CVE & CISA-KEV Catalog

CVE-2022-33324

HIGHEPSS 74th pctl
7.5
CVSS v3
NVD

Description

Improper Resource Shutdown or Release vulnerability in Mitsubishi Electric Corporation MELSEC iQ-R Series R00/01/02CPU Firmware versions "32" and prior, Mitsubishi Electric Corporation MELSEC iQ-R Series R04/08/16/32/120(EN)CPU Firmware versions "65" and prior, Mitsubishi Electric Corporation MELSEC iQ-R Series R08/16/32/120SFCPU Firmware versions "29" and prior, Mitsubishi Electric Corporation MELSEC iQ-R Series R08/16/32/120PSFCPU Firmware versions "08" and prior, Mitsubishi Electric Corporation MELSEC iQ-R Series R12CCPU-V Firmware versions "17" and prior, Mitsubishi Electric Corporation MELSEC iQ-L Series L04/08/16/32HCPU Firmware versions "05" and prior and Mitsubishi Electric Corporation MELIPC Series MI5122-VW Firmware versions "07" and prior allows a remote unauthenticated attacker to cause a Denial of Service condition in Ethernet communication on the module by sending specially crafted packets. A system reset of the module is required for recovery.

CWE-404

How to fix

Remediation Available
melsec iq-r r00 cpu firmwareNVD
Affected:< 33.0Fixed in:33.0CVE-2022-33324derived from NVD
melsec iq-r r01 cpu firmwareNVD
Affected:< 33.0Fixed in:33.0CVE-2022-33324derived from NVD
melsec iq-r r02 cpu firmwareNVD
Affected:< 33.0Fixed in:33.0CVE-2022-33324derived from NVD
melsec iq-r r04 cpu firmwareNVD
Affected:< 66.0Fixed in:66.0CVE-2022-33324derived from NVD
melsec iq-r r08 cpu firmwareNVD
Affected:< 66.0Fixed in:66.0CVE-2022-33324derived from NVD
melsec iq-r r120 cpu firmwareNVD
Affected:< 66.0Fixed in:66.0CVE-2022-33324derived from NVD
melsec iq-r r16 cpu firmwareNVD
Affected:< 66.0Fixed in:66.0CVE-2022-33324derived from NVD
melsec iq-r r32 cpu firmwareNVD
Affected:< 66.0Fixed in:66.0CVE-2022-33324derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

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

Exploit Intelligence

1.67%probability of exploitation in 30 days
74thpercentile

Elevated risk: more likely to be exploited than 74% of all known CVEs.

References

Patch1
Vendor Advisory1
Third-Party Advisory1
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.