CVE-2015-7939 json
Heap-based buffer overflow in Unitronics VisiLogic OPLC IDE before 9.8.09 allows remote attackers to execute arbitrary code via a long vlp…
published 2016-01-09 10 y ago modified 2026-06-17 4 mo ago also EUVD-2015-7837
- cvss
- 9.6
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 5.0%
- EPSS 5.0% chance of exploitation in 30 days, percentile 92%
- public exploits
- 0
- none known
Summary
Heap-based buffer overflow in Unitronics VisiLogic OPLC IDE before 9.8.09 allows remote attackers to execute arbitrary code via a long vlp filename.
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-15-274-02A updated cvss 9.8
Unitronics VisiLogic OPLC IDE Vulnerabilities (Update A)
-
Unitronics VisiLogic OPLC IDE <=9.8.0.00affected: mitigation “Update to the latest software package, VisiLogic V9.8.09 or newer. (http://www.unitronics.com/support/downloads)”
From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf
Exploit prediction
4.96% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 9.6 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H |
| NVD | 2.0 | 9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
-
ics-cert.us-cert.gov
/advisories/ICSA-15-274-02A
us-government-resource
- zerodayinitiative.com /advisories/ZDI-16-001
Sources
- CVE List CVE-2015-7939
- NVD CVE-2015-7939
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.