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CVE mentions, exploit signals, and PoC evidence in one fast public view.

CVE detail

CVE-2025-40538

A broken access control vulnerability exists in Serv-U which when exploited, gives a malicious actor the ability to create a system admin user and execute arbitrary code as a privileged account via domain admin or group admin privileges. This issue requires administrative privileges to abuse. On Windows deployments, the risk is scored as a medium because services frequently run under less-privileged service accounts by default.

CVSS 9.1 · CriticalBuzz score 25.6

Buzz score

Why this CVE is surfacing

Buzz score total 25.6

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 16.1 · diversity 9.5 · KEV 0.0 · OTX 0.0 · PoC 0.0
Mention score
16.1
4 evidence mentions in the snapshot
Diversity score
9.5
4 sources across 1 categories
KEV score
0.0
No KEV entry observed
OTX score
0.0
0 OTX pulses
PoC score
0.0
0 repos · best confidence N/A
Best PoC traction
0
Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions
0
within the 30d window
Peak daily
0
highest bucket

Evidence

Source links by recency

Newest mentions first
4 source links · newest first
  • SolarWinds Patches Four Critical Serv-U VulnerabilitiesSecurityWeek

    The four security defects could be exploited for remote code execution but require administrative privileges.

    newswww.securityweek.comFeb 25, 2026, 3:30 PM
  • SolarWinds Serv-U hit by four critical RCE-level vulnerabilitiesHelp Net Security

    SolarWinds has fixed four critical vulnerabilities in its popular Serv-U file transfer solution, which is used by businesses and organizations of all sizes. If exploited, the flaws may allow attackers to create a system admin user and/or execute code as a privileged account. The SolarWinds Serv-U vulnerabilities SolarWinds Serv-U runs on Windows or Linux and lets users securely transfer files between computers or systems using standard protocols like FTP, FTPS, SFTP, HTTP, and HTTPS. It … More →

    newswww.helpnetsecurity.comFeb 25, 2026, 11:55 AM
  • New Serv-U bugs extend SolarWinds’ run of high-severity disclosuresCSO Online

    SolarWinds continues to be besieged by security issues, this time in its Serv-U managed file transfer server. The software company has released four patches for critical Serv-U remote code execution (RCE) vulnerabilities that could allow attackers to gain root (administrator) access to unpatched servers. These four common vulnerabilities and exposures (CVEs) are rated “critical,” the […]

    newswww.csoonline.comFeb 25, 2026, 2:47 AM
  • SolarWinds patches four critical Serv-U flaws enabling root accessSecurity Affairs

    SolarWinds addressed four critical Serv-U vulnerabilities that could let attackers gain root access to unpatched servers. SolarWinds released updates fixing four critical Serv-U vulnerabilities that allow remote code execution, potentially giving attackers full root access on unpatched servers. Serv-U is a file transfer server software that allows organizations to securely transfer files over networks using […]

    newssecurityaffairs.comFeb 24, 2026, 8:07 PM

Exploit code

Public exploit repository references

Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.

0 repository references · best confidence N/A · max 0 stars
No public PoC repositories have been matched yet.

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