CVE-2013-0666: The configuration utility in MatrikonOPC Security Gateway 1.0 allows remote attackers to cause a denial of ser

Routine

MEDIUM 5.0DOWNGRADE

CVE-2013-0666 is a medium-severity flaw (CVSS 5.0) affecting matrikonopc security gateway. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The configuration utility in MatrikonOPC Security Gateway 1.0 allows remote attackers to cause a denial of service (unhandled exception and application crash) via a TCP RST packet.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	1.4% (top 28%)
CISA exploited list	No
Weakness	CWE-399
Published	2013-05-01
Last modified	2026-06-16

Publisher (CNA): ICS-CERT · Vendor: matrikonopc

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2013-05-01 12:00 UTCPublished CVE record published
2026-06-16 23:49 UTCUpdated Record last modified

matrikonopc matrikonopc security gateway DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy matrikonopc-security-gateway || rpm -q matrikonopc-security-gateway || matrikonopc-security-gateway --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison matrikonopc-security-gateway sudo apt install matrikonopc-security-gateway=<VERSION_BEFORE_1.0> sudo apt-mark hold matrikonopc-security-gateway

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list matrikonopc-security-gateway sudo dnf downgrade matrikonopc-security-gateway-<VERSION_BEFORE_1.0> sudo dnf versionlock add matrikonopc-security-gateway

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2013-0666?

matrikonopc security gateway: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2013-0666 being exploited?

CVE-2013-0666 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2013-0666 affect?

CVE-2013-0666 affects matrikonopc security gateway. Severity is medium (CVSS 5.0). The configuration utility in MatrikonOPC Security Gateway 1.0 allows remote attackers to cause a denial of service (unhandled exception and application crash) via a TCP RST packet.

How urgent is CVE-2013-0666?

Priority 35/100. No elevated risk signals yet.

References

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