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Home/CWEs/A02:2021
OWASP Top 10 Category

A02:2021: Cryptographic Failures

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Failures related to cryptography that expose sensitive data: weak or missing encryption, broken algorithms, poor key management, cleartext transmission.

Abstraction
Category
OWASP Top 10
A02:2021 (#2)
Related CVEs
98

▪ Weakness classes in this category

CWE-200CWE-295CWE-327CWE-330

▪ References & documentation

https://owasp.org/Top10/OWASP A02:2021 categoryOWASP Cheat Sheet Series

▪ Related CVEs

CVE-2026-67322High

Security vulnerability in gitpython

CVE-2026-73622High

Security vulnerability in gitpython

CVE-2023-31124Low

Security vulnerability in c-ares

CVE-2023-31147Medium

Security vulnerability in c-ares

CVE-2025-31125Medium

Security vulnerability in vite

CVE-2025-30208Medium

Security vulnerability in vite

CWE-311
CWE-319
CVE-2026-73622High

Security vulnerability in gitpython

CVE-2026-67322High

Security vulnerability in gitpython

CVE-2024-1052High

Security vulnerability in boundary

CVE-2026-97687High

Security vulnerability in urllib3

CVE-2026-84933Medium

Security vulnerability in undici

CVE-2026-84961High

Security vulnerability in undici

CVE-2026-84961High

Security vulnerability in undici

CVE-2026-84933Medium

Security vulnerability in undici

CVE-2026-40895High

Security vulnerability in follow-redirects

CVE-2024-28849Medium

Security vulnerability in follow-redirects

CVE-2023-26054Medium

Security vulnerability in buildkit

CVE-2026-84933Medium

Security vulnerability in undici

CVE-2026-84961High

Security vulnerability in undici

CVE-2026-44486High

Security vulnerability in axios

CVE-2024-28849Medium

Security vulnerability in follow-redirects

CVE-2026-44486High

Security vulnerability in axios

CVE-2026-97687High

Security vulnerability in urllib3

CVE-2026-97687High

Security vulnerability in urllib3

CVE-2026-67322High

Security vulnerability in gitpython

CVE-2026-34073Medium

Security vulnerability in cryptography

CVE-2026-34073Medium

Security vulnerability in cryptography

CVE-2026-102267High

Security vulnerability in pyjwt

CVE-2026-44431Medium

Security vulnerability in urllib3

CVE-2026-102267High

Security vulnerability in pyjwt

CVE-2026-97687High

Security vulnerability in urllib3

CVE-2026-34073Medium

Security vulnerability in cryptography

CVE-2026-34073Medium

Security vulnerability in cryptography

CVE-2026-102267High

Security vulnerability in pyjwt

CVE-2025-45768High

Security vulnerability in pyjwt

CVE-2025-45768High

Security vulnerability in pyjwt

CVE-2017-11801High

Security vulnerability in ChakraCore

CVE-2018-8315Medium

Security vulnerability in ChakraCore

CVE-2017-11919Medium

Security vulnerability in ChakraCore

CVE-2018-8145High

Security vulnerability in ChakraCore

CVE-2018-8452Medium

Security vulnerability in ChakraCore

CVE-2017-11797High

Security vulnerability in ChakraCore

CVE-2017-11791Low

Security vulnerability in ChakraCore

CVE-2026-40895High

Security vulnerability in follow-redirects

CVE-2024-28849Medium

Security vulnerability in follow-redirects

CVE-2026-40895High

Security vulnerability in follow-redirects

CVE-2019-19464Medium

Security vulnerability in gem

CVE-2023-45143Low

Security vulnerability in undici

CVE-2025-61780Medium

Security vulnerability in rack

CVE-2026-67320High

Security vulnerability in axios

CVE-2026-41186High

Security vulnerability in calico

CVE-2022-28224Medium

Security vulnerability in calico

CVE-2026-44486High

Security vulnerability in axios

CVE-2025-30208High

Security vulnerability in vite

CVE-2025-31125Medium

Security vulnerability in vite

CVE-2018-19148Low

Security vulnerability in caddy

CVE-2019-8632Medium

Security vulnerability in texture

CVE-2019-8632Medium

Security vulnerability in texture

CVE-2026-44431Medium

Security vulnerability in urllib3

CVE-2026-73622High

Security vulnerability in gitpython

CVE-2019-12781Medium

Security vulnerability in django

CVE-2020-13254Medium

Security vulnerability in django

CVE-2026-7666Low

Security vulnerability in django

CVE-2015-8213Medium

Security vulnerability in django

CVE-2026-9697High

Security vulnerability in undici

CVE-2026-13697High

Security vulnerability in undici

CVE-2026-84933High

Security vulnerability in undici

CVE-2026-84961High

Security vulnerability in undici

CVE-2026-44486High

Security vulnerability in axios

CVE-2026-9697High

Security vulnerability in undici

CVE-2026-84933Medium

Security vulnerability in undici

CVE-2026-84961High

Security vulnerability in undici

CVE-2026-13697High

Security vulnerability in undici

CVE-2026-8367Medium

Security vulnerability in aria2

CVE-2026-67322High

Security vulnerability in gitpython

CVE-2026-73622High

Security vulnerability in gitpython

CVE-2026-40895High

Security vulnerability in follow-redirects

CVE-2026-84933Medium

Security vulnerability in undici

CVE-2026-13697High

Security vulnerability in undici

CVE-2026-13697High

Security vulnerability in undici

CVE-2026-9697High

Security vulnerability in undici

CVE-2026-84933Medium

Security vulnerability in undici

CVE-2026-84933Medium

Security vulnerability in undici

CVE-2026-84933Medium

Security vulnerability in undici

CVE-2026-84961High

Security vulnerability in undici

CVE-2026-84961High

Security vulnerability in undici

CVE-2026-84961High

Security vulnerability in undici

CVE-2026-13697High

Security vulnerability in undici

CVE-2025-31125Medium

Security vulnerability in vite

CVE-2025-30208Medium

Security vulnerability in vite

CVE-2026-40895High

Security vulnerability in follow-redirects

CVE-2020-24025Medium

Security vulnerability in node-sass

CVE-2020-28498Medium

Security vulnerability in elliptic

CVE-2026-44486High

Security vulnerability in axios

CVE-2024-28849Medium

Security vulnerability in follow-redirects

CVE-2021-31597Critical

Security vulnerability in xmlhttprequest-ssl

CVE-2020-24025Medium

Security vulnerability in node-sass

CVE-2026-40895High

Security vulnerability in follow-redirects