CVE-2019-6440

CVE-2019-6440 is a critical-severity vulnerability in Zemana Antimalware 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-19.

Key facts

Description

Zemana AntiMalware before 3.0.658 Beta mishandles update logic.

Frequently asked questions

What is CVE-2019-6440?
Zemana AntiMalware before 3.0.658 Beta mishandles update logic.
How severe is CVE-2019-6440?
CVE-2019-6440 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-2019-6440 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-6440?
CVE-2019-6440 primarily affects Zemana Antimalware. In total, 264 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-6440?
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-2019-6440 published?
CVE-2019-6440 was published on 2019-01-16 and last updated on 2026-06-17.

References

Affected products (264)

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