#VU59659 LDAP injection in Serv-U FTP Server - CVE-2021-35247

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Main Vulnerability Database Vulnerabilities #VU59659

#VU59659 LDAP injection in Serv-U FTP Server - CVE-2021-35247

Published: January 17, 2022 / Updated: February 20, 2022


Vulnerability identifier: #VU59659
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:A/U:Clear
CVE-ID: CVE-2021-35247
CWE-ID: CWE-90
Exploitation vector: Remote access
Exploit availability: The vulnerability is being exploited in the wild
Vulnerable software:
Serv-U FTP Server
Software vendor:
SolarWinds

Description

The vulnerability allows a remote attacker to send unexpected characters to the LDAP server.

The vulnerability exists due to improper input validation when processing DLAP queries in Serv-U web login screen. A remote non-authenticated attacker can send a specially crafted request that can bypass implemented filtration and influence the initial LDAP query.

Note: No downstream affect has been detected as the LDAP servers ignored improper characters.


Remediation

Install updates from vendor's website.

External links