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-2004-0819

19
FAUCET Score

CVE-2004-0819 describes a denial-of-service vulnerability affecting OpenBSD versions 3.4 and 3.5. Specifically, the bridge functionality in a gateway configured as a bridging firewall with IPSec's link2 option enabled can crash when receiving an ICMP echo (ping) packet. This vulnerability has a CVSS score of 5.0, indicating a medium severity, as it can be exploited remotely with low attack complexity and no authentication, resulting in a denial of service. There is no known active exploitation, and no public exploit code is available in Metasploit, Nuclei, or ExploitDB, though it has garnered some community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
3.2CPE matchmatch criteria
cpe:2.3:o:openbsd:openbsd:3.2:*:*:*:*:*:*:*
3.3CPE matchmatch criteria
cpe:2.3:o:openbsd:openbsd:3.3:*:*:*:*:*:*:*
3.4CPE matchmatch criteria
cpe:2.3:o:openbsd:openbsd:3.4:*:*:*:*:*:*:*
3.5CPE matchmatch criteria
cpe:2.3:o:openbsd:openbsd:3.5:*:*:*:*:*:*:*

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
1.41%
Probability of exploitation in next 30 days
EPSS Percentile
69.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0141 is in the 52nd percentile among its peer group of 23,705 CVEs.

Social Chatter

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
openbsd.org / errata34.html
PatchVendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/17129