SolarWinds Serv-U Improper Input Validation Vulnerability

Technical Severity

CVSS v3.1 Metrics

MEDIUM

4.3 / 10

Minimal Risk Critical

Vector Specification

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Exploitation Likelihood

EPSS Prediction

2.92 %

Predictive Probability

Percentile Rank

86.1 th

Documented as more likely to be exploited than 86.1% of known CVEs.

Detection Date

Jan 21, 2022

Remediation Due

Feb 04, 2022

CISA Catalog Active

Threat Analysis

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.

Remediation Directive

Apply updates per vendor instructions.

Asset Context

Vendor Identity

SolarWinds

Affected Product

Serv-U

Ransomware Status

Campaign Use Unknown

Weakness Classification

CWE-20

External Intelligence

NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2021-35247