How severe is CVE-2008-1335?

CVE-2008-1335 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2008-1335 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-1335?

CVE-2008-1335 primarily affects Netbsd. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-1335?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2008-1335 published?

CVE-2008-1335 was published on 2008-03-13 and last updated on 2026-06-16.

CVE-2008-1335

CVE-2008-1335 is a critical-severity vulnerability in Netbsd with a CVSS 2.0 base score of 9.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Netbsd
Published: 2008-03-13
Last modified: 2026-06-16

Description

The ipsec4_get_ulp function in the kernel in NetBSD 2.0 through 3.1 and NetBSD-current before 20071028, when the fast_ipsec subsystem is enabled, allows remote attackers to bypass the IPsec policy by sending packets from a source machine with a different endianness than the destination machine, a different vulnerability than CVE-2006-0905.

Frequently asked questions

What is CVE-2008-1335?: The ipsec4_get_ulp function in the kernel in NetBSD 2.0 through 3.1 and NetBSD-current before 20071028, when the fast_ipsec subsystem is enabled, allows remote attackers to bypass the IPsec policy by sending packets from a source machine with a different endianness than the destination machine, a different vulnerability than CVE-2006-0905.
How severe is CVE-2008-1335?: CVE-2008-1335 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2008-1335 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-1335?: CVE-2008-1335 primarily affects Netbsd. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-1335?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2008-1335 published?: CVE-2008-1335 was published on 2008-03-13 and last updated on 2026-06-16.

References

Affected products (14)

cpe:2.3:o:netbsd:netbsd:2.0:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:2.0.1:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:2.0.2:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:2.0.3:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:2.0.4:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:2.1:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:2.1.1:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:3.0:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:3.0.1:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:3.0.2:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:3.1:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:3.1:rc1:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:3.1:rc3:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd_current:*:*:*:*:*:*:*:*

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