CVE-2001-0183

UnknownEPSS 8.09%

Last modified

CVE-2001-0183 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 8.09% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
8.09%

94.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
FreebsdFreebsd3.0
FreebsdFreebsd3.1
FreebsdFreebsd3.3
FreebsdFreebsd3.4
FreebsdFreebsd3.5
FreebsdFreebsd3.5.1
FreebsdFreebsd4.0
FreebsdFreebsd4.1
FreebsdFreebsd4.1.1
FreebsdFreebsd4.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2001-0183?
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.
How severe is CVE-2001-0183?
Severity scoring for CVE-2001-0183 is pending analysis. The EPSS model estimates a 8.09% probability of exploitation in the next 30 days.
How do I fix CVE-2001-0183?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2001-0183?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST