CVE-2010-2156
ISC DHCP 4.1 before 4.1.1-P1 and 4.0 before 4.0.2-P1 allows remote attackers to cause a denial of service (server exit) via a zero-length…
- 5.0MediumCVSS base score
- 76.2%Exploitation in 30 daysEPSS · top 0.5% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 2Public exploitsMetasploit, Nuclei and Exploit-DB
Description
ISC DHCP 4.1 before 4.1.1-P1 and 4.0 before 4.0.2-P1 allows remote attackers to cause a denial of service (server exit) via a zero-length client ID.
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. A reference of the record is tagged as an exploit.
Show the exploits3
Metasploit modules1 module
- ISC DHCP Zero Length ClientID Denial of Service Module (Metasploit module) (opens in a new tab)
auxiliary/dos/dhcp/isc_dhcpd_clientidRank normal
Exploit-DB1 entry
- ISC DHCPD - Denial of Service (Exploit-DB entry) (opens in a new tab)
EDB-ID 14185dos, multiplepublished 3 Jul 2010Not verified
References tagged exploit1 reference
- 14185 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
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
- 4 days later
· 4 days later
Published
- 14 years later
· 14 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 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 76.2% · top 0.5% of all CVEs (9 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Affected products
n/a
- affected n/a
References
9
- MDVSA-2010:114 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- 40116 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://ftp.isc.org/isc/dhcp/dhcp-4.1.1-P1-RELNOTES (opens in a new tab)x_refsource_CONFIRMx_transferred
- FEDORA-2010-9433 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- 40775 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 14185 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- dhcp-zero-length-dos(59222) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- http://ftp.isc.org/isc/dhcp/dhcp-4.0.2-P1-RELNOTES (opens in a new tab)x_refsource_CONFIRMx_transferred
- 1024093 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_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-2010-2172 (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-2010-2156)Record last updated .