// For flags

CVE-2021-3911

Misconfigured IP address field in ROA leads to OctoRPKI crash

Severity Score

6.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

If the ROA that a repository returns contains too many bits for the IP address then OctoRPKI will crash.

Si el ROA que devuelve un repositorio contiene demasiados bits para la dirección IP, OctoRPKI será bloqueado

*Credits: Koen van Hove
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
High
Privileges Required
High
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-10-26 CVE Reserved
  • 2021-11-11 CVE Published
  • 2024-09-16 CVE Updated
  • 2024-09-19 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-20: Improper Input Validation
  • CWE-252: Unchecked Return Value
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Cloudflare
Search vendor "Cloudflare"
 Octorpki
Search vendor "Cloudflare" for product "Octorpki"
 < 1.3.0
Search vendor "Cloudflare" for product "Octorpki" and version " < 1.3.0"
-
Affected
Debian
Search vendor "Debian"
 Debian Linux
Search vendor "Debian" for product "Debian Linux"
 11.0
Search vendor "Debian" for product "Debian Linux" and version "11.0"
-
Affected