SolarWinds Serv-U MFT before 15.1.6 HFv1 assigns authenticated users a low-entropy…
Priority LOW 34CWE-331Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
SolarWinds Serv-U MFT before 15.1.6 HFv1 assigns authenticated users a low-entropy session token that can be included in requests to the application as a URL parameter in lieu of a session cookie. This session token's value can be brute-forced by an attacker to obtain the corresponding session cookie and hijack the user's session.
Why it matters now
EPSS 0.01028 63rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:solarwinds:serv-u:*:*:*:*:*:*:*:* | up to 15.1.6 | Vulnerable | SolarWinds |
- cpe:2.3:a:solarwinds:serv-u:*:*:*:*:*:*:*:* Versions up to 15.1.6 Vulnerable ·SolarWinds
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-10240
- 2026-10-03 Alias added: GHSA-hw6q-c5xp-mh35
References
More SolarWinds Serv-u vulnerabilities
- TI-2021-14105 Serv-U Remote Memory Escape Vulnerability KEVCVSS 3.1CRITICAL 10.0
- TI-2024-19183 SolarWinds Serv-U L Directory Transversal Vulnerability KEVCVSS 3.1HIGH 8.6
- TI-2026-22619 SolarWinds Serv-U Unauthenticated Denial of Service Vulnerability KEVCVSS 3.1HIGH 7.5
- TI-2021-14139 Improper Input Validation Vulnerability in Serv-U KEVCVSS 3.1MEDIUM 5.3
- TI-2024-30693 SolarWinds Serv-U FTP Service Directory Traversal Remote Code Execution Vulnerability CVSS 3.1HIGH 8.8
- TI-2021-14142 Directory Transversal Vulnerability in Serv-U 15.3 CVSS 3.1HIGH 7.5
Sources
- CVE-2018-10240 · CVE Program
- CVE-2018-10240 · NVD
- FIRST EPSS
- GHSA-hw6q-c5xp-mh35 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences