Serv-U File Server 15.3 release notes
Release date: January 19, 2022
These release notes describe the new features, improvements, and fixed issues in SolarWinds Serv-U File Server 15.3. They also provide information about upgrades and describe workarounds for known issues.
If you are looking for previous release notes for Serv-U File Server, see Previous Version documentation.
For details about the latest hotfixes, see Serv-U hotfixes.
Additional Serv-U documentation includes:
- Serv-U Installation and Upgrade Guide
- Serv-U 15.3 Administrator Guide
- System Requirements
- Getting Started with Serv-U
New features and improvements
Serv-U File Server 15.3 introduces the new Serv-U Web Client, which features:
- Update to modern UI without installing Java
- Drag and drop support for uploads
- Multiple file and folder upload / zip download
- New UI for File sharing (MFT only)
- Option to use new or legacy web client
- Security and stability improvements
For improved security, SHA256 is now used as the default setting for creating certificates.
The new documentation for the new web client can be found online and in the Administrator Guide.
Upgrade notes
Licensing
The Serv-U licensing framework has been updated since Serv-U 15.2.3 and a new license key now needs to be used to activate this product version.
If your Serv-U product maintenance is active, you can find your new license key generated on customer portal. Use this new license key to activate Serv-U after installation.
Solarwinds strongly recommend that you upgrade to this version with the new licensing framework as older framework will not be supported in the future.
Password security
If you are upgrading from version 15.1.7 or older, increased password security and automatically converts existing MD5 passwords using a more secure algorithm when users connect for the first time after upgrade.
If an account is not used within 90 days of the upgrade, access will be restricted and the user will not be able to log in afterward. The administrator will be required to change their password.
CVE fixed issues
SolarWinds would like to thank our Security Researchers below for reporting on this issue in a responsible manner and working with our security, product, and engineering teams to fix the vulnerability.
| CVE-ID | Vulnerability Title | Description | Severity | Credit |
|---|---|---|---|---|
| CVE-2021-35247 | Improper Input Validation Vulnerability |
The Serv-U web login screen to LDAP authentication was allowing characters that were not sufficiently sanitized. SolarWinds has updated the input mechanism to perform additional validation and sanitization. Please Note: No downstream affect has been detected as the LDAP servers ignored improper characters |
4.3 Medium | Jonathan Bar Or of Microsoft (@yo_yo_yo_jbo) |
Deprecation notices
In Serv-U 15.3, the following platforms and features are deprecated.
Deprecated platforms and features are still supported in the current release. However, they will be unsupported in future release. Plan on upgrading deprecated platforms, and avoid using deprecated features. Customizations applied to a deprecated feature might not be migrated if a new feature replaces the deprecated one.
See the End of Life Policy for information about SolarWinds product life cycle phases. To see EoL dates for earlier Serv-U versions, see Serv-U release history.
| Deprecations |
|---|
| Java-based Serv-U web client modules FTP Voyager JV and Web Client Pro will be replaced by new Serv-U web client in next version. These modules are still available in version 15.3 together with new Serv-U web client to support migration path. |
| TLS 1.1 and older will be removed from the product. |
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