How severe is CVE-2019-3598?

CVE-2019-3598 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2019-3598 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-3598?

CVE-2019-3598 primarily affects Mcafee Agent. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-3598?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-3598 published?

CVE-2019-3598 was published on 2019-02-28 and last updated on 2026-06-17.

CVE-2019-3598

CVE-2019-3598 is a medium-severity vulnerability in Mcafee Agent with a CVSS 3.x base score of 5.3. 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-119.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Mcafee Agent
Published: 2019-02-28
Last modified: 2026-06-17

Description

Buffer Access with Incorrect Length Value in McAfee Agent (MA) 5.x allows remote unauthenticated users to potentially cause a denial of service via specifically crafted UDP packets.

Frequently asked questions

What is CVE-2019-3598?: Buffer Access with Incorrect Length Value in McAfee Agent (MA) 5.x allows remote unauthenticated users to potentially cause a denial of service via specifically crafted UDP packets.
How severe is CVE-2019-3598?: CVE-2019-3598 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2019-3598 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-3598?: CVE-2019-3598 primarily affects Mcafee Agent. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-3598?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-3598 published?: CVE-2019-3598 was published on 2019-02-28 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:mcafee:agent:*:*:*:*:*:*:*:*
cpe:2.3:a:mcafee:agent:5.6.0:*:*:*:*:*:*:*

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