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CVE-2023-40221

Socomec MOD3GP-SY-120K Code Injection

High8.8EPSS 0.65%
Published
Updated
Reserved
Assigned by
icscert

Description

The absence of filters when loading some sections in the web application of the vulnerable device allows potential attackers to inject malicious code that will be interpreted when a legitimate user accesses the web section (MAIL SERVER) where the information is displayed. Injection can be done on parameter MAIL_RCV. When a legitimate user attempts to review NOTIFICATION/MAIL SERVER, the injected code will be executed.

Timeline

  1. ID reserved

    By icscert

  2. · 12 days later

    Published

  3. · 11 months later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2023-40221, by who scored it
Scored byCVSSScoreVector
icscertCNA (assigner)3.1High8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVDNVD · Modified3.1High8.8CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS (exploitation in 30 days)
0.65% · top 49% of all CVEs (7 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: total
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.

Weakness

Affected products

What to do

Solution: Socomec reports that MODULYS GP (MOD3GP-SY-120K) is an End-of-Life product. Socomec recommends using MODULYS GP2 (M4-S-XXX) instead. MODULYS GP2 (M4-S-XXX) is not affected by the above vulnerabilities.

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .