---
id: CVE-2021-42216
title: >-
  A Broken or Risky Cryptographic Algorithm exists in AnonAddy 0.8.5 via
  VerificationController.php.
summary: >-
  A Broken or Risky Cryptographic Algorithm exists in AnonAddy 0.8.5 via
  VerificationController.php.
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-326
vendor: anonaddy
product: anonaddy
affected:
  - anonaddy = 0.8.5
published: '2021-12-15'
updated: '2026-07-05'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2021-42216'
references:
  - url: >-
      https://github.com/anonaddy/anonaddy/blob/0478d9e8d364787f203113544123048a41f022c0/app/Http/Controllers/Auth/VerificationController.php#L67
    label: cve@mitre.org
  - url: 'https://huntr.dev/bounties/419f4e8a-ee15-4f80-bcbf-5c83513515dd'
    label: cve@mitre.org
  - url: 'http://anonaddy.com'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: >-
      https://github.com/anonaddy/anonaddy/blob/0478d9e8d364787f203113544123048a41f022c0/app/Http/Controllers/Auth/VerificationController.php#L67
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://huntr.dev/bounties/419f4e8a-ee15-4f80-bcbf-5c83513515dd'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.01169
epssPercentile: 0.66031
ingestedAt: '2026-07-06T17:03:23.625Z'
---

## Overview

A Broken or Risky Cryptographic Algorithm exists in AnonAddy 0.8.5 via VerificationController.php.

## Affected

- `anonaddy = 0.8.5`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.