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Netskope CVE-2020-28845

HIGH
Improper Neutralization of Formula Elements in a CSV File (CWE-1236)
2020-11-20 cve@mitre.org
7.8
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
ASVS 5.0
V1 - Encoding and Sanitization CSV injection prevention
Impact

CVSS score of 7.8 (HIGH). Attack characteristics: local attack vector, low complexity, no privileges required, user interaction required. Public proof-of-concept exploit code is available.

Exploit ScenarioDerived

Successful exploitation could compromise the high-severity affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 1.1% exploitation probability (EPSS)

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AnalysisAI

A CSV injection vulnerability in the Admin portal for Netskope 75.0 allows an unauthenticated user to inject malicious payload in admin's portal thus leads to compromise admin's system. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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 under CWE-1236. A CSV injection vulnerability in the Admin portal for Netskope 75.0 allows an unauthenticated user to inject malicious payload in admin's portal thus leads to compromise admin's system. Affected products include: Netskope.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.8 HIGH
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionNVD

A CSV injection vulnerability in the Admin portal for Netskope 75.0 allows an unauthenticated user to inject malicious payload in admin's portal thus leads to compromise admin's system.

Threat Intelligence Overview

EPSS Score
1.1%
Top 38% exploitable
Exploit
POC
Public exploit code exists
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 HIGH
CISA KEV No
Public POC Yes
EPSS 1.1%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
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
Poc
System Exposure· derived
Small
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

60
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +39
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Code Injection CRITICAL

Code injection occurs when an application accepts user input and passes it directly into a language interpreter or evaluator without proper sanitization.

Affected Products (CPE)NVD

cpe:2.3:a:netskope:netskope:75.0:*:*:*:*:*:*:*
CVE-2023-4996 HIGH
8.8 Nov 06

Netskope was made aware of a security vulnerability in its NSClient product for version 100 & prior where a malicious no

CVE-2026-16174 HIGH
8.7 Sep 10

Privilege escalation and arbitrary code execution affect Netskope Endpoint DLP (EPDLP) on Windows, where a privileged lo

CVE-2024-7401 HIGH
8.5 Aug 26

Netskope was notified about a security gap in Netskope Client enrollment process where NSClient is using a static token

CVE-2023-2270 HIGH
7.8 Jun 15

The Netskope client service running with NT\SYSTEM privileges accepts network connections from localhost to start variou

CVE-2019-12091 HIGH
7.8 Sep 26

The Netskope client service, v57 before 57.2.0.219 and v60 before 60.2.0.214, running with NT\SYSTEM privilege, accepts

CVE-2019-10882 HIGH
7.8 Sep 26

The Netskope client service, v57 before 57.2.0.219 and v60 before 60.2.0.214, running with NT\SYSTEM privilege, accepts

CVE-2025-15641 MEDIUM
6.8 Jun 17

Anti-tampering bypass in Netskope Client for Windows (all versions prior to R138) allows a local administrator to send c

CVE-2025-15642 MEDIUM
6.8 Jun 17

Tamper Protection bypass in Netskope Client for Windows allows a malicious local administrator to disable or subvert the

CVE-2026-15710 MEDIUM
6.8 Sep 11

The Endpoint DLP kernel driver (epdlpdrv.sys) in Netskope Client for Windows before release R141 exposes two overlapping

CVE-2025-15584 MEDIUM
6.8 Mar 17

Netskope was notified about a potential gap in its Endpoint DLP Module for Netskope Client on Windows systems.

CVE-2026-2809 MEDIUM
6.7 Mar 17

Netskope's Endpoint DLP Module for Windows is vulnerable to an integer overflow in its DLL Injector that can be triggere

CVE-2026-16172 MEDIUM
6.0 Sep 10

Out-of-bounds heap read in Netskope Client's Endpoint DLP (EPDLP) service allows a local unprivileged user to crash the

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