CVE-2019-18386

CVE-2019-18386 is a high-severity vulnerability in Unisys Mcp Firmware with a CVSS 3.x base score of 8.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Systems management on Unisys ClearPath Forward Libra and ClearPath MCP Software Series can fault and have other unspecified impact when receiving specifically crafted message payloads over a systems management communication channel

Frequently asked questions

What is CVE-2019-18386?
Systems management on Unisys ClearPath Forward Libra and ClearPath MCP Software Series can fault and have other unspecified impact when receiving specifically crafted message payloads over a systems management communication channel
How severe is CVE-2019-18386?
CVE-2019-18386 has a CVSS 3.x base score of 8.7, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2019-18386 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-18386?
CVE-2019-18386 affects Unisys Mcp Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-18386?
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-2019-18386 published?
CVE-2019-18386 was published on 2020-01-07 and last updated on 2026-06-17.

References

Affected products (1)