Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2006-1646

15
FAUCET Score

CVE-2006-1646 describes a denial-of-service vulnerability in the IKEv1 implementation of the Shoichi Sakane KAME Project racoon, affecting NetBSD, FreeBSD, and potentially other BSD/Linux systems when operating in aggressive mode. This flaw allows unauthenticated remote attackers to crash the daemon by sending specially crafted IKE packets. With a CVSS score of 5.0, this vulnerability is of medium severity, requiring no authentication and having low attack complexity to achieve a partial denial of service. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1CPE matchmatch criteria
cpe:2.3:a:internet_key_exchange:internet_key_exchange:1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.41%
Probability of exploitation in next 30 days
EPSS Percentile
82.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0241 is in the 73rd percentile among its peer group of 23,703 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

ftp.netbsd.org / pub/NetBSD/security/advisories/NetBSD-SA2006-003.txt.asc
mail-index.netbsd.org / source-changes/2006/01/19/0017.html
secunia.com / advisories/19463
Vendor Advisory
ee.oulu.fi / research/ouspg/protos/testing/c09/isakmp
niscc.gov.uk / niscc/docs/re-20051114-01014.pdf