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Vulnerability Details : CVE-2006-4436

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.
Publish Date : 2006-08-29 Last Update Date : 2017-07-20
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact None (There is no impact to the availability of the system.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Bypass a restriction or similar
CWE ID CWE id is not defined for this vulnerability

- Products Affected By CVE-2006-4436

# Product Type Vendor Product Version Update Edition Language
1 OS Openbsd Openbsd 3.8 * * * Version Details Vulnerabilities
2 OS Openbsd Openbsd 3.9 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Openbsd Openbsd 2

- References For CVE-2006-4436
OSVDB 28194
SECTRACK 1016757
OPENBSD [3.9] 20060825 008: SECURITY FIX: August 25, 2006
BID 19712 OpenBSD ISAKMPD IPsec Replay Vulnerability Release Date:2006-11-08
OPENBSD [3.8] 20060825 013: SECURITY FIX: August 25, 2006
XF openbsd-isakmpd-security-bypass(28645)

- Metasploit Modules Related To CVE-2006-4436

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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