CVE-2019-6527
CVE-2019-6527 is a critical-severity vulnerability in Kunbus Pr100088 Modbus Gateway Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 1% (68th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-287
- Affected product: Kunbus Pr100088 Modbus Gateway Firmware
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2019-6527?
- 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.
- How severe is CVE-2019-6527?
- CVE-2019-6527 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2019-6527 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-6527?
- CVE-2019-6527 affects Kunbus Pr100088 Modbus Gateway Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2019-6527?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2019-6527 published?
- CVE-2019-6527 was published on 2019-02-12 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:kunbus:pr100088_modbus_gateway_firmware:*:*:*:*:*:*:*:*
More vulnerabilities in Kunbus Pr100088 Modbus Gateway Firmware
- CVE-2019-6533 — Critical (CVSS 9.1): Registers used to store Modbus values can be read and written from the web interface without authentication in the…
- CVE-2019-6531 — High (CVSS 8.1): An attacker could retrieve passwords from a HTTP GET request from the Kunbus PR100088 Modbus gateway versions prior to…
- CVE-2019-6549 — High (CVSS 7.2): An attacker could retrieve plain-text credentials stored in a XML file on PR100088 Modbus gateway versions prior to…
- CVE-2019-6529 — Medium (CVSS 4.9): An attacker could specially craft an FTP request that could crash the PR100088 Modbus gateway versions prior to release…
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