CVE-2001-0183

Public Exploit

Description

ipfw and ip6fw in FreeBSD 4.2 and earlier allows remote attackers to bypass access restrictions by setting the ECE flag in a TCP packet, which makes the packet appear to be part of an established connection.

7.5

CVSS

Severity: High

CVSS 2.0 •

EPSS 8.91% Top 10%

Vendor Advisory freebsd.org Vendor Advisory securityfocus.com

Affected: n/a n/a

References

Link	Tags
http://www.securityfocus.com/bid/2293	patch vendor advisory vdb entry exploit
http://www.ciac.org/ciac/bulletins/l-029.shtml	third party advisory government resource
http://www.security-express.com/archives/bugtraq/2001-01/0424.html	mailing list
https://exchange.xforce.ibmcloud.com/vulnerabilities/5998	vdb entry
ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-01:08.ipfw.asc	patch vendor advisory
http://www.osvdb.org/1743	vdb entry

Frequently Asked Questions

What is the severity of CVE-2001-0183?: CVE-2001-0183 has been scored as a high severity vulnerability.
How to fix CVE-2001-0183?: To fix CVE-2001-0183, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2001-0183 being actively exploited in the wild?: It is possible that CVE-2001-0183 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~9% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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