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CVE-2008-4193

81
FAUCET Score

CVE-2008-4193 is a critical stack-based buffer overflow vulnerability affecting Alt-N Technologies SecurityGateway version 1.0.1. This flaw allows unauthenticated remote attackers to execute arbitrary code on the affected system by submitting an excessively long username parameter. With a CVSS score of 10.0, it presents a severe risk, enabling complete compromise of confidentiality, integrity, and availability. Exploit code, including Metasploit modules and Proof-of-Concept exploits, is publicly available, indicating a high likelihood of exploitation, though it is not currently listed on the KEV catalog.

Impacted Technologies

VendorProductVersion(s)CPE
1.0.1CPE matchmatch criteria
cpe:2.3:a:alt-n:securitygateway:1.0.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

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

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

Exploit Intelligence

EPSS Score
74.61%
Probability of exploitation in next 30 days
EPSS Percentile
99.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
Metasploit: Alt-N SecurityGateway username Buffer Overflow · Jun 2, 2008
ExploitDB: EDB-16803 · Jul 7, 2010
This CVE's current EPSS score of 0.7461 is in the 99th percentile among its peer group of 51,466 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

files.altn.com / securitygateway/release/relnotes_en.htm
secunia.com / advisories/30497
Vendor Advisory
securityreason.com / securityalert/4302
exchange.xforce.ibmcloud.com / vulnerabilities/42769
exploit-db.com / exploits/5718
exploit-db.com / exploits/5827
securityfocus.com / bid/29457
securitytracker.com / id
vupen.com / english/advisories/2008/1717/references