CVE-2021-35247

MediumCVSS 5.3/10Known exploited (CISA KEV)Last modified Jun 17, 2026

Description

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. To insure proper input validation is completed in all environments. SolarWinds recommends scheduling an update to the latest version of Serv-U.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Jan 10, 2022
Last modified
Jun 17, 2026
Added to CISA KEV
Jan 21, 2022
NVD status
Analyzed

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CVE-2021-35247: Medium severity, CVSS 5.3 | Vulnix