CVE-2019-17390

CVE-2019-17390 is a high-severity vulnerability in Pronestor Planner with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

An issue was discovered in the Outlook add-in in Pronestor Planner before 8.1.77. There is local privilege escalation in the Health Monitor service because PronestorHealthMonitor.exe access control is mishandled, aka PNB-2359.

Frequently asked questions

What is CVE-2019-17390?
An issue was discovered in the Outlook add-in in Pronestor Planner before 8.1.77. There is local privilege escalation in the Health Monitor service because PronestorHealthMonitor.exe access control is mishandled, aka PNB-2359.
How severe is CVE-2019-17390?
CVE-2019-17390 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-17390 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-17390?
CVE-2019-17390 affects Pronestor Planner. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-17390?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-17390 published?
CVE-2019-17390 was published on 2019-12-18 and last updated on 2026-06-17.

References

Affected products (1)