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.

Published: 2008-03-13 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2008-1335 is rated Moderate Risk (58.9/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 0.41%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2008-1335

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-29 0.30% 0.41% +0.11%
2 2025-03-30 0.83% 0.30% -0.52%
3 2025-03-29 — 0.83% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2008-1335

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 8.6 10.0 [email protected]

Weakness enumeration for CVE-2008-1335

Affected software / configurations for CVE-2008-1335

Vendor Product Version Raw CPE
netbsd netbsd 2.0 cpe:2.3:o:netbsd:netbsd:2.0:*:*:*:*:*:*:*
netbsd netbsd 2.0.1 cpe:2.3:o:netbsd:netbsd:2.0.1:*:*:*:*:*:*:*
netbsd netbsd 2.0.2 cpe:2.3:o:netbsd:netbsd:2.0.2:*:*:*:*:*:*:*
netbsd netbsd 2.0.3 cpe:2.3:o:netbsd:netbsd:2.0.3:*:*:*:*:*:*:*
netbsd netbsd 2.0.4 cpe:2.3:o:netbsd:netbsd:2.0.4:*:*:*:*:*:*:*
netbsd netbsd 2.1 cpe:2.3:o:netbsd:netbsd:2.1:*:*:*:*:*:*:*
netbsd netbsd 2.1.1 cpe:2.3:o:netbsd:netbsd:2.1.1:*:*:*:*:*:*:*
netbsd netbsd 3.0 cpe:2.3:o:netbsd:netbsd:3.0:*:*:*:*:*:*:*
netbsd netbsd 3.0.1 cpe:2.3:o:netbsd:netbsd:3.0.1:*:*:*:*:*:*:*
netbsd netbsd 3.0.2 cpe:2.3:o:netbsd:netbsd:3.0.2:*:*:*:*:*:*:*
netbsd netbsd 3.1 cpe:2.3:o:netbsd:netbsd:3.1:*:*:*:*:*:*:*
netbsd netbsd 3.1 cpe:2.3:o:netbsd:netbsd:3.1:rc1:*:*:*:*:*:*
netbsd netbsd 3.1 cpe:2.3:o:netbsd:netbsd:3.1:rc3:*:*:*:*:*:*
netbsd netbsd_current <= 20071027 cpe:2.3:o:netbsd:netbsd_current:*:*:*:*:*:*:*:*

References for CVE-2008-1335

cvelogic Threat Intelligence