CVE-2011-2748

Dhcp vulnerability

CVSS

7.8

EPSS

38.8%

EPSS pct

98th

Exploited

No known

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 DHCP packet.

Affected vendor

Isc

Affected product

Dhcp

CVSS vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Weakness type (CWE)

CWE-20 — Improper Input Validation

Published

2011-08-15

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to complete impact to availability.

Its EPSS score of 38.8% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2011-2748

Confirm whether Isc Dhcp is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2011-2748.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2011-2748

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