Is CVE-2013-2821 being actively exploited?

CVE-2013-2821 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2013-2821?

CVE-2013-2821 has a CVSS 2.0 base score of 7.1 (HIGH).

CVE-2013-2821

HIGH · CVSS 7.1EPSS 1.3%EU EUVD

NovaTech Orion Substation Automation Platform OrionLX DNP Master 1.27.38 and DNP Slave 1.23.10 and earlier and Orion5/Orion5r DNP Master 1.27.38 and DNP Slave 1.23.10 and earlier allow remote attackers to cause a denial of service (driver crash and process restart) via a crafted DNP3 TCP packet.

Key facts

CVSS score: 7.1 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:M/Au:N/C:N/I:N/A:C
Weakness (CWE): CWE-20
EPSS score: 1.3% (70th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2013-2760)
Published: December 21, 2013
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2013-2760 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

novatech / orion5 dnp master
novatech / orion5 dnp slave
novatech / orion5r dnp master
novatech / orion5r dnp slave
novatech / orionlx dnp master
novatech / orionlx dnp slave

References

http://ics-cert.us-cert.gov/advisories/ICSA-13-352-01(US Government Resource)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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