CVE-2021-22816
HIGHSchneider Electric SCADAPack E-Series Firmware < 8.19.1 - Denial of Service via Crafted Modbus Request
Title source: llmDescription
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
References (1)
Core 1
Core References
Vendor Advisory x_refsource_misc
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-313-01
Scores
CVSS v3
7.5
EPSS
0.0037
EPSS Percentile
58.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-754
Status
published
Products (9)
schneider-electric/scadapack_312e_firmware
< 8.19.1
schneider-electric/scadapack_313e_firmware
< 8.19.1
schneider-electric/scadapack_314e_firmware
< 8.19.1
schneider-electric/scadapack_330e_firmware
< 8.19.1
schneider-electric/scadapack_333e_firmware
< 8.19.1
schneider-electric/scadapack_334e_firmware
< 8.19.1
schneider-electric/scadapack_337e_firmware
< 8.19.1
schneider-electric/scadapack_350e_firmware
< 8.19.1
schneider-electric/scadapack_357e_firmware
< 8.19.1
Published
Jan 28, 2022
Tracked Since
Feb 18, 2026