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Fencer Intel
high 7.1

CVE-2013-2804 json

The DNP Master Driver in Software Toolbox TOP Server before 5.12.140.0 allows remote attackers to cause a denial of service (master-station…

published 13y ago modified 4mo ago also EUVD-2013-2743

cvss
7.1
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 69%
public exploits
0
none known

Summary

The DNP Master Driver in Software Toolbox TOP Server before 5.12.140.0 allows remote attackers to cause a denial of service (master-station infinite loop) via crafted DNP3 packets to TCP port 20000 and allows physically proximate attackers to cause a denial of service (master-station infinite loop) via crafted input over a serial line.

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Vendor advisories

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

cisa ICSA-13-234-02 updated cvss 7.1

Top Server OPC Improper Input Validation Vulnerability

  • Software Toolbox DNP Master Driver for the TOP Server OPC Server <=5.11.250.0
    affected: mitigation “The most current version of TOP Server available is Version 5.12.142.0 R2 (issued August 5, 2013): (http://www.toolboxopc.com/html/support.asp).”

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

1.26% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 7.1 AV:N/AC:M/Au:N/C:N/I:N/A:C

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Intel 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.