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Rewterz Threat Advisory – Multiple SolarWinds Serv-U File Server Vulnerabilities

Severity

Medium

Analysis Summary

CVE-2021-35245

SolarWinds Serv-U File Server could allow a remote authenticated attacker to bypass security restrictions, caused by improper access control. By sending a specially-crafted request, an attacker could exploit this vulnerability to move, create, and delete any files outside the home directory.

CVE-2021-35242

SolarWinds Serv-U File Server is vulnerable to cross-site request forgery, caused by improper validation of user-supplied input. By persuading an authenticated user to visit a malicious Web site, a remote attacker could send a malformed HTTP request to perform unauthorized actions. An attacker could exploit this vulnerability to perform cross-site scripting attacks, Web cache poisoning, and other malicious activities.

Impact

  • Security Bypass
  • Unauthorized Access

Affected Vendors

SolarWinds

Affected Products

  • SolarWinds Serv-U File Server 15.2.4

Remediation

Upgrade to the latest version of Serv-U File Server, available from the SolarWinds Web site.

https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-2-5_release_notes.htm

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