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Fencer Vulns
medium 5.9

CVE-2025-7677 json

DOS attack possible

published 2025-08-11 14 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-24165

cvss
5.9
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 32%
public exploits
0
none known

Summary

A denial-of-service (DoS) attack is possible if access to the local network is provided to unauthorized users. This is due to a buffer copy issue that may lead to a software crash. This issue affects all versions of ASPECT.

Vendor advisories

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

cisa ICSA-25-252-02 updated cvss 5.9

ABB Cylon Aspect BMS/BAS

  • ABB ASPECT-Enterprise ASP-ENT-x <3.08.04-s01 ABB MATRIX Series MAT-x <3.08.04-s01 ABB NEXUS Series NEX-2x <3.08.04-s01 ABB NEXUS Series NEXUS-3-x <3.08.04-s01
    affected: mitigation “For more information refer to ABB's Cybersecurity Advisory 9AKK108471A4 462. The ABB advisory includes a detailed mapping of applicable mitigations for each listed vulnerability.” search.abb.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
no
Technical impact
partial
Assessed
14 mo ago

Exploit prediction

0.38% chance of exploitation in the next 30 days, higher than 32% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA 4.0 8.2 CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CNA 4.0 8.2 CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

  • ABB Aspect

Classification

Weakness
  • CWE-120 Buffer Copy without Checking Size of Input

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.