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Fencer Vulns
medium 5.3

CVE-2024-28957 json

Generation of predictable identifiers issue exists in Cente middleware TCP/IP Network Series.

published 2024-04-15 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-26019

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 55%
public exploits
0
none known

Summary

Generation of predictable identifiers issue exists in Cente middleware TCP/IP Network Series. If this vulnerability is exploited, a remote unauthenticated attacker may interfere communications by predicting some packet header IDs of the device.

Vendor advisories

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

cisa ICSA-24-263-02 updated cvss 5.3

IDEC Products (Update A)

  • IDEC Corporation FC6A Series MICROSmart All-in-One CPU module <=Ver.2.60 IDEC Corporation FC6A Series MICROSmart Plus CPU module <=Ver.2.40 IDEC Corporation FC6B Series MICROSmart All-in-One CPU module <=Ver.2.60 IDEC Corporation FC6B Series MICROSmart Plus CPU module <=Ver.2.60 IDEC Corporation SX8R Bus Coupler Module <=Ver.2.1.0
    affected: vendor fix, mitigation “Apply the appropriate software update according to the information provided by the developer:” us.idec.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

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.76% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CNA 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected products

  • DMG MORI Digital Co., LTD. and NEXT Co., Ltd. Cente TCP/IPv4
  • DMG MORI Digital Co., LTD. and NEXT Co., Ltd. Cente TCP/IPv4 SNMPv2
  • DMG MORI Digital Co., LTD. and NEXT Co., Ltd. Cente TCP/IPv4 SNMPv3
  • DMG MORI Digital Co., LTD. and NEXT Co., Ltd. Cente IPv6
  • DMG MORI Digital Co., LTD. and NEXT Co., Ltd. Cente IPv6 SNMPv2
  • DMG MORI Digital Co., LTD. and NEXT Co., Ltd. Cente IPv6 SNMPv3
  • cente ipv6
  • cente ipv6_snmpv2
  • cente ipv6_snmpv3
  • cente ipv4snmpv2
  • cente ipv4snmpv3
  • cente ipv4

Classification

Weakness
  • CWE-340 Generation of Predictable Numbers or Identifiers

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.