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Fencer Intel
medium 5.0

CVE-2010-2156 json

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 c…

published 2010-06-07 16 y ago modified 2026-06-16 4 mo ago also EUVD-2010-2172

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
76.2%
EPSS 76.2% chance of exploitation in 30 days, percentile 99.5%
public exploits
2
Metasploit, Exploit-DB

Summary

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.

Patch / fix

  • isc-dhcp Debian 13, Debian 12 4.1.1-P1-1

debian advisories DEBIAN-CVE-2010-2156

  • dhcp openSUSE Tumbleweed 4.3.3.P1-3.1

opensuse advisories openSUSE-SU-2024:10358-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2010-2156 updated cvss 5.0

dhcp: remote DoS via zero-length client ID

  • Red Hat Enterprise Linux 6 dhcp, dhclient, dhcp-common
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. Published
  2. First public exploit (EDB-14185)

Exploit prediction

76.18% chance of exploitation in the next 30 days, higher than 99.5% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.