VulnerabilityModified
CVE-2000-0916
FreeBSD 4.1.1 and earlier, and possibly other BSD-based OSes, uses an insufficient random number generator to generate initial TCP sequence numbers (ISN), which allows remote attackers to spoof TCP connections.
HIGH 7.5EPSS 5.55%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (5.55%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
FreeBSD 4.1.1 and earlier, and possibly other BSD-based OSes, uses an insufficient random number generator to generate initial TCP sequence numbers (ISN), which allows remote attackers to spoof TCP connections.
- CVSS 2.0
- 7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 5.55% probability · 92th percentile
- CISA KEV
- Not listed
- Affected
- freebsd/freebsd
- Source
- cve@mitre.org
References
- ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-00:52.tcp-iss.ascPatch, Vendor Advisory
- http://www.securityfocus.com/bid/1766Patch, Vendor Advisory
- ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-00:52.tcp-iss.ascPatch, Vendor Advisory
- http://www.securityfocus.com/bid/1766Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.