Race condition in IPFilter firewall 3.4.3 and earlier, when configured with overlapping "return-rst" and "keep state" rules, allows remote attackers to bypass access restrictions.
https://exchange.xforce.ibmcloud.com/vulnerabilities/4994
http://www.securityfocus.com/bid/1308
http://www.osvdb.org/1377
Source: Mitre, NVD
Published: 2000-05-26
Updated: 2026-06-16
Base Score: 2.6
Vector: CVSS2#AV:N/AC:H/Au:N/C:N/I:P/A:N
Severity: Low
Base Score: 7.4
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Severity: High
EPSS: 0.00441