VulnerabilityModified
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.
HIGH 7.5EPSS 8.09%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (8.09%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a 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.
- CVSS 2.0
- 7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 8.09% probability · 94th percentile
- CISA KEV
- Not listed
- Affected
- freebsd/freebsd
- Source
- cve@mitre.org
References
- ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-01:08.ipfw.ascPatch, Vendor Advisory
- http://www.ciac.org/ciac/bulletins/l-029.shtml
- http://www.osvdb.org/1743
- http://www.security-express.com/archives/bugtraq/2001-01/0424.html
- http://www.securityfocus.com/bid/2293Exploit, Patch, Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/5998
- ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-01:08.ipfw.ascPatch, Vendor Advisory
- http://www.ciac.org/ciac/bulletins/l-029.shtml
- http://www.osvdb.org/1743
- http://www.security-express.com/archives/bugtraq/2001-01/0424.html
- http://www.securityfocus.com/bid/2293Exploit, Patch, Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/5998
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.