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CVE-1999-0441

24
FAUCET Score

CVE-1999-0441 describes a denial-of-service vulnerability in Qbik WinGate versions 3.0, Pro 4.0.1, and Standard 4.0.1, caused by a buffer overflow in the Winsock Redirector Service. This vulnerability has a medium severity CVSS score of 5.0, indicating it can be exploited remotely with low complexity to achieve a partial denial of service. While not actively exploited in the wild and not listed in CISA's KEV catalog, proof-of-concept exploit code is publicly available on ExploitDB, though there is no record of Metasploit or Nuclei modules, nor any community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
3.0CPE matchmatch criteria
cpe:2.3:a:qbik:wingate:3.0:*:*:*:*:*:*:*

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
5.52%
Probability of exploitation in next 30 days
EPSS Percentile
92.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
ExploitDB: EDB-19410 · Feb 22, 1999
This CVE's current EPSS score of 0.0552 is in the 89th 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

eeye.com / html/Research/Advisories/AD02221999.html
securityfocus.com / bid/509