What is CVE-2022-3616?

CVE-2022-3616 is a medium-severity vulnerability in Cloudflare Octorpki, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 5.4/10. Published 2022-10-28.

How severe is CVE-2022-3616?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Vulnerability in Cloudflare Octorpki

CVE-2022-3616

Attackers can create long chains of CAs that would lead to OctoRPKI exceeding its max iterations parameter. In consequence it would cause the program to crash, preventing it from finishing the validation and leading to a denial of service. Credits to Donika Mirdita and Haya Shulman - Fraunhofer SIT, ATHENE, who discovered and reported this vulnerability.

Published 2022-10-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:H.

EPSS exploit prediction

EPSS: 0.004 (34.9th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 34.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Cloudflare Octorpki — versions 0

Weakness classification (CWE)

References

github.com/cloudflare/cfrpki/security/advisories/GHSA-pmw9-567p-68pc (Third Party Advisory)

Frequently asked questions

What is CVE-2022-3616?: CVE-2022-3616 is a medium-severity vulnerability in Cloudflare Octorpki, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 5.4/10. Published 2022-10-28.
How severe is CVE-2022-3616?: Medium severity. CVSS v3 base score is 5.4 out of 10.