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CVE-1999-0905

24
FAUCET Score

CVE-1999-0905 describes a denial-of-service vulnerability affecting Axent Raptor firewall versions 6.0 and earlier. This flaw allows an unauthenticated attacker to crash the firewall by sending specially crafted packets containing malformed zero-length IP options. With a CVSS score of 5.0 (Medium), this vulnerability is easily exploitable over the network with low attack complexity, leading to a complete loss of availability for the affected system. While there is an ExploitDB entry (EDB-19564) detailing a denial-of-service exploit, there is no evidence of active exploitation, Metasploit modules, or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:a:axent:raptor_firewall:*:*:*:*:*:*:*:*

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
4.65%
Probability of exploitation in next 30 days
EPSS Percentile
90.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-19564 · Oct 21, 1999
This CVE's current EPSS score of 0.0465 is in the 87th percentile among its peer group of 23,701 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

osvdb.org / 1121
securityfocus.com / bid/736