CVE-2001-0183 Security feature bypass in n/a

What is CVE-2001-0183?

CVE-2001-0183 is a high-severity vulnerability in Freebsd Freebsd, published on 7 May 2001. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Which versions are affected by CVE-2001-0183?

It affects 1 product.

Products include Freebsd Freebsd.

How do I fix CVE-2001-0183?

No fix has been published for CVE-2001-0183 yet. Limit exposure of the affected software until one is available.

Is CVE-2001-0183 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2001-0183 exists.

Public exploit code: 1 Exploit-DB entry.

Other vulnerabilities in Freebsd Freebsd

• CVE-2018-17160 Memory corruption in FreeBSD Critical 10.0
• CVE-2014-3954 Memory corruption in n/a Critical 10.0
• CVE-2006-4304 Memory corruption in n/a Critical 10.0
• CVE-2006-0226 Integer overflow in n/a Critical 10.0
• CVE-2004-0002 Denial of service in n/a Critical 10.0

All Freebsd Freebsd vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-6wc5-6x3h-cm5p.