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CWE-331

MITRE ↗

CWE-331

3
CRITICAL
10
HIGH
6
MEDIUM
3
LOW
30 CVEs
9.8
CVE-2020-36925

Arteco Web Client DVR/NVR contains a session hijacking vulnerability with insufficient session ID complexity that allows

9.8
CVE-2026-38447

osTicket 1.18.3 generates API keys using a predictable construction based on MD5 hashing. The use of MD5, combined with

9.0
CVE-2026-71851

crypto-js is a JavaScript library of crypto standards. Versions of crypto-js prior to 4.0.0 generate randomness in Crypt

8.8
CVE-2025-13399

A weakness in the web interface’s application layer encryption in VX800v v1.0 allows an adjacent attacker to brute force

8.8
CVE-2026-2336

A privilege escalation vulnerability in Microchip IStaX allows an authenticated low-privileged user to recover a shared

8.2
CVE-2026-34236

Auth0-PHP is a PHP SDK for Auth0 Authentication and Management APIs. From version 8.0.0 to before version 8.19.0, in app

7.5
CVE-2026-22698

RustCrypto: Elliptic Curves is general purpose Elliptic Curve Cryptography (ECC) support, including types and traits for

7.5
CVE-2026-7210

`xml.parsers.expat` and `xml.etree.ElementTree` use insufficient entropy for Expat hash-flooding protection, which allow

7.5
CVE-2026-46474

Trog::TOTP versions before 1.006 for Perl generate secrets using rand. Secrets were generated using Perl's built-in ran

7.5
CVE-2026-46473

Authen::TOTP versions before 0.1.1 for Perl generate secrets using rand. Secrets were generated using Perl's built-in r

7.5
CVE-2025-15629

A cryptographic weakness exists in the Omada adoption protocol where session encryption keys used to protect communicati

7.5
CVE-2026-27490

Combodo iTop is a web based IT service management tool. Prior to 3.2.3, inline images that are accessible without being

7.3
CVE-2026-8700

Crypt::DSA versions before 1.20 for Perl generate seeds using rand. Seeds were generated using Perl's built-in rand fun

5.3
CVE-2026-2878

In Progress® Telerik® UI for AJAX, versions prior to 2026.1.225, an insufficient entropy vulnerability exists in RadAsyn

5.3
CVE-2026-4937

IBM PowerVM Hypervisor FW1110.00 through FW1110.20, FW1060.00 through FW1060.71, and FW950.00 through FW950.H2 could all

5.1
CVE-2026-4936

IBM PowerVM Hypervisor Platform KeyStore (PKS) and virtual TPM FW1110.00 through FW1110.20, FW1060.00 through FW1060.71,

4.8
CVE-2025-0577

An insufficient entropy vulnerability was found in glibc. The getrandom and arc4random family of functions may return pr

4.2
CVE-2026-4932

IBM PowerVM Hypervisor FW1110.00 through FW1110.20, and FW1060.00 through FW1060.71 could allow an attacker with physica

4.0
CVE-2026-13199

EEPROM firmware on Raspberry Pi 5 and Compute Module 5 devices produced non-random KASLR and RNG seed values. This resul

3.7
CVE-2026-19748

A security vulnerability has been detected in Tenda CH7, CH7G, CH10, CP3, CP3 Pro, CP7, TC3B14C, TC3B15C, TC3T14C and TC

3.7
CVE-2026-19906

A weakness has been identified in pkp pkp-lib 3.3.0/3.4.0/3.5.0. This vulnerability affects the function setData of the

2.9
CVE-2026-41080

libexpat before 2.8.0 uses insufficient entropy, and thus hash flooding can occur via a crafted XML document.

CVE-2026-1814

Rapid7 Nexpose versions 6.4.50 and later are vulnerable to an insufficient entropy issue in the CredentialsKeyStorePassw

CVE-2025-7432

DPA countermeasures in Silicon Labs' Series 2 devices are not reseeded under certain conditions.  This may allow an att

CVE-2026-2541

The Micca KE700 system relies on a 6-bit portion of an identifier for authentication within rolling codes, providing onl

CVE-2026-4827

CWE‑331: Insufficient Entropy vulnerability exists that could lead to unauthorized access when an attacker on the networ

CVE-2025-14972

* Countermeasures for DPA within SYMCRYPTO engine on SixG301xxx devices are not sufficiently random and will eventually

CVE-2026-42155

Magento Long Term Support (LTS) is an unofficial, community-driven project provides an alternative to the Magento Commun

CVE-2026-4930

SYMCRYPTO is the SiXG301's host side hardware engine accessed by PSA crypto library that accelerates symmetric cryptogra

CVE-2026-11403

A vulnerability in Sonatype Nexus Repository Manager's format-specific API key generation may allow a remote attacker to

Frequently Asked Questions

What is CWE-331?

CWE-331 (CWE-331) 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-331?

There are 30 CVE records associated with CWE-331 in our database. Of these, 3 are critical severity, 10 are high severity, and 6 are medium severity.

How can I protect against CWE-331 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-331 using AI-powered security agents.

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