← Global Threat Landscape
CVE-2021-35247
CWE-20
Medium
65.7
RPSRPS range: 0–105; KEV-listed vulnerabilities can receive an exploitation amplifier.
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.
Source: NVD
Signals
- CVSS
- 4.3
- Medium · v3.1
- EPSS
- 3.45%
- Probability of exploitation in the next 30 days (FIRST)
- CISA KEV
- In CISA KEV since Jan 2022
- Fix commit
- No known fix commit
- Sources: MoreFixes, FreshFixes
- Weakness
- CWE-20
- Published
- 10 Jan 2022
- Last modified 27 Oct 2025
How to read these signals: RPS · EPSS · CISA KEV · Data sources
Get this score from the API
curl -H "Authorization: Bearer dsec_live_xxxxxxxx" \
https://api.intelligence.devsecure.io/api/v1/rps/CVE-2021-35247Replace the placeholder with your key. Get a free API key or rank your own CVEs.
Data as of 7 Oct 2026, 05:16 UK time