CVE-2021-35245
Broken Access Control Vulnerability for SolarWinds Serv-U
When a user has admin rights in Serv-U Console, the user can move, create and delete any files are able to be accessed on the Serv-U host machine.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Broken Access Control Vulnerability for SolarWinds Serv-U
When a user has admin rights in Serv-U Console, the user can move, create and delete any files are able to be accessed on the Serv-U host machine.
- Record
CVE-2021-35245- CVSS 3.1
- 8.4 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H - Weakness
- CWE-284
- Updated
- 2026-11-02
EUVDEUVD-2021-21888
When a user has admin rights in Serv-U Console, the user can move, create and delete any files are able to be accessed on the Serv-U host machine.
- Record
EUVD-2021-21888- CVSS 3.1
- 8.4 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6wqv-7jxp-qpmj
When a user has admin rights in Serv-U Console, the user can move, create and delete any files...
When a user has admin rights in Serv-U Console, the user can move, create and delete any files are able to be accessed on the Serv-U host machine.
- Record
GHSA-6wqv-7jxp-qpmj- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N - Weakness
- CWE-269
- Updated
- 2026-11-02
NVD
When a user has admin rights in Serv-U Console, the user can move, create and delete any files are able to be accessed on the Serv-U host machine.
- Record
CVE-2021-35245- CVSS 3.1
- 8.4 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H - CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N - CVSS 2.0
- 6.8 Medium
AV:N/AC:L/Au:S/C:N/I:C/A:N - Weakness
- CWE-284
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-35245 is a high vulnerability (CVSS 8.4) in Solarwinds Serv-u, published December 6, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.21%, the 68th percentile. No source names a fixed version.