CVE-2013-2784

Exp

Triangle Research International (aka Tri) Nano-10 PLC devices with firmware before r81 use an incorrect algorithm for bounds checking of data in Modbus/TCP packets, which allows remote attackers to cause a denial of service (networking outage) via a crafted packet to TCP port 502.

Published: 2013-07-10 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-2784 is rated High Exploit Risk (72.4/100): CVSS High severity, with medium exploitation likelihood (EPSS 4.04%). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2013-2784

EDB-ID Source Kind Published Link
26802 exploit_db edb 2013-07-13 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2013-2784

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 22.74% 4.04% -18.70%
2 2026-01-11 21.83% 22.74% +0.91%
3 2025-08-30 — 21.83% —

Full EPSS history (20 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-2784

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.8 2.0 HIGH
AV:N/AC:L/Au:N/C:N/I:N/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 6.9 [email protected]

Weakness enumeration for CVE-2013-2784

Affected software / configurations for CVE-2013-2784

Vendor Product Version Raw CPE
triplc nano-10_plc_firmware <= r80 cpe:2.3:o:triplc:nano-10_plc_firmware:*:*:*:*:*:*:*:*
triplc nano-10_plc — cpe:2.3:h:triplc:nano-10_plc:-:*:*:*:*:*:*:*

References for CVE-2013-2784

cvelogic Threat Intelligence