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Vulnerability record · CVE-2009-3004 · published 28 August 2009

CVE-2009-3004: Avant force avant browser vulnerability

AAvant Force · Avant Browser

Avant Browser 11.7 Builds 35 and 36 allows remote attackers to spoof the address bar, via window.open with a relative URI, to show an arbitrary URL on the web site visited by the victim, as demonstrated by a visit to an attacker-controlled web page, which triggers a spoofed login form for the site containing that page. NOTE: a related attack was reported in which an arbitrary file: URL is shown.

4.3 CVSS 2.0 Medium EPSS 0.89% · top 42.2%
4.3CVSS 2.0 base score
0.89%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
16 Jun 2026Last modified by NVD

Description

Avant Browser 11.7 Builds 35 and 36 allows remote attackers to spoof the address bar, via window.open with a relative URI, to show an arbitrary URL on the web site visited by the victim, as demonstrated by a visit to an attacker-controlled web page, which triggers a spoofed login form for the site containing that page. NOTE: a related attack was reported in which an arbitrary file: URL is shown.

AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lostmon.blogspot.com/2009/08/multiple-browsers-fake-url-folder-file.html
http://lostmon.blogspot.com/2009/08/multiple-browsers-fake-url-folder-file.html

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.3CVE-2007-1501Avant force avant browser vulnerabilityStack-based buffer overflow in Avant Browser 11.0 build 26 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrar…EPSS 5.8%7.5CVE-2003-1321Avant force avant browser vulnerabilityBuffer overflow in Avant Browser 8.02 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long URL…EPSS 4.5%

Source: NIST National Vulnerability Database (record CVE-2009-3004), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.