CVE-2012-3954

Dhcp vulnerability

CVSS

3.3

EPSS

4.3%

EPSS pct

90th

Exploited

No known

Multiple memory leaks in ISC DHCP 4.1.x and 4.2.x before 4.2.4-P1 and 4.1-ESV before 4.1-ESV-R6 allow remote attackers to cause a denial of service (memory consumption) by sending many requests.

Affected vendor

Isc

Affected product

Dhcp

CVSS vector

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

Weakness type (CWE)

CWE-399

Published

2012-07-25

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable from an adjacent network, low attack complexity, requiring no authentication. Successful exploitation leads to partial impact to availability.

Its EPSS score of 4.3% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 90% of all scored CVEs.

Check your external exposure to CVE-2012-3954

Confirm whether Isc Dhcp is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2012-3954.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2012-3954

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