// For flags

CVE-2006-4436

 

Severity Score

7.5
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

isakmpd in OpenBSD 3.8, 3.9, and possibly earlier versions, creates Security Associations (SA) with a replay window of size 0 when isakmpd acts as a responder during SA negotiation, which allows remote attackers to replay IPSec packets and bypass the replay protection.

isakmpd en OpenBSD 3.8, 3.9, y posiblemente versiones anetriores, crea Asociaciones de Seguridad (Security Associations o SA) con una ventana de respuesta de tamañoñ 0 cuando isakmpd actúa como respondedor durante una negociación SA, lo que permite a atacantes remotos repetir paquetes IPSec y evitar la protección contra repetición.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2006-08-28 CVE Reserved
  • 2006-08-29 CVE Published
  • 2024-08-07 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Openbsd
Search vendor "Openbsd"
 Openbsd
Search vendor "Openbsd" for product "Openbsd"
 3.8
Search vendor "Openbsd" for product "Openbsd" and version "3.8"
-
Affected
Openbsd
Search vendor "Openbsd"
 Openbsd
Search vendor "Openbsd" for product "Openbsd"
 3.9
Search vendor "Openbsd" for product "Openbsd" and version "3.9"
-
Affected