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Fencer Intel
high 7.1

CVE-2013-2791 json

MatrikonOPC SCADA DNP3 OPC Server 1.2.0 allows remote attackers to cause a denial of service (master-station daemon crash) via a malformed…

published 13y ago modified 4mo ago also EUVD-2013-2730

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

MatrikonOPC SCADA DNP3 OPC Server 1.2.0 allows remote attackers to cause a denial of service (master-station daemon crash) via a malformed DNP3 TCP packet from the IP address of an outstation.

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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-13-213-04A updated cvss 7.1

MatrikonOPC SCADA DNP3 Master Station Improper Input Validation

  • MatrikonOPC SCADA DNP3 OPC Server >=1.2.0
    affected: mitigation “The researchers suggest the following mitigation: Block DNP3 traffic from traversing onto business or corporate networks through the use of an IPS or firewall with DPN3-specific rule sets.”

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-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

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.