CVE-2018-7821 — Allocation of Resources Without Limits or Throttling in Modicon M221 Firmware

CWE-770 — Allocation of Resources Without Limits or Throttling3 documents3 sources
Severity
7.5HIGHNVD
EPSS
0.5%
top 32.47%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Schneider-electric Modicon M221 Firmware
Timeline
PublishedMay 22
Latest updateMay 24

Description

An Environment (CWE-2) vulnerability exists in SoMachine Basic, all versions, and Modicon M221(all references, all versions prior to firmware V1.10.0.0) which could cause cycle time impact when flooding the M221 ethernet interface while the Ethernet/IP adapter is activated.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages1 packages

🔴Vulnerability Details

2
GHSA
GHSA-cr3f-ppw7-pmqf: An Environment (CWE-2) vulnerability exists in SoMachine Basic, all versions, and Modicon M221(all references, all versions prior to firmware V1↗2022-05-24
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CVEList
CVE-2018-7821: An Environment (CWE-2) vulnerability exists in SoMachine Basic, all versions, and Modicon M221(all references, all versions prior to firmware V1↗2019-05-22
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CVE-2018-7821 — Modicon M221 Firmware vulnerability | cvebase