CVE-2021-22816
Last modified
CVE-2021-22816 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 0.95% chance of exploitation in the next 30 days.
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
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| 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 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
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