High severity · published Feb 4, 2022
CVE-2022-22724
A CWE-400: Uncontrolled Resource Consumption vulnerability exists that could cause a denial of service on ports 80 (HTTP) and 502 (Modbus), when sending a large number of TCP RST…
7.5
CVSS
0.9%
EPSS
No
On KEV
Description
A CWE-400: Uncontrolled Resource Consumption vulnerability exists that could cause a denial of service on ports 80 (HTTP) and 502 (Modbus), when sending a large number of TCP RST or FIN packets to any open TCP port of the PLC. Affected Product: Modicon M340 CPUs: BMXP34 (All Versions)
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 60% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MM
Modicon M340 Bmxp341000 Firmware · Schneider-electric
All versions, or not specified · source: NVD
MM
Modicon M340 Bmxp342000 Firmware · Schneider-electric
All versions, or not specified · source: NVD
MM
Modicon M340 Bmxp342010 Firmware · Schneider-electric
All versions, or not specified · source: NVD
MM
Modicon M340 Bmxp3420102 Firmware · Schneider-electric
All versions, or not specified · source: NVD
MM
Modicon M340 Bmxp342030 Firmware · Schneider-electric
All versions, or not specified · source: NVD
MM
Modicon M340 Bmxp3420302 Firmware · Schneider-electric
All versions, or not specified · source: NVD
Affected product
MM
Modicon M340 Bmxp341000 Firmware
Schneider-electric
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-22724
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-22724
Mitigation
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2022-011-01
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