CVE-2021-35247
CVSS v3
5.3
MEDIUM
EPSS Score
2.9 %
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
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.
CISA Known Exploited Vulnerability
- Date Added
- 2022-01-21
- Patch Due Date
- 2022-02-04
- Ransomware Use
- Unknown
Technical details
- Published
- 2022-01-10
Frequently asked questions
What is CVE-2021-35247?
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.
Is CVE-2021-35247 actively exploited?
Yes. CVE-2021-35247 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2022-02-04.
What is the CVSS score for CVE-2021-35247?
CVE-2021-35247 has a CVSS v3 base score of 5.3 (MEDIUM severity).
Is CVE-2021-35247 affecting your environment?
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