Security readout for executives and security teams
CVE-2020-0618 is a critical remote code execution flaw in Microsoft SQL Server Reporting Services. An attacker could target vulnerable report server page handling over the network without authentication or user interaction. CISA lists it as known exploited, so exposed or unpatched SSRS systems deserve urgent attention. Organizations running Microsoft SQL Server Reporting Services on the affected SQL Server versions are the likely exposure group. Risk is highest where SSRS endpoints are reachable from untrusted networks or remain on older GDR/CU levels without the relevant Microsoft security update. Treat this as urgent for any organization using SSRS. The vulnerability is critical, remotely reachable, unauthenticated, and listed by CISA as known exploited. Patch exposed systems first and confirm no vulnerable SSRS endpoint is reachable from untrusted networks. Mitigation focus: Apply the applicable Microsoft security update from the MSRC advisory.; Identify all SQL Server Reporting Services instances and versions.; Prioritize internet-facing or partner-accessible SSRS servers..
Michael Williams reviewed this cited source version on .
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Open ATT&CK lookupCVE-2020-0618 mapping review
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Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
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CISA KEV status
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0618CVE reference · x_refsource_MISC
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-0618CVE reference · government-resource
Products and packages named in the record
CWE details
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Deserialization of Untrusted Data
Deserialization of Untrusted Data represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.