How severe is CVE-2020-7256?

CVE-2020-7256 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-7256 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-7256?

CVE-2020-7256 affects Mcafee Network Security Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-7256?

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

When was CVE-2020-7256 published?

CVE-2020-7256 was published on 2020-03-18 and last updated on 2026-06-17.

CVE-2020-7256

CVE-2020-7256 is a medium-severity vulnerability in Mcafee Network Security Manager 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 4.8)
CVSS v2: 3.5
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Mcafee Network Security Manager
Published: 2020-03-18
Last modified: 2026-06-17

Description

Cross site scripting vulnerability in McAfee Network Security Management (NSM) Prior to 9.1 update 6 Mar 2020 Update allows attackers to unspecified impact via unspecified vectors.

Frequently asked questions

What is CVE-2020-7256?: Cross site scripting vulnerability in McAfee Network Security Management (NSM) Prior to 9.1 update 6 Mar 2020 Update allows attackers to unspecified impact via unspecified vectors.
How severe is CVE-2020-7256?: CVE-2020-7256 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-7256 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-7256?: CVE-2020-7256 affects Mcafee Network Security Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-7256?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-7256 published?: CVE-2020-7256 was published on 2020-03-18 and last updated on 2026-06-17.

References

https://kc.mcafee.com/corporate/index?page=content&id=SB10310

Affected products (1)

cpe:2.3:a:mcafee:network_security_manager:*:*:*:*:*:*:*:*

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