CVE-2013-2790: The master-station DNP3 driver before driver19.exe, and Beta2041.exe, in IOServer allows remote attackers to c

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HIGH 7.8MITIGATE

CVE-2013-2790 is a high-severity flaw (CVSS 7.8) affecting ioserver. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The master-station DNP3 driver before driver19.exe, and Beta2041.exe, in IOServer allows remote attackers to cause a denial of service (infinite loop) via crafted DNP3 packets to TCP port 20000.

Why this priority

High severity

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

Risk facts

CVSS score	7.8 (High)
EPSS exploit chance	1.5% (top 26%)
CISA exploited list	No
Weakness	CWE-20
Published	2013-08-13
Last modified	2026-06-16

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

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

Am I affected?

Timeline

2013-08-13 15:04 UTCPublished CVE record published
2026-06-16 23:53 UTCUpdated Record last modified

ioserver ioserver MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy ioserver || rpm -q ioserver || ioserver --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

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-2013-2790?

ioserver: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2013-2790 being exploited?

CVE-2013-2790 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-2013-2790 affect?

CVE-2013-2790 affects ioserver. Severity is high (CVSS 7.8). The master-station DNP3 driver before driver19.exe, and Beta2041.exe, in IOServer allows remote attackers to cause a denial of service (infinite loop) via crafted DNP3 packets to TCP port 20000.

How urgent is CVE-2013-2790?

Priority 46/100. High severity

Related CVEs

CVE-2014-5425 MEDIUM 5.0 UPGRADE IOServer before Beta2112.exe allows remote attackers to cause a denial of service (out-of-bounds read and mast
CVE-2013-2783 HIGH 7.1 DOWNGRADE The DNP3 driver in IOServer drivers 1.0.19.0 allows remote attackers to cause a denial of service (infinite lo
CVE-2012-4680 MEDIUM 4.3 MITIGATE Directory traversal vulnerability in the XML Server in IOServer before 1.0.19.0, when the Root Directory pathn

References

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