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Improper Input Validation

1,071
CRITICAL
4,031
HIGH
3,494
MEDIUM
283
LOW
9,068 CVEs · Page 11/182
7.5
CVE-2025-66902

An input validation issue in in Pithikos websocket-server v.0.6.4 allows a remote attacker to obtain sensitive informati

7.5
CVE-2025-66959

An issue in ollama v.0.12.10 allows a remote attacker to cause a denial of service via the GGUF decoder

7.5
CVE-2025-66960

An issue in ollama v.0.12.10 allows a remote attacker to cause a denial of service via the fs/ggml/gguf.go, function rea

7.5
CVE-2026-0919

The HTTP parser of Tapo C210 v3, C220 v1 and C520WS v2 cameras improperly handles requests containing an excessively lon

7.5
CVE-2026-1315

By sending crafted files to the firmware update endpoint of Tapo C220 v1 and C520WS v2, the device terminates core syste

7.5
CVE-2025-59895

Sync Breeze Enterprise Server v10.4.18 and Disk Pulse Enterprise v10.4.18 contain a remote denial-of-service (DoS) vulne

7.5
CVE-2025-71003

An input validation vulnerability in the flow.arange() component of OneFlow v0.9.0 allows attackers to cause a Denial of

7.5
CVE-2025-71007

An input validation vulnerability in the oneflow.index_add component of OneFlow v0.9.0 allows attackers to cause a Denia

7.5
CVE-2024-4027

A flaw was found in Undertow. Servlets using a method that calls HttpServletRequestImpl.getParameterNames() can cause an

7.5
CVE-2026-25128

fast-xml-parser allows users to validate XML, parse XML to JS object, or build XML from JS object without C/C++ based li

7.5
CVE-2026-25892

Adminer is open-source database management software. Adminer v5.4.1 and earlier has a version check mechanism where admi

7.5
CVE-2025-22453

Improper input validation for some Server Firmware Update Utility(SysFwUpdt) before version 16.0.12 within Ring 3: User

7.5
CVE-2025-70123

An improper input validation and protocol compliance vulnerability in free5GC v4.0.1 allows remote attackers to cause a

7.5
CVE-2026-24734

Improper Input Validation vulnerability in Apache Tomcat Native, Apache Tomcat. When using an OCSP responder, Tomcat Na

7.5
CVE-2026-26314

go-ethereum (geth) is a golang execution layer implementation of the Ethereum protocol. Prior to version 1.16.9, a vulne

7.5
CVE-2026-27623

Valkey is a distributed key-value database. Starting in version 9.0.0 and prior to version 9.0.3, a malicious actor with

7.5
CVE-2025-69232

free5GC is an open-source project for 5th generation (5G) mobile core networks. free5GC go-upf versions up to and includ

7.5
CVE-2025-69250

free5gc UDM provides Unified Data Management (UDM) for free5GC, an open-source project for 5th generation (5G) mobile co

7.5
CVE-2026-27642

free5gc UDM provides Unified Data Management (UDM) for free5GC, an open-source project for 5th generation (5G) mobile co

7.5
CVE-2026-27818

TerriaJS-Server is a NodeJS Express server for TerriaJS, a library for building web-based geospatial data explorers. A v

7.5
CVE-2026-27959

Koa is middleware for Node.js using ES2017 async functions. Prior to versions 3.1.2 and 2.16.4, Koa's `ctx.hostname` API

7.5
CVE-2026-27443

SEPPmail Secure Email Gateway before version 15.0.1 does not properly sanitize the headers from S/MIME protected MIME en

7.5
CVE-2025-61611

In modem, there is a possible improper input validation. This could lead to remote denial of service with no additional

7.5
CVE-2025-61612

In nr modem, there is a possible system crash due to improper input validation. This could lead to remote denial of serv

7.5
CVE-2025-61613

In nr modem, there is a possible system crash due to improper input validation. This could lead to remote denial of serv

7.5
CVE-2025-61614

In nr modem, there is a possible system crash due to improper input validation. This could lead to remote denial of serv

7.5
CVE-2025-61615

In nr modem, there is a possible system crash due to improper input validation. This could lead to remote denial of serv

7.5
CVE-2025-61616

In nr modem, there is a possible system crash due to improper input validation. This could lead to remote denial of serv

7.5
CVE-2025-69278

In nr modem, there is a possible system crash due to improper input validation. This could lead to remote denial of serv

7.5
CVE-2025-69279

In nr modem, there is a possible system crash due to improper input validation. This could lead to remote denial of serv

7.5
CVE-2026-26121

Server-side request forgery (ssrf) in Azure IoT Explorer allows an unauthorized attacker to perform spoofing over a netw

7.5
CVE-2026-3644

The fix for CVE-2026-0672, which rejected control characters in http.cookies.Morsel, was incomplete. The Morsel.update()

7.5
CVE-2026-33151

Socket.IO is an open source, real-time, bidirectional, event-based, communication framework. Prior to versions 3.3.5, 3.

7.5
CVE-2025-15606

A Denial-of-Service (DoS) vulnerability in the httpd component of TP-Link's TD-W8961N v4.0 due to improper input sanitiz

7.5
CVE-2026-33250

Freeciv21 is a free open source, turn-based, empire-building strategy game. Versions prior to 3.1.1 crash with a stack o

7.5
CVE-2026-33332

NiceGUI is a Python-based UI framework. Prior to version 3.9.0, NiceGUI's app.add_media_file() and app.add_media_files()

7.5
CVE-2026-28894

A denial-of-service issue was addressed with improved input validation. This issue is fixed in iOS 26.4 and iPadOS 26.4,

7.5
CVE-2026-33218

NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. Prior to versions 2.11.1

7.5
CVE-2026-33285

LiquidJS is a Shopify / GitHub Pages compatible template engine in pure JavaScript. Prior to version 10.25.1, LiquidJS's

7.5
CVE-2026-33287

LiquidJS is a Shopify / GitHub Pages compatible template engine in pure JavaScript. Prior to version 10.25.1, the `repla

7.5
CVE-2025-59032

ManageSieve AUTHENTICATE command crashes when using literal as SASL initial response. This can be used to crash ManageSi

7.5
CVE-2026-30575

A Business Logic vulnerability exists in SourceCodester Pharmacy Product Management System 1.0 in the add-stock.php file

7.5
CVE-2026-30576

A Business Logic vulnerability exists in SourceCodester Pharmacy Product Management System 1.0 in the add-stock.php file

7.5
CVE-2026-33894

Forge (also called `node-forge`) is a native implementation of Transport Layer Security in JavaScript. Prior to version

7.5
CVE-2026-4987

The SureForms – Contact Form, Payment Form & Other Custom Form Builder plugin for WordPress is vulnerable to Payment Amo

7.5
CVE-2026-30077

OpenAirInterface V2.2.0 AMF crashes when it fails to decode the message. Not all decode failures result in a crash. But

7.5
CVE-2026-29135

SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to craft a password-tag that bypasses subject san

7.5
CVE-2020-37216

Hirschmann HiOS devices versions prior to 08.1.00 and 07.1.01 contain a denial of service vulnerability in the EtherNet

7.5
CVE-2026-34980

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16

7.5
CVE-2026-30078

OpenAirInterface V2.2.0 AMF crashes when it receives an NGAP message with invalid procedure code or invalid PDU-type. Fo

Frequently Asked Questions

What is CWE-20?

CWE-20 (Improper Input Validation) is a weakness category in the Common Weakness Enumeration (CWE) system maintained by MITRE. It describes a class of software or hardware vulnerability that can lead to security issues.

How many CVEs are classified as CWE-20?

There are 14,187 CVE records associated with CWE-20 in our database. Of these, 1071 are critical severity, 4031 are high severity, and 3494 are medium severity.

How can I protect against CWE-20 vulnerabilities?

Protection strategies depend on the specific weakness type. General measures include input validation, secure coding practices, regular security testing, and keeping software up to date. CyberStrike can help by automatically scanning your infrastructure for vulnerabilities related to CWE-20 using AI-powered security agents.

Detect CWE-20 Vulnerabilities

CyberStrike's AI agents automatically detect improper input validation vulnerabilities across your infrastructure.

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