medium4.3Known exploited
CVE-2021-35247
SolarWinds Serv-U Improper Input Validation Vulnerability
Exploited in the wild
This vulnerability is on a Known Exploited Vulnerabilities catalogue, added 2022-01-21. Federal due date: 2022-02-04.
Apply updates per vendor instructions.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Solarwinds | Serv-U | before 15.3 |
Weakness classification
References
- NVD record
- CVE.org record
- CISA KEV catalog
- 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