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Endpoint Security CVE-2020-7333

MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2020-11-12 trellixpsirt@trellix.com
4.8
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Output encoding, context-aware escaping
MITRE ATT&CK

2 techniques across 2 tactics: Initial Access, Execution

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 4.8 (MEDIUM). Attack characteristics: network attack vector, low complexity, high privileges required, user interaction required.

Exploit ScenarioDerived

A remote attacker could inject malicious scripts into web pages viewed by other users by sending crafted requests to the affected application.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.5% exploitation probability (EPSS)

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AnalysisAI

Cross site scripting vulnerability in the firewall ePO extension of McAfee Endpoint Security (ENS) prior to 10.7.0 November 2020 Update allows administrators to inject arbitrary web script or HTML. Rated medium severity (CVSS 4.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. Cross site scripting vulnerability in the firewall ePO extension of McAfee Endpoint Security (ENS) prior to 10.7.0 November 2020 Update allows administrators to inject arbitrary web script or HTML via the configuration wizard. Affected products include: Mcafee Endpoint Security. Version information: prior to 10.7.0.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 4.8 MEDIUM
AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

DescriptionNVD

Cross site scripting vulnerability in the firewall ePO extension of McAfee Endpoint Security (ENS) prior to 10.7.0 November 2020 Update allows administrators to inject arbitrary web script or HTML via the configuration wizard.

Threat Intelligence Overview

EPSS Score
0.5%
Top 60% exploitable
Data Quality
2 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.5%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

25
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +24
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.

Affected Products (CPE)NVD

cpe:2.3:a:mcafee:endpoint_security:*:*:*:*:*:windows:*:*
CVE-2024-0353 HIGH POC
7.8 Feb 15

Local privilege escalation vulnerability potentially allowed an attacker to misuse ESET’s file operations to delete file

CVE-2019-8461 HIGH POC
7.8 Aug 29

Check Point Endpoint Security Initial Client for Windows before version E81.30 tries to load a DLL placed in any PATH lo

CVE-2019-8452 HIGH POC
7.8 Apr 22

A hard-link created from log file archive of Check Point ZoneAlarm up to 15.4.062 or Check Point Endpoint Security clien

CVE-2014-4973 MEDIUM POC
6.9 Sep 23

The ESET Personal Firewall NDIS filter (EpFwNdis.sys) driver in the Firewall Module Build 1183 (20140214) and earlier in

CVE-2016-9892 MEDIUM POC
5.9 Mar 02

The esets_daemon service in ESET Endpoint Antivirus for macOS before 6.4.168.0 and Endpoint Security for macOS before 6.

CVE-2024-2224 CRITICAL
9.8 Apr 09

Improper Limitation of a Pathname to a Restricted Directory (‘Path Traversal’) vulnerability in the UpdateServer compone

CVE-2024-2223 CRITICAL
9.8 Apr 09

An Incorrect Regular Expression vulnerability in Bitdefender GravityZone Update Server allows an attacker to cause a Ser

CVE-2022-27534 CRITICAL
9.8 Apr 01

Kaspersky Anti-Virus products for home and Kaspersky Endpoint Security with antivirus databases released before 12 March

CVE-2021-45090 CRITICAL
9.8 Dec 21

Stormshield Endpoint Security before 2.1.2 allows remote code execution. Rated critical severity (CVSS 9.8), this vulner

CVE-2026-75120 CRITICAL
9.3 Oct 13

Unauthenticated remote attackers can bypass the security controls that are supposed to be enforced during session establ

CVE-2026-13043 CRITICAL
9.3 Oct 01

The Kernel Memory Access Driver (PSKMAD) shipped with WatchGuard endpoint security products fails to enforce its access-

CVE-2016-3984 MEDIUM POC
5.1 Apr 08

The McAfee VirusScan Console (mcconsol.exe) in McAfee Active Response (MAR) before 1.1.0.161, Agent (MA) 5.x before 5.0.

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