9.8

CVE-2020-0618: Microsoft SQL Server Reporting Services Remote Code Execution Vulnerability

CVSS: 9.8v3.1CriticalKEVRansomwareAnalyzed
Published 11-02-2020Last modified 15-08-2026
Open JSON

Vulnerability summary

CVE-2020-0618 is a critical (CVSS 9.8) Deserialization of Untrusted Data vulnerability in Microsoft SQL Server. It is known to be exploited: CISA lists it, first on 18-09-2024. It has been used in ransomware campaigns. EPSS estimates a 99.05% chance of exploitation in the next 30 days, higher than 99.9% of scored vulnerabilities. 4 public exploits are recorded.

Overall risk
90/100
0100
Critical · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
99.05%
0%100%
Critical · +0.02 pp in 30 days
KEVListedCISA
RansomwareKnown useFlagged by CISA
Public exploits4reference, exploit-database, metasploit

Timeline

  1. 11-02-2020
    PublishedVulnerability first disclosed.
  2. 18-09-2024
    Added to CISA KEVMicrosoft SQL Server Reporting Services Remote Code Execution Vulnerability
  3. 09-10-2024
    CISA remediation dueApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
  4. 15-08-2026
    Last modifiedVulnerability information updated.

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'.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

99.05%

Chance of exploitation in the next 30 days

Percentile

100%

Versus all other CVEs

30-day change

+0.02 pp

From 99.02% on 18-09-2026

18-09-202618-10-2026
EPSS score
99.05%

Known exploited

Compare KEV catalogs
CISA KEVListed
Added
18-09-2024
Federal due date
09-10-2024
Ransomware

CISA required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. msrc.microsoft.com/update-guide/en-US/advisory/CVE-2020-0618 nvd.nist.gov/vuln/detail/CVE-2020-0618

Public exploits

4 found
  • referenceUnverified

    Exploit Reference (packetstormsecurity.com)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (packetstormsecurity.com)

    Maturity: unknown

  • exploit-databaseremotewindowsUnverified

    Microsoft SQL Server Reporting Services 2016 - Remote Code Execution

    Maturity: poc

Show all 4 exploits
  • MetasploitMetasploitremoteVerified

    SQL Server Reporting Services (SSRS) ViewState Deserialization

    exploit/windows/http/ssrs_navcorrector_viewstate

    Maturity: weaponized

Weaknesses

CWE · root cause

Affected systems

Microsoft7 products

1 vendor · 7 products

References

4 links