CVE-2019-6527
No exploitation reported by the sources we read.
- Published2019-02-12
- Fixed inr02
- WeaknessCWE-287
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
PR100088 Modbus gateway versions prior to Release R02 (or Software Version 1.1.13166) may allow an attacker to be able to change the password for an admin user who is currently or previously logged in, provided the device has not been restarted.
Timeline
dates in UTC- 2019-02-1217:29CVE 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-2019-6527?format=txt
- CSV export: https://api.ismalicious.com/edl/cve/CVE-2019-6527?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 |
|---|---|---|---|
| — | < r02 | r02 | 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
Kunbus PR100088 Modbus Gateway (Update B)
PR100088 Modbus gateway: All versions prior to Release R02 (or Software Version 1.1.13166)
Fix
- Update Kunbus pr100088 modbus gateway firmware to r02
- Mitigation from the vendor CISA ICSA-19-036-05 · 1 productUpdate to Version R03: the updated file can be downloaded from here (Install instructions can be found in the readme file included in the download): https://www.kunbus.de/sicherheitshinweise/update-ii-sicherheitshinweis-f%C3%BCr-gateway-modul-modbus-tcp-slave-art-nr-100088.html?file=files/media/bug…
- Mitigation from the vendor CISA ICSA-19-036-05 · 1 productThese devices are not intended to be used in a public network. Rather, these devices are intended for use in an industrial environment with a protected network architecture.
Advisories and patches
- ics-cert.us-cert.govMitigation
Detection
- Nuclei template
- none so far ProjectDiscovery
- Exploit-DB
- no entry Exploit-DB
- Proof-of-concept repositories
- none listed PoC-in-GitHub
Sources
- NVDCVSS 3.19.8read 2026-10-23
- NVDCVSS 2.07.5read 2026-10-23
- CNAweakness (CWE)CWE-287read 2026-10-23
- NVDweakness (CWE)CWE-287read 2026-10-23
- FIRST EPSSEPSS score1.2 %2026-10-22
Technical details
- CVSS v3 Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Published
- 2019-02-12
- Last Modified
- 2026-06-17
- NVD status
- Modified
Frequently asked questions
What is CVE-2019-6527?
Is CVE-2019-6527 actively exploited?
What is the CVSS score for CVE-2019-6527?
Running Kunbus PR100088 Modbus Gateway? Hear about its next vulnerability
Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».
No credit card required · No monthly cap on website lookups · 250 API requests/month
Go further
- Following what attackers exploit right now? The CISA KEV additions of the month, with their patch deadlines.
- Running this software? Vulnerability monitoring alerts you to new vulnerabilities in your products.
Related vulnerabilities
Same product first, then the same vendor advisory and the same publication week.