CVE-2022-3616: cloudflare octorpki
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.
Timeline
- 28-10-2022PublishedVulnerability first disclosed.
- 05-05-2025Last 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- CVE.orgCNA5.4MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:HDiffers
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · GoEcosystem advisory · calculated5.4MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:HDiffers
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
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-754Improper Check for Unusual or Exceptional ConditionsThe product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product.
- CWE-834Excessive IterationThe product performs an iteration or loop without sufficiently limiting the number of times that the loop is executed.
Affected systems
Cloudflare1 product
- octorpki< 1.4.4
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- github.com/cloudflare/cfrpki/security/advisories/GHSA-pmw9-567p-68pcREPORTWEBAdvisoryThird Party Advisory
- github.com/cloudflare/cfrpkiPACKAGE