CVE-2013-2821
CVE-2013-2821 is a high-severity vulnerability in Novatech Orion5 Dnp Master 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: Novatech Orion5 Dnp Master
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2013-2821?
- 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.
- How severe is CVE-2013-2821?
- CVE-2013-2821 has a CVSS 2.0 base score of 7.1, rated high severity.
- Is CVE-2013-2821 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-2013-2821?
- CVE-2013-2821 primarily affects Novatech Orion5 Dnp Master. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2013-2821?
- 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-2013-2821 published?
- CVE-2013-2821 was published on 2013-12-21 and last updated on 2026-06-16.
References
Affected products (6)
- cpe:2.3:h:novatech:orion5_dnp_master:1.27.38:*:*:*:*:*:*:*
- cpe:2.3:h:novatech:orion5_dnp_slave:1.23.10:*:*:*:*:*:*:*
- cpe:2.3:h:novatech:orion5r_dnp_master:1.27.38:*:*:*:*:*:*:*
- cpe:2.3:h:novatech:orion5r_dnp_slave:1.23.10:*:*:*:*:*:*:*
- cpe:2.3:h:novatech:orionlx_dnp_master:1.27.38:*:*:*:*:*:*:*
- cpe:2.3:h:novatech:orionlx_dnp_slave:1.23.10:*:*:*:*:*:*:*
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- CVE-2013-2822 — Medium (CVSS 4.7): NovaTech Orion Substation Automation Platform OrionLX DNP Master 1.27.38 and DNP Slave 1.23.10 and earlier and…
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