CVE-2020-15573
Serv-U Managed File Transfer Server vulnerability analysis and mitigation

Overview

SolarWinds Serv-U File Server before version 15.2.1 was identified with a "Cross-script vulnerability," tracked as CVE-2020-15573 (also known by Case Numbers 00041778 and 00306421). The vulnerability was discovered and disclosed on July 7, 2020, affecting SolarWinds Serv-U File Server installations prior to version 15.2.1 (MITRE).

Technical details

The vulnerability has been assessed with varying severity scores across different versions of the Common Vulnerability Scoring System (CVSS). According to the National Vulnerability Database, it received a CVSS v3.1 score of 7.5 (HIGH) and a CVSS v2.0 score of 5.0 (MEDIUM) (NVD Results).

Mitigation and workarounds

The vulnerability was addressed in SolarWinds Serv-U File Server version 15.2.1. Users are advised to upgrade to this version or later to mitigate the security risk (SolarWinds Documentation).

Additional resources


SourceThis report was generated using AI

Related Serv-U Managed File Transfer Server vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-28321CRITICAL9.1
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CVE-2026-28317CRITICAL9.1
  • Serv-U Managed File Transfer Server logoServ-U Managed File Transfer Server
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CVE-2026-28316CRITICAL9.1
  • Serv-U Managed File Transfer Server logoServ-U Managed File Transfer Server
  • cpe:2.3:a:solarwinds:serv-u
NoYesJul 21, 2026
CVE-2026-28314CRITICAL9.1
  • Serv-U Managed File Transfer Server logoServ-U Managed File Transfer Server
  • cpe:2.3:a:solarwinds:serv-u
NoYesJul 21, 2026
CVE-2026-28315MEDIUM6.2
  • Serv-U Managed File Transfer Server logoServ-U Managed File Transfer Server
  • cpe:2.3:a:solarwinds:serv-u
NoYesJul 21, 2026

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