CVE-2015-1006

A vulnerable file in Opto 22 PAC Project Professional versions prior to R9.4006, PAC Project Basic versions prior to R9.4006, PAC Display Basic versions prior to R9.4f, PAC Display Professional versions prior to R9.4f, OptoOPCServer versions prior to R9.4c, and OptoDataLink version R9.4d and prior versions that were installed by PAC Project installer, versions prior to R9.4006, is susceptible to a heap-based buffer overflow condition that may allow remote code execution on the target system. Opto 22 suggests upgrading to the new product version as soon as possible.

Published: 2019-05-10 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2015-1006 is rated High Risk (75.7/100): CVSS Critical severity, with high exploitation likelihood (EPSS 5.34%, 92th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +4.48% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize remediation.

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

Exploit prediction scoring system (EPSS) score for CVE-2015-1006

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 0.86% 5.34% +4.48%
2 2025-09-24 1.10% 0.86% -0.24%
3 2025-09-14 — 1.10% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-1006

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.0 CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 5.9 [email protected]
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/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:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 10.0 [email protected]

Weakness enumeration for CVE-2015-1006

Affected software / configurations for CVE-2015-1006

Vendor Product Version Raw CPE
opto22 optodatalink < r9.4d cpe:2.3:a:opto22:optodatalink:*:*:*:*:*:*:*:*
opto22 optoopcserver < r9.4c cpe:2.3:a:opto22:optoopcserver:*:*:*:*:*:*:*:*
opto22 pac_display < r9.4f cpe:2.3:a:opto22:pac_display:*:*:*:*:basic:*:*:*
opto22 pac_display < r9.4f cpe:2.3:a:opto22:pac_display:*:*:*:*:professional:*:*:*
opto22 pac_project < r9.4006 cpe:2.3:a:opto22:pac_project:*:*:*:*:basic:*:*:*
opto22 pac_project < r9.4006 cpe:2.3:a:opto22:pac_project:*:*:*:*:professional:*:*:*

References for CVE-2015-1006

URL Tags
https://ics-cert.us-cert.gov/advisories/ICSA-15-120-01 Mitigation Third Party Advisory US Government Resource
cvelogic Threat Intelligence