Weaknesses of type CWE-327

413 results

Uso de algoritmo criptográfico fraco ou quebrado

A aplicação usa algoritmos de criptografia que já foram quebrados ou são reconhecidamente fracos (como MD5, SHA-1, DES, RC4), deixando dados sensíveis vulneráveis a ataques práticos. Mesmo que o algoritmo ainda funcione tecnicamente, um adversário pode recuperar a mensagem ou falsificar assinaturas com esforço computacional viável.

Example

Um sistema armazena senhas de usuários com hash MD5, ou usa SHA-1 para assinar tokens JWT, ou criptografa dados financeiros com DES. Em todos esses casos, há ferramentas públicas que conseguem quebrar a proteção em horas ou dias.

How to mitigate

Substitua por algoritmos modernos: SHA-256 ou melhor para hash (ou Argon2/bcrypt para senhas), AES-256 para criptografia simétrica, ECDSA ou RSA-2048+ para assinaturas. Revise periodicamente o acervo de dependências e remova bibliotecas que só ofereçam primitivas fracas.

CVE-2023-41097MEDIUMPotential Timing vulnerability in CBC PKCS7 padding calculationsEPSS 0.3%CVE-2024-45193MEDIUMAn issue was discovered in Matrix libolm through 3.2.16. There is Ed25519 signature malleability due to lack of validation criteria (does noEPSS 0.3%CVE-2025-14175MEDIUMWeak Algorithm Support in SSH Server on TL-WR820NEPSS 0.3%CVE-2026-46395CRITICALHAX CMS Vulnerable to Private Key Disclosure via Broken HMAC ImplementationEPSS 0.3%CVE-2024-39583HIGHDell PowerScale InsightIQ, versions 5.0 through 5.1, contains a Use of a Broken or Risky Cryptographic Algorithm vulnerability. An unauthentEPSS 0.3%CVE-2022-38391MEDIUMIBM Spectrum Control information disclosureEPSS 0.3%CVE-2023-36749HIGHA vulnerability has been identified in RUGGEDCOM ROX MX5000 (All versions < V2.16.0), RUGGEDCOM ROX MX5000RE (All versions < V2.16.0), RUGGEEPSS 0.3%CVE-2024-36440MEDIUMAn issue was discovered on Swissphone DiCal-RED 4009 devices. An attacker with access to the file /etc/deviceconfig may recover the administEPSS 0.3%CVE-2026-50086CRITICALAqara unauthenticated AES oracleEPSS 0.3%CVE-2024-4282HIGHWeak TLS Ciphers on Brocade SANnav OVA SSH port 22EPSS 0.3%CVE-2025-14636MEDIUMTenda AX9 httpd image_check weak hashEPSS 0.3%CVE-2023-3350HIGHCryptographic Issues on IBERMATICA RPSEPSS 0.3%CVE-2024-53441CRITICALAn issue in the index.js decryptCookie function of cookie-encrypter v1.0.1 allows attackers to execute a bit flipping attack.EPSS 0.3%CVE-2026-39944HIGHCeph: CephX AES Authentication errorEPSS 0.3%CVE-2026-13482MEDIUMskypilot-org skypilot User ID server.py username.encode weak hashEPSS 0.3%CVE-2024-22463HIGHDell PowerScale OneFS 8.2.x through 9.6.0.x contains a use of a broken or risky cryptographic algorithm vulnerability. A remote unprivilegedEPSS 0.3%CVE-2023-28509HIGHWeak encryption in UniRPC protocolEPSS 0.3%CVE-2024-39731MEDIUMIBM Datacap Navigator information disclosureEPSS 0.3%CVE-2026-63761MEDIUMSurrealDB before 3.1.0 Algorithm Downgrade via ES512EPSS 0.3%CVE-2026-17467HIGHVulnerabilities exists in IBM Cloud Pak for Data SystemEPSS 0.3%