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Fencer Vulns
high 7.3

CVE-2020-12525 json

WAGO/M&M Software Deserialization of untrusted data in fdtCONTAINER component

published 2021-01-22 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-4827

cvss
7.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 71%
public exploits
0
none known

Summary

M&M Software fdtCONTAINER Component in versions below 3.5.20304.x and between 3.6 and 3.6.20304.x is vulnerable to deserialization of untrusted data in its project storage.

Patch / fix

  • M&M Software fdtCONTAINER Component 3.5, 3.5.20304.x, 3.6.20304.x
  • M&M Software fdtCONTAINER Application 4.5, 4.5.20304.x, 4.6.20304.x

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-21-194-02 updated cvss 7.3

Schneider Electric Modicon Controllers and Software (Update A)

  • Schneider Electric Software, LLC EcoStruxure Control Expert 15.0 SP1, < 15.0 SP1 Schneider Electric Software, LLC EcoStruxure Process Expert Schneider Electric Software, LLC Modicon M340 CPU (part numbers BMXP34*) Schneider Electric Software, LLC Modicon M580 CPU (part numbers BMEP* and BMEH*) Schneider Electric Software, LLC SCADAPack RemoteConnect for x70
    affected: mitigation

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

cisa ICSA-21-021-05 updated cvss 7.3

WAGO M&M Software fdtCONTAINER (Update C)

  • M&M Software GmbH, WAGO Kontakttechnik dtmINSPECTOR 3 (Based on FDT 1.2.x) M&M Software GmbH, WAGO Kontakttechnik Emerson Rosemount Transmitter Interface Software (RTIS) SKUs 04088-9000-0001, 4088-9000-0002, 7000003-312 M&M Software GmbH, WAGO Kontakttechnik fdtCONTAINER >= 4.6.0, =< 4.6.20304.x, >= 3.5.0, =< 3.5.20304.x, >= 4.5.0, =< 3.5.20304.x, < 3.5 M&M Software GmbH, WAGO Kontakttechnik Mitsubishi Electric MELSOFT FieldDeviceConfigurator <= 1.05 F M&M Software GmbH, WAGO Kontakttechnik PEPPERL+FUCHS PACTware => 5.0, <= 5.0.5.31 M&M Software GmbH, WAGO Kontakttechnik Weidmüller WI Manager <= 2.5.1
    affected: vendor fix, mitigation “The CERT@VDE advisory for M&M Software also recommends the following mitigation practices:” cert.vde.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

1.36% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 7.3 CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

  • M&M Software fdtCONTAINER Component
  • M&M Software fdtCONTAINER Application
  • M&M Software dtmlINSPECTOR
  • Pepperl+Fuchs/PACTware PACTware
  • Weidmüller WI Manager

Classification

Weakness
  • CWE-502 Deserialization of Untrusted Data

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.