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CVE-2026-28307— SolarWinds Serv-U Privilege Escalation Vulnerability

Quick assessment

Affected
SolarWinds Serv-U
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

SolarWinds serv-u是美国SolarWinds公司的一款文件传输服务器。 SolarWinds Serv-U 15.5.4 HF1及之前版本存在权限许可和访问控制问题漏洞，该漏洞源于权限许可和访问控制问题，可能导致域用户组提升为管理员组。

CVSS 4.7 · Medium EPSS 0.50% · P40

Affected Version Matrix 1

VendorProduct Version RangeStatus
SolarWinds Serv-U 15.5.4 HF1 and below affected
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I. Basic Information for CVE-2026-28307

Vulnerability Information
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Vulnerability Title
SolarWinds Serv-U Privilege Escalation Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
SolarWinds Serv-U is affected by a privilege escalation vulnerability that allows a domain user group to be elevated into an administrator group. The impact is lower in Windows deployments.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
SolarWinds Serv-U 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SolarWinds serv-u是美国SolarWinds公司的一款文件传输服务器。 SolarWinds Serv-U 15.5.4 HF1及之前版本存在权限许可和访问控制问题漏洞，该漏洞源于权限许可和访问控制问题，可能导致域用户组提升为管理员组。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
SolarWinds Serv-U 15.5.4 HF1 and below -

II. Public POCs for CVE-2026-28307

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III. Intelligence Information for CVE-2026-28307

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Vendor Advisories for CVE-2026-28307 (1)

Vendor Pages for CVE-2026-28307 (1)

Same Patch Batch · SolarWinds · 2026-07-21 · 15 CVEs total

CVE-2026-28315 6.2 MEDIUM SolarWinds Serv-U Authenticated Stored Cross-site Scripting (XSS) Vulnerability
CVE-2026-28317 4.7 MEDIUM SolarWinds Serv-U Insecure Direct Object Reference (IDOR) Vulnerability
CVE-2026-28309 4.7 MEDIUM SolarWinds Serv-U Broken Access Control Vulnerability
CVE-2026-28310 4.7 MEDIUM SolarWinds Serv-U Privilege Escalation Vulnerability
CVE-2026-28321 4.7 MEDIUM SolarWinds Serv-U Broken Access Control Vulnerability
CVE-2026-28308 4.7 MEDIUM SolarWinds Serv-U Insecure Direct Object Reference (IDOR) Vulnerability
CVE-2026-28313 4.7 MEDIUM SolarWinds Serv-U Insecure Direct Object Reference (IDOR) Vulnerability
CVE-2026-28316 4.7 MEDIUM SolarWinds Serv-U Insecure Direct Object Reference (IDOR) Vulnerability
CVE-2026-28306 4.7 MEDIUM SolarWinds Serv-U Privilege Escalation Vulnerability
CVE-2026-28304 4.7 MEDIUM SolarWinds Serv-U Remote Code Execution Vulnerability
CVE-2026-28302 4.7 MEDIUM SolarWinds Serv-U Insecure Direct Object Reference (IDOR) Vulnerability
CVE-2026-28305 4.7 MEDIUM SolarWinds Serv-U Insecure Direct Object Reference (IDOR) Vulnerability
CVE-2026-28314 4.7 MEDIUM SolarWinds Serv-U Insecure Direct Object Reference (IDOR) Vulnerability
CVE-2026-28312 4.7 MEDIUM SolarWinds Serv-U Privilege Escalation Vulnerability

IV. Related Vulnerabilities

Same product: Serv-U
Same vendor: SolarWinds
Same weakness: CWE-284

V. Comments for CVE-2026-28307

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