CVE-2021-42216

Name: CVE-2021-42216
Creator: NVD / NIST
Published: 2021-12-15T18:15:07.73+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.40%

Last modified Jun 17, 2026

CVE-2021-42216 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A Broken or Risky Cryptographic Algorithm exists in AnonAddy 0.8.5 via VerificationController.php.. EPSS estimates a 1.40% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.40%

69.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-326

Affected Software

Vendor	Product	Versions
Anonaddy	Anonaddy	0.8.5

References

http://anonaddy.comProduct
https://github.com/anonaddy/anonaddy/blob/0478d9e8d364787f203113544123048a41f022c0/app/Http/Controllers/Auth/VerificationController.php#L67Patch, Third Party Advisory
https://huntr.dev/bounties/419f4e8a-ee15-4f80-bcbf-5c83513515ddExploit, Patch, Third Party Advisory
http://anonaddy.comProduct
https://github.com/anonaddy/anonaddy/blob/0478d9e8d364787f203113544123048a41f022c0/app/Http/Controllers/Auth/VerificationController.php#L67Patch, Third Party Advisory
https://huntr.dev/bounties/419f4e8a-ee15-4f80-bcbf-5c83513515ddExploit, Patch, Third Party Advisory

Timeline

Published: Dec 15, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-42216?

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

How severe is CVE-2021-42216?

CVE-2021-42216 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.40% probability of exploitation in the next 30 days.

How do I fix CVE-2021-42216?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-42216?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST