CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HCVE-2021-22816
High (7.5) in schneider-electric. EPSS 0.9% chance of exploitation in the next 30 days.
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
Severity
- EPSS
- 0.9% chance of exploitation in the next 30 days; higher than 61% of CVEs (scores of 2026-10-31)
- CWE
- CWE-754
- Published
- Modified
- Record from
- the NVD, synced
Affected
- schneider-electric:scadapack_312e_firmware
- schneider-electric:scadapack_313e_firmware
- schneider-electric:scadapack_314e_firmware
- schneider-electric:scadapack_330e_firmware
- schneider-electric:scadapack_333e_firmware
- schneider-electric:scadapack_334e_firmware
- schneider-electric:scadapack_337e_firmware
- schneider-electric:scadapack_350e_firmware
- schneider-electric:scadapack_357e_firmware