7.5

CVE-2022-3616: cloudflare octorpki

CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2022-3616DEBIAN-CVE-2022-3616GHSA-pmw9-567p-68pc
Published 28-10-2022Last modified 05-05-2025

Vulnerability summary

CVE-2022-3616 is a high (CVSS 7.5) vulnerability in cloudflare octorpki. EPSS estimates a 0.45% chance of exploitation in the next 30 days, higher than 37.6% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
0.45%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 28-10-2022
    PublishedVulnerability first disclosed.
  2. 05-05-2025
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.45%

Chance of exploitation in the next 30 days

Percentile

38%

Versus all other CVEs

30-day change

+0.02 pp

From 0.43% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.45%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Cloudflare1 product
Debian1 product
  • cfrpki< 1.4.4-1
Github.com/cloudflare1 product
  • cfrpki< 1.4.4
Ubuntu1 product
  • cfrpkiAll versions (No fix recorded)

4 vendors · 4 products

References

7 links