CVE-2018-7839
No exploitation reported by the sources we read.
- Published2019-02-06
- WeaknessCWE-310
Am I affected?
Debian, Ubuntu or Red Hat sometimes backport a fix without changing the upstream version number: such a version reads « to verify », never « 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 Cryptographic Issue (CWE-310) vulnerability exists in IIoT Monitor 3.1.38 which could allow information disclosure.
Timeline
dates in UTC- 2019-02-0623:29CVE publishedNVD
Observed activity
isMalicious corpus · updated 2026-10-23 18:48 UTCBlock these indicators
- Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2018-7839?format=txt
- CSV export: https://api.ismalicious.com/edl/cve/CVE-2018-7839?format=csv
- TAXII collection of exploited CVEs
- The EDL and CSV take an API key on the Pro plan.
Versions per branch
NVD| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 3.1 | = 3.1.38 | no fix published | NVD |
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
Schneider Electric IIoT Monitor (Update A)
IIoT Monitor: Versions 3.1.38 and prior
Fix
- Mitigation from the vendor CISA ICSA-19-008-02 · 1 productSchneider Electric recommends that affected users contact Schneider Electric customer support at https://www.schneider-electric.com/en/work/support/contacts.jsp for assistance in migrating to the latest software to resolve the issues.
- Mitigation from the vendor CISA ICSA-19-008-02 · 1 productSchneider Electric has also released a security notification
- Mitigation from the vendor CISA ICSA-19-008-02 · 1 productSchneider Electric strongly recommends implementing industry cybersecurity best practices
- Mitigation from the vendor CISA ICSA-19-008-02 · 1 productLocate control and safety system networks and remote devices behind firewalls, and isolate them from the business network.
- Mitigation from the vendor CISA ICSA-19-008-02 · 1 productPhysical controls should be in place so that no unauthorized person would have access to the ICS and safety controllers, peripheral equipment or the ICS and safety networks.
- Mitigation from the vendor CISA ICSA-19-008-02 · 1 productAll controllers should reside in locked cabinets and never be left in the “Program” mode.
Advisories and patches
- www.schneider-electric.comVendor Advisory
Detection
- Nuclei template
- none so far ProjectDiscovery
- Exploit-DB
- no entry Exploit-DB
- Proof-of-concept repositories
- none listed PoC-in-GitHub
Sources
- NVDCVSS 3.05.5read 2026-10-23
- NVDCVSS 2.02.1read 2026-10-23
- NVDweakness (CWE)CWE-310read 2026-10-23
- FIRST EPSSEPSS score0.3 %2026-10-22
Technical details
- CVSS v3 Vector
- CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- Published
- 2019-02-06
- Last Modified
- 2026-06-17
- NVD status
- Modified
Frequently asked questions
What is CVE-2018-7839?
Is CVE-2018-7839 actively exploited?
What is the CVSS score for CVE-2018-7839?
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