{"cve":"CVE-2021-35247","nvd":{"published":"2022-01-10T14:10:17.667","modified":"2026-06-17T03:57:22.850","status":"Analyzed","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","score":5.3},"cwes":["CWE-20"],"references":["https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-3_release_notes.htm","https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35247","https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-3_release_notes.htm","https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35247","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-35247"],"products":["solarwinds:serv-u"],"source":"nvd","synced_at":"2026-10-19T21:26:33.761856376+00:00"},"epss":{"cve":"CVE-2021-35247","score":0.03672,"percentile":0.89662,"date":"2026-10-31"},"kev":{"cve":"CVE-2021-35247","date_added":"2022-01-21","due_date":"2022-02-04","vendor":"SolarWinds","product":"Serv-U","known_ransomware":false},"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}