CVE-2006-0900nfsd in FreeBSD 6.0 kernel allows remote attackers to cause a denial of service via a crafted NFS mount request, as demonstrated by the…
- 7.8HighCVSS base score
- 65.1%Exploitation in 30 daysEPSS · top 0.7% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 2Public exploitsMetasploit, Nuclei and Exploit-DB
Description
nfsd in FreeBSD 6.0 kernel allows remote attackers to cause a denial of service via a crafted NFS mount request, as demonstrated by the ProtoVer NFS test suite.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Metasploit module and an Exploit-DB entry for it.
Show the exploits2
Metasploit modules1 module
- FreeBSD Remote NFS RPC Request Denial of Service (Metasploit module) (opens in a new tab)
auxiliary/dos/freebsd/nfsd/nfsd_mountRank normal
Exploit-DB1 entry
- FreeBSD 6.0 - 'nfsd' Remote Kernel Panic (Denial of Service) (Exploit-DB entry) (opens in a new tab)
EDB-ID 1540dos, bsdpublished 28 Feb 2006Verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
Published
- 18 years later
· 18 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
- EPSS (exploitation in 30 days)
- 65.1% · top 0.7% of all CVEs (12 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Affected products
n/a
- affected n/a
References
References6
- 23511 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 16838 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- [Dailydave] 20060226 fun with FreeBSD kernel (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 19017 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- freebsd-nfsd-kernel-dos(24918) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 521 (opens in a new tab)third-party-advisoryx_refsource_SREASONx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2006-0904 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2006-0900)Record last updated .