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Case File

CVE-2006-4436

MEDIUM · CVSS 5 EPSS 1.80%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2006-08-29 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE
CVE-2006-4436
Severity
MEDIUM
CVSS
5
EPSS
1.80%

Original NVD Description

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.