dhcp: remote DoS via zero-length client ID
Published Jun 7, 2010
5.0
MEDIUMCVSS 2.0
EPSS 76.41%
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.
Affected products
No data.
Configuration 1
No data.
Red Hat Enterprise Linux 6
dhcp
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | dhcp | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Not vulnerable. These issues did not affect the versions of dhcp as shipped with Red Hat Enterprise Linux 3, 4, or 5.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 76.41% (0.76412) | 99.53th | v5 (v2026.06.15) |
| Jun 15, 2026 | 76.41% (0.76412) | 99.48th | v5 (v2026.06.15) |
| Mar 17, 2025 | 87.69% (0.87694) | 99.43th | v4 (v2025.03.14) |
| Dec 12, 2024 | 96.67% (0.96675) | 99.70th | v3 (v2023.03.01) |
| Jan 29, 2024 | 96.68% (0.96678) | 99.57th | v3 (v2023.03.01) |
| Dec 17, 2023 | 96.84% (0.96839) | 99.62th | v3 (v2023.03.01) |
| Sep 21, 2023 | 96.81% (0.96813) | 99.55th | v3 (v2023.03.01) |
| May 6, 2023 | 96.97% (0.96974) | 99.56th | v3 (v2023.03.01) |
| Mar 7, 2023 | 96.99% (0.96993) | 99.52th | v3 (v2023.03.01) |
| Mar 6, 2023 | 79.37% (0.79366) | 99.48th | v2 (v2022.01.01) |
| Feb 4, 2022 | 79.37% (0.79366) | 99.37th | v2 (v2022.01.01) |
References (13)
- http://ftp.isc.org/isc/dhcp/dhcp-4.0.2-P1-RELNOTES x_refsource_CONFIRM
- http://ftp.isc.org/isc/dhcp/dhcp-4.1.1-P1-RELNOTES x_refsource_CONFIRM
- http://lists.fedoraproject.org/pipermail/package-announce/2010-June/042843.html vendor-advisoryx_refsource_FEDORA
- http://secunia.com/advisories/40116 third-party-advisoryx_refsource_SECUNIA
- http://www.exploit-db.com/exploits/14185 exploitx_refsource_EXPLOIT-DB
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:114 vendor-advisoryx_refsource_MANDRIVA
- http://www.securityfocus.com/bid/40775 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id?1024093 vdb-entryx_refsource_SECTRACK
- https://access.redhat.com/security/cve/CVE-2010-2156 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=601403 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/59222 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2010-2156
- https://www.cve.org/CVERecord?id=CVE-2010-2156
| Link | Providers | Tags |
|---|---|---|
| http://ftp.isc.org/isc/dhcp/dhcp-4.0.2-P1-RELNOTES | x_refsource_CONFIRM | |
| http://ftp.isc.org/isc/dhcp/dhcp-4.1.1-P1-RELNOTES | x_refsource_CONFIRM | |
| http://lists.fedoraproject.org/pipermail/package-announce/2010-June/042843.html | vendor-advisoryx_refsource_FEDORA | |
| http://secunia.com/advisories/40116 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.exploit-db.com/exploits/14185 | exploitx_refsource_EXPLOIT-DB | |
| http://www.mandriva.com/security/advisories?name=MDVSA-2010:114 | vendor-advisoryx_refsource_MANDRIVA | |
| http://www.securityfocus.com/bid/40775 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id?1024093 | vdb-entryx_refsource_SECTRACK | |
| https://access.redhat.com/security/cve/CVE-2010-2156 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=601403 | Issue Tracking | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/59222 | vdb-entryx_refsource_XF | |
| https://nvd.nist.gov/vuln/detail/CVE-2010-2156 | ||
| https://www.cve.org/CVERecord?id=CVE-2010-2156 |
Change history (0)
No recorded changes yet.