No exploitation reportedFix available

CVE-2015-1007

Q: Is CVE-2015-1007 actively exploited?

Active exploitation of CVE-2015-1007 has not been confirmed. Its EPSS score was 2.7% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2015-1007?

CVE-2015-1007 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2019-03-25
WeaknessCWE-119 · CWE-121

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A specially crafted configuration file could be used to cause a stack-based buffer overflow condition in the OPCTest.exe, which may allow remote code execution on Opto 22 PAC Project Professional versions prior to R9.4008, PAC Project Basic versions prior to R9.4008, PAC Display Basic versions prior to R9.4g, PAC Display Professional versions prior to R9.4g, OptoOPCServer version R9.4c and prior that were installed by PAC Project installer, versions prior to R9.4008, and OptoDataLink version R9.4d and prior that were installed by PAC Project installer, versions prior to R9.4008. Opto 22 suggests upgrading to the new product version as soon as possible.

Timeline

dates in UTC

2019-03-2519:29CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2015-1007?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2015-1007?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Opto22 optodatalink

Branch	Affected	Fixed in	Source
—	≤ r9.4d	no fix published	NVD

Opto22 optoopcserver

Branch	Affected	Fixed in	Source
—	≤ r9.4c	no fix published	NVD

Opto22 pac display

Branch	Affected	Fixed in	Source
—	< r9.4g	r9.4g	NVD

1 more product in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

ICSA-15-120-01 CISA12 known affected
Opto 22 Multiple Product Vulnerabilities
Opto 22 PAC Project Professional: <R9.4006 · Opto 22 PAC Project Basic: <R9.4006 · Opto 22 PAC Display Basic: <R9.4f · +9 more

Full record on NVD

Fix

Mitigation from the vendor CISA ICSA-15-120-01 · 12 productsOpto 22 has addressed the heap-based buffer overflow vulnerability in the PAC Project installer, Version 9.4006, which is used to install the affected products. Opto 22 has released a customer notification that discusses the heap-based buffer overflow vulnerability, which is available at the follow…
Mitigation from the vendor CISA ICSA-15-120-01 · 12 productsThe stack-based buffer overflow vulnerability has been addressed in the PAC Project installer, Version 9.4008, by removing the diagnostic tool, OPCTest.exe, from the installed software in the affected products. Opto 22 has released a customer notification that discusses the stack-based buffer overf…
Mitigation from the vendor CISA ICSA-15-120-01 · 12 productsOpto 22 suggests upgrading to the new product version, as soon as possible. Opto 22’s product downloads are available at the following URL:(http://www.opto22.com/site/downloads/dl_downloads.aspx)

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.07.8read 2026-10-23
NVDCVSS 2.09.3read 2026-10-23
CNAweakness (CWE)CWE-121read 2026-10-23
NVDweakness (CWE)CWE-119read 2026-10-23
FIRST EPSSEPSS score2.7 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published: 2019-03-25
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2015-1007?

Is CVE-2015-1007 actively exploited?

Active exploitation of CVE-2015-1007 has not been confirmed. Its EPSS score was 2.7% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2015-1007?

CVE-2015-1007 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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