VULNERABILITY INTELLIGENCE
CVE-2021-22816
CVSS score7.5 HIGH
EPSS probability0.95%
CISA KEVNot currently listed
Published2022-01-28
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists that could cause a Denial of Service of the RTU when receiving a specially crafted request over Modbus, and the RTU is configured as a Modbus server. Affected Products: SCADAPack 312E, 313E, 314E, 330E, 333E, 334E, 337E, 350E and 357E RTUs with firmware V8.18.1 and prior
Weakness classification
- nvd@nist.gov: CWE-754
Primary references
- cybersecurity@se.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory