CVE-2019-6531

Q: How do I fix CVE-2019-6531?

Upgrade pr100088 modbus gateway firmware to 1.1.13166 or later.

Q: Is CVE-2019-6531 being actively exploited?

Not that we know of. CVE-2019-6531 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 1.0% is the estimated probability that it will be exploited in the next 30 days. That is higher than 60% of all scored CVEs.

Q: How severe is CVE-2019-6531?

CVE-2019-6531 has a CVSS v3 base score of 8.1, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2019-6531 affect?

Published advisories record a fix for pr100088 modbus gateway firmware (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

HIGH

8.1

CVSS v3

NVD

Description

An attacker could retrieve passwords from a HTTP GET request from the Kunbus PR100088 Modbus gateway versions prior to Release R02 (or Software Version 1.1.13166) if the attacker is in an MITM position.

CWE-598

How to fix

Remediation Available

pr100088 modbus gateway firmwareNVD

Affected:< 1.1.13166Fixed in:1.1.13166CVE-2019-6531derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

1.02%probability of exploitation in 30 days

60thpercentile

Moderate risk: more likely to be exploited than 60% of all known CVEs.

References

Third-Party Advisory1

ics-cert.us-cert.gov

Related Vulnerabilities

Other CWE-598 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-3943	Medium	4.1	7.6%	-	-
CVE-2017-3185	Critical	9.8	3.2%	-	-
CVE-2018-14822	Critical	9.8	2.9%	-	-
CVE-2018-5467	Medium	6.5	1.3%	-	-
CVE-2023-6014	Critical	9.8	1.2%	-	-
CVE-2017-9280	Medium	4.3	1.1%	-	Fix

Common questions

How do I fix CVE-2019-6531?

Upgrade pr100088 modbus gateway firmware to 1.1.13166 or later.

Is CVE-2019-6531 being actively exploited?

Not that we know of. CVE-2019-6531 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 1.0% is the estimated probability that it will be exploited in the next 30 days. That is higher than 60% of all scored CVEs.

How severe is CVE-2019-6531?

CVE-2019-6531 has a CVSS v3 base score of 8.1, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2019-6531 affect?

Published advisories record a fix for pr100088 modbus gateway firmware (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.