How severe is CVE-2020-7339?

CVE-2020-7339 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2020-7339 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-7339?

CVE-2020-7339 affects Mcafee Database Security. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-7339?

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

When was CVE-2020-7339 published?

CVE-2020-7339 was published on 2020-12-10 and last updated on 2026-06-17.

CVE-2020-7339

CVE-2020-7339 is a medium-severity vulnerability in Mcafee Database Security with a CVSS 3.x base score of 6.3. 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-327.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 5.8
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-327
Affected product: Mcafee Database Security
Published: 2020-12-10
Last modified: 2026-06-17

Description

Use of a Broken or Risky Cryptographic Algorithm vulnerability in McAfee Database Security Server and Sensor prior to 4.8.0 in the form of a SHA1 signed certificate that would allow an attacker on the same local network to potentially intercept communication between the Server and Sensors.

Frequently asked questions

What is CVE-2020-7339?: Use of a Broken or Risky Cryptographic Algorithm vulnerability in McAfee Database Security Server and Sensor prior to 4.8.0 in the form of a SHA1 signed certificate that would allow an attacker on the same local network to potentially intercept communication between the Server and Sensors.
How severe is CVE-2020-7339?: CVE-2020-7339 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2020-7339 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-7339?: CVE-2020-7339 affects Mcafee Database Security. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-7339?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-7339 published?: CVE-2020-7339 was published on 2020-12-10 and last updated on 2026-06-17.

References

https://kc.mcafee.com/corporate/index?page=content&id=SB10340

Affected products (1)

cpe:2.3:a:mcafee:database_security:*:*:*:*:*:*:*:*

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