CVE-2021-22816

Common vulnerabilities & exposures (CVE)

CVE database CVE database blogpost Release & EoL database

Published at: - 28-01-2022 09:15

Last modified: - 03-02-2022 02:31

Total changes: - 3

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

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Low

Attack complexity

Network

Attack vector

High

Availability

None

Confidentiality

None

Integrity

None

Privileges required

Unchanged

Scope

None

User interaction

7.5

Base score

3.9

3.6

Exploitability score

Impact score

Verification logic

AND

vendor=schneider-electric AND product=scadapack_312e_firmware AND versionEndExcluding=8.19.1

vendor=schneider-electric AND product=scadapack_312e AND version=-

AND

vendor=schneider-electric AND product=scadapack_313e_firmware AND versionEndExcluding=8.19.1

vendor=schneider-electric AND product=scadapack_313e AND version=-

AND

vendor=schneider-electric AND product=scadapack_314e_firmware AND versionEndExcluding=8.19.1

vendor=schneider-electric AND product=scadapack_314e AND version=-

AND

vendor=schneider-electric AND product=scadapack_330e_firmware AND versionEndExcluding=8.19.1

vendor=schneider-electric AND product=scadapack_330e AND version=-

AND

vendor=schneider-electric AND product=scadapack_333e_firmware AND versionEndExcluding=8.19.1

vendor=schneider-electric AND product=scadapack_333e AND version=-

AND

vendor=schneider-electric AND product=scadapack_334e_firmware AND versionEndExcluding=8.19.1

vendor=schneider-electric AND product=scadapack_334e AND version=-

AND

vendor=schneider-electric AND product=scadapack_337e_firmware AND versionEndExcluding=8.19.1

vendor=schneider-electric AND product=scadapack_337e AND version=-

AND

vendor=schneider-electric AND product=scadapack_350e_firmware AND versionEndExcluding=8.19.1

vendor=schneider-electric AND product=scadapack_350e AND version=-

AND

vendor=schneider-electric AND product=scadapack_357e_firmware AND versionEndExcluding=8.19.1

vendor=schneider-electric AND product=scadapack_357e AND version=-

Reference

https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-313-01

Keywords

CVE-2021-22816

Common vulnerabilities & exposures (CVE)

Description

Common Vulnerability Scoring System (CVSS)

Verification logic

Reference

NVD

CVE-2021-22816

CVE

Common vulnerabilities & exposures

CVSS

Common vulnerability scoring system

Security

Vulnerabilities

Exposures