CVE-2020-7256Network attack vector

Authenticated browser data exposure via undisclosed XSS

Published Mar 18, 2020 · Updated Aug 4, 2024

Cross-site scripting in McAfee Network Security Manager before 9.1 Update 6 allows remote authenticated users to cause unspecified impact. Trellix has not disclosed the affected web-interface locus or the operation that fails to neutralize attacker-controlled input. Exploitation requires high-privilege access and another user's interaction; documented impact is limited to browser data exposure or modification, with no service interruption.

CVSS severity4.8
Medium
EPSS probability0.52%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in McAfee Network Security Manager before 9.1 Update 6 allows remote authenticated users to cause unspecified impact. Trellix has not disclosed the affected web-interface locus or the operation that fails to neutralize attacker-controlled input. Exploitation requires high-privilege access and another user's interaction; documented impact is limited to browser data exposure or modification, with no service interruption.

The record

CVE
CVE-2020-7256
Published
Mar 18, 2020
Updated
Aug 4, 2024
Vendor
McAfee
Product
McAfee Network Security Manager
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Mar 18, 2020CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=unspecified <9.1 update 6

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

McAfee · McAfee Network Security Managerversion=unspecified <9.1 update 6

Published CVSS scores

4.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
4.8TrellixCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
3.5NIST NVDAV:N/AC:M/Au:S/C:N/I:P/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007JavaScript/JScript

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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