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CVE-2004-0218

16
FAUCET Score

CVE-2004-0218 describes a denial-of-service vulnerability in isakmpd within OpenBSD 3.4 and earlier versions. Remote attackers can trigger an infinite loop by sending a specially crafted ISAKMP packet containing a zero-length payload. This vulnerability carries a CVSS score of 5.0, indicating a medium severity, and can be exploited with low attack complexity over the network, leading to a partial availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.4CPE matchmatch criteria
cpe:2.3:o:openbsd:openbsd:*:*:*:*:*:*:*:*

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
3.18%
Probability of exploitation in next 30 days
EPSS Percentile
86.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0318 is in the 82nd percentile among its peer group of 23,725 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

marc.info
secunia.com / advisories/11156
exchange.xforce.ibmcloud.com / vulnerabilities/15518
kb.cert.org / vuls/id/349113
US Government Resource
openbsd.org / errata.html
Patch
rapid7.com / advisories/R7-0018.html
securityfocus.com / bid/10028
securitytracker.com / alerts/2004/Mar/1009468.html