All vulnerabilities
CVE-2021-35247

SolarWinds Serv-U Improper Input Validation Vulnerability

SolarWinds Serv-UNetwork & edge
Open in ThreatlineRecord JSON
CVSS
4.3Medium
ExploitationExploited in the wildAdded to KEV 21 Jan 2022CISA KEV
Exploit odds (EPSS)3.45%Chance of exploitation activity in the next 30 days, higher than 88% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in15.3Fixed versionCVE List
Federal deadline4 Feb 2022Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions. CISA KEV

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Timeline

  1. 7 Jan 2022, 22:39 UTCPublishedCVE List
  2. 21 Jan 2022Added to CISA KEVCISA KEV

Description

SolarWinds Serv-U versions 15.2.5 and earlier contain an improper input validation vulnerability that allows attackers to build and send queries without sanitization.

Text from CVE List

Affected versions 1

  • Serv-Uaffected: 15.2.5 and previous versions before 15.3CVE List

References 4