How severe is CVE-2013-2783?

CVE-2013-2783 has a CVSS 2.0 base score of 7.1, rated high severity.

Is CVE-2013-2783 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-2783?

CVE-2013-2783 affects Ioserver. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2013-2783?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2013-2783 published?

CVE-2013-2783 was published on 2013-06-14 and last updated on 2026-06-16.

CVE-2013-2783

CVE-2013-2783 is a high-severity vulnerability in Ioserver with a CVSS 2.0 base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 2.0 base score 7.1)
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Ioserver
Published: 2013-06-14
Last modified: 2026-06-16

Description

The DNP3 driver in IOServer drivers 1.0.19.0 allows remote attackers to cause a denial of service (infinite loop) or obtain unspecified control via crafted data to TCP port 20000.

Frequently asked questions

What is CVE-2013-2783?: The DNP3 driver in IOServer drivers 1.0.19.0 allows remote attackers to cause a denial of service (infinite loop) or obtain unspecified control via crafted data to TCP port 20000.
How severe is CVE-2013-2783?: CVE-2013-2783 has a CVSS 2.0 base score of 7.1, rated high severity.
Is CVE-2013-2783 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-2783?: CVE-2013-2783 affects Ioserver. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2013-2783?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2013-2783 published?: CVE-2013-2783 was published on 2013-06-14 and last updated on 2026-06-16.

References

http://ics-cert.us-cert.gov/advisories/ICSA-13-161-01

Affected products (1)

cpe:2.3:a:ioserver:ioserver:1.0.19.0:*:*:*:*:*:*:*

More vulnerabilities in Ioserver

CVE-2013-2790 — High (CVSS 7.8): The master-station DNP3 driver before driver19.exe, and Beta2041.exe, in IOServer allows remote attackers to cause a…
CVE-2014-5425 — Medium (CVSS 5.0): IOServer before Beta2112.exe allows remote attackers to cause a denial of service (out-of-bounds read and master entry…
CVE-2012-4680 — Medium (CVSS 4.3): Directory traversal vulnerability in the XML Server in IOServer before 1.0.19.0, when the Root Directory pathname lacks…

All CVEs affecting Ioserver →

Other CWE-20 (Improper Input Validation) vulnerabilities

CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…

Browse all CWE-20 (Improper Input Validation) vulnerabilities →