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CVE-2005-4321

20
FAUCET Score

CVE-2005-4321 describes a denial-of-service vulnerability affecting the Internet Key Exchange version 1 (IKEv1) implementation in Apani Networks EpiForce 1.9 and earlier. Remote attackers can trigger a system crash by sending specially crafted IKE packets. This vulnerability has a CVSS score of 7.8, indicating high severity, and requires no authentication or complex attack vectors, leading to a complete loss of availability. 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
<= 1.9CPE matchmatch criteria
cpe:2.3:a:apani_networks:epiforce_agent:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.8HIGH

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.59%
Probability of exploitation in next 30 days
EPSS Percentile
83.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0259 is in the 71st percentile among its peer group of 51,551 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, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

secunia.com / advisories/17985
PatchVendor Advisory
kb.cert.org / vuls/id/226364
Third Party AdvisoryUS Government Resource
niscc.gov.uk / niscc/docs/re-20051114-01014.pdf
PatchVendor Advisory
securityfocus.com / archive/1/419104/100/0/threaded
securityfocus.com / bid/15797
securitytracker.com / alerts/2005/Dec/1015340.html
PatchVendor Advisory
vupen.com / english/advisories/2005/2855