on the CISA KEV list, meaning it is being actively exploited — treat it as urgent regardless of the raw CVSS number. Use the live CVE lookup for the latest NVD data, and the CVSS 3.1 calculator to model your own environmental score. For the actively exploited vulnerabilities that matter this week, read The Exploit HQ daily security brief.
References
- http://packetstormsecurity.com/files/156707/SQL-Server-Reporting-Services-SSRS-ViewState-Deserialization.html
- http://packetstormsecurity.com/files/159216/Microsoft-SQL-Server-Reporting-Services-2016-Remote-Code-Execution.html
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0618
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-0618
FAQ
Is CVE-2020-0618 actively exploited?
Yes. CISA added CVE-2020-0618 to its Known Exploited Vulnerabilities (KEV) catalog on 2024-09-18, with a federal remediation deadline of 2024-10-09. A KEV listing means real-world exploitation is confirmed, so patching this should be prioritized above many higher-CVSS bugs that aren't being exploited.
What is the CVSS score of CVE-2020-0618?
CVE-2020-0618 has a CVSS base score of 8.8 (High). Its vector string is CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Related vulnerabilities
- CVE-2019-1068 — Microsoft SQL Server
- CVE-2026-96951 — Microsoft Windows
- CVE-2026-65660 — Microsoft SharePoint
- CVE-2026-81963 — Microsoft Windows
- CVE-2026-85880 — Microsoft Windows
- CVE-2026-33824 — Microsoft Internet Key Exchange (IKE) Serv
Data source: NVD & CISA KEV. Shown as-is; nothing added. Last generated from NVD data — re-check the live tool for updates.
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