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serv-u

Vendor: solarwinds

Actively Exploited 4 CISA KEV List
PoC / Exploits 5 Code Available
Total RCEs 2 Remote Access
Total CVEs 58 Total Indexed
Avg. EPSS 6.65% Exploit Prob.
Latest CVE CVE-2026-28318 Jun 04

Security Vulnerability Index

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7.5 CVSS
CVE-2026-28318
Exploit Found

SolarWinds Serv-U is susceptible to specially crafted POST requests that crash the Serv-U service without authentication using Content-Encoding: deflate. Mitigation steps are provided to secure customer environments in the SolarWinds Trust Center if you are unable to deploy the update

EPSS: 10.66%
9.1 CVSS

An Insecure Direct Object Reference (IDOR) vulnerability exists in Serv-U, which when exploited, gives a malicious actor the ability to execute native code as a privileged account. 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.

EPSS: 0.57%
9.1 CVSS

A type confusion vulnerability exists in Serv-U which when exploited, gives a malicious actor the ability to execute arbitrary native code as privileged account. 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.

EPSS: 0.44%
9.1 CVSS

A type confusion vulnerability exists in Serv-U which when exploited, gives a malicious actor the ability to execute arbitrary native code as privileged account. 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.

EPSS: 0.44%
9.1 CVSS

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.

EPSS: 0.50%
9.1 CVSS

A Path Restriction Bypass vulnerability exists in Serv-U that when abused, could give a malicious actor with access to admin privileges the ability to execute code on a directory. This issue requires administrative privileges to abuse. On Windows systems, this scored as medium due to differences in how paths and home directories are handled.

EPSS: 1.05%
9.1 CVSS

A missing validation process exists in Serv U when abused, could give a malicious actor with access to admin privileges the ability to execute code. 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.

EPSS: 0.69%
9.1 CVSS
CVE-2025-40547
Exploit Found

A logic error vulnerability exists in Serv-U which when abused could give a malicious actor with access to admin privileges the ability to execute code. 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.

EPSS: 0.88%
2.6 CVSS

SolarWinds Serv-U is vulnerable to a client-side cross-site scripting (XSS) vulnerability. The vulnerability can only be performed by an authenticated account, on the local machine, from the local browser session. Therefore the risk is very low.

EPSS: 0.35%
4.8 CVSS

Application is vulnerable to Cross Site Scripting (XSS) an authenticated attacker with users’ permissions can modify a variable with a payload.

EPSS: 0.82%