Back
CVE-2011-2749
The server in ISC DHCP 3.x and 4.x before 4.2.2, 3.1-ESV before 3.1-ESV-R3, and 4.1-ESV before 4.1-ESV-R3 allows remote attackers to cause…
- 7.8HighCVSS base score
- 38.8%Exploitation in 30 daysEPSS · top 1.4% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
The server in ISC DHCP 3.x and 4.x before 4.2.2, 3.1-ESV before 3.1-ESV-R3, and 4.1-ESV before 4.1-ESV-R3 allows remote attackers to cause a denial of service (daemon exit) via a crafted BOOTP packet.
Timeline
ID reserved
By mitre
- 32 days later
· 32 days later
Published
- 13 years later
· 13 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)
- 38.8% · top 1.4% of all CVEs (9 Nov 2026)
Loading the EPSS history…
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
24
- USN-1190-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- FEDORA-2011-10705 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- 45595 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- openSUSE-SU-2011:1021 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- DSA-2292 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- RHSA-2011:1160 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 1025918 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 45817 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 49120 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- http://www.isc.org/files/release-notes/DHCP%204.1-ESV-R3.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://www.isc.org/files/release-notes/DHCP%203.1-ESV-R3_0.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10761 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 45582 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- https://bugzilla.redhat.com/attachment.cgi?id=517665&action=diff (opens in a new tab)x_refsource_CONFIRMx_transferred
- 45918 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://www.isc.org/software/dhcp/advisories/cve-2011-2748 (opens in a new tab)x_refsource_CONFIRMx_transferred
- GLSA-201301-06 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- http://www.isc.org/files/release-notes/DHCP%204.2.2_0.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- 45639 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=729382 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 45629 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- SUSE-SU-2011:1023 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- MDVSA-2011:128 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- 46780 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_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-2011-2724 (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-2011-2749)Record last updated .