How severe is CVE-2019-3640?

CVE-2019-3640 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2019-3640 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-3640?

CVE-2019-3640 affects Mcafee Data Loss Prevention. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-3640?

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

When was CVE-2019-3640 published?

CVE-2019-3640 was published on 2019-11-14 and last updated on 2026-06-17.

CVE-2019-3640

CVE-2019-3640 is a medium-severity vulnerability in Mcafee Data Loss Prevention with a CVSS 3.x base score of 4.8. 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-319.

Key facts

Severity: Medium (CVSS 3.x base score 4.8)
CVSS v2: 4.0
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-319
Affected product: Mcafee Data Loss Prevention
Published: 2019-11-14
Last modified: 2026-06-17

Description

Unprotected Transport of Credentials in ePO extension in McAfee Data Loss Prevention 11.x prior to 11.4.0 allows remote attackers with access to the network to collect login details to the LDAP server via the ePO extension not using a secure connection when testing LDAP connectivity.

Frequently asked questions

What is CVE-2019-3640?: Unprotected Transport of Credentials in ePO extension in McAfee Data Loss Prevention 11.x prior to 11.4.0 allows remote attackers with access to the network to collect login details to the LDAP server via the ePO extension not using a secure connection when testing LDAP connectivity.
How severe is CVE-2019-3640?: CVE-2019-3640 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2019-3640 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-3640?: CVE-2019-3640 affects Mcafee Data Loss Prevention. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-3640?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-3640 published?: CVE-2019-3640 was published on 2019-11-14 and last updated on 2026-06-17.

References

https://kc.mcafee.com/corporate/index?page=content&id=SB10298

Affected products (1)

cpe:2.3:a:mcafee:data_loss_prevention:*:*:*:*:*:*:*:*

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