CVE-2008-3530

Freebsd vulnerability

CVSS

7.1

EPSS

4.5%

EPSS pct

91th

Exploited

No known

sys/netinet6/icmp6.c in the kernel in FreeBSD 6.3 through 7.1, NetBSD 3.0 through 4.0, and possibly other operating systems does not properly check the proposed new MTU in an ICMPv6 Packet Too Big Message, which allows remote attackers to cause a denial of service (panic) via a crafted Packet Too Big Message.

Affected vendor

Freebsd

Affected product

Freebsd

CVSS vector

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

Weakness type (CWE)

CWE-20 — Improper Input Validation

Published

2008-09-05

Risk analysis

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

Its EPSS score of 4.5% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 91% of all scored CVEs.

Check your external exposure to CVE-2008-3530

Confirm whether Freebsd Freebsd is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2008-3530.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2008-3530

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2008-3530 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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