Vulnerability in Schneider-Electric Scadapack 312e
CVE-2021-22816
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: 0.009 (57.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Schneider-electric Scadapack_312e
- Schneider-electric Scadapack_312e_firmware
- Schneider-electric Scadapack_313e
- Schneider-electric Scadapack_313e_firmware
- Schneider-electric Scadapack_314e
- Schneider-electric Scadapack_314e_firmware
- Schneider-electric Scadapack_330e
- Schneider-electric Scadapack_330e_firmware
- Schneider-electric Scadapack_333e
- Schneider-electric Scadapack_333e_firmware
Weakness classification (CWE)
References
- cybersecurity@se.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-22816?
- CVE-2021-22816 is a high-severity vulnerability in Schneider-Electric Scadapack 312e, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 7.5/10. Published 2022-01-28.
- How severe is CVE-2021-22816?
- High severity. CVSS v3 base score is 7.5 out of 10.