What’s Vulnerable › Vulnerabilities

CVE-2021-35245: Broken Access Control Vulnerability for SolarWinds Serv-U

• Severity: medium (CVSS 6.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-12-06 · updated 2026-06-17
• Weakness: CWE-284

Description

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.

Affected products

• SolarWinds Serv-U: before 15.2.4; 15.2.4-hotfix1, 15.2.5 — fixed in 15.2.4

How to fix

Upgrade to a fixed version: SolarWinds Serv-U 15.2.4. Check the vendor advisory for mitigations.

References

• https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-2-5_release_notes.htm
• https://www.solarwinds.com/trust-center/security-advisories/CVE-2021-35245
• https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-2-5_release_notes.htm
• https://www.solarwinds.com/trust-center/security-advisories/CVE-2021-35245

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