The local management interface in SolarWinds Serv-U FTP Server 15.1.6.25 has incorrect access controls that permit local users to bypass authentication in the application and execute code in the context of the Windows SYSTEM account, leading to privilege escalation. To exploit this vulnerability, an attacker must have local access the the host running Serv-U, and a Serv-U administrator have an active management console session.
Conclusion & alert: CVE-2018-19999 is rated Low Risk (38.4/100): CVSS High severity, with low exploitation likelihood (EPSS 0.06%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2023-03-07 | 1.00% | 0.06% | -0.95% |
| 2 | 2022-02-04 | 0.58% | 1.00% | +0.42% |
| 3 | 2021-04-14 | — | 0.58% | — |
Full EPSS history (3 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.8 | 3.0 | HIGH |
|
1.8 | 5.9 | [email protected] |
| 7.2 | 2.0 | HIGH |
|
3.9 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| solarwinds | serv-u_ftp_server | 15.1.6.25 | cpe:2.3:a:solarwinds:serv-u_ftp_server:15.1.6.25:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://seclists.org/fulldisclosure/2019/May/46 | Mailing List Third Party Advisory |
| https://www.themissinglink.com.au/security-advisories-cve-2018-19999 | Broken Link |