Vulnerability in OpenBSD
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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.018 (78.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: +0.000
Affected products
- OpenBSD — versions 3.8, 3.9
References
- www.openbsd.org/errata38.html (vendor-advisory)
- www.osvdb.org/28194 (vdb-entry)
- exchange.xforce.ibmcloud.com/vulnerabilities/28645 (vdb-entry)
- securitytracker.com/id (Patch, vdb-entry)
- secunia.com/advisories/21652 (Patch, Vendor Advisory, third-party-advisory)
- www.debian.org/security/2006/dsa-1175 (vendor-advisory)
- www.securityfocus.com/bid/19712 (Patch, vdb-entry)
- secunia.com/advisories/21905 (third-party-advisory)
- www.openbsd.org/errata.html (vendor-advisory)