How severe is CVE-2008-5133?

CVE-2008-5133 has a CVSS 2.0 base score of 5.8, rated medium severity.

Is CVE-2008-5133 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-5133?

CVE-2008-5133 primarily affects Sun Opensolaris. In total, 182 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-5133?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2008-5133 published?

CVE-2008-5133 was published on 2008-11-18 and last updated on 2026-06-16.

CVE-2008-5133

CVE-2008-5133 is a medium-severity vulnerability in Sun Opensolaris with a CVSS 2.0 base score of 5.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: Medium (CVSS 2.0 base score 5.8)
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Sun Opensolaris
Published: 2008-11-18
Last modified: 2026-06-16

Description

ipnat in IP Filter in Sun Solaris 10 and OpenSolaris before snv_96, when running on a DNS server with Network Address Translation (NAT) configured, improperly changes the source port of a packet when the destination port is the DNS port, which allows remote attackers to bypass an intended CVE-2008-1447 protection mechanism and spoof the responses to DNS queries sent by named.

Frequently asked questions

What is CVE-2008-5133?: ipnat in IP Filter in Sun Solaris 10 and OpenSolaris before snv_96, when running on a DNS server with Network Address Translation (NAT) configured, improperly changes the source port of a packet when the destination port is the DNS port, which allows remote attackers to bypass an intended CVE-2008-1447 protection mechanism and spoof the responses to DNS queries sent by named.
How severe is CVE-2008-5133?: CVE-2008-5133 has a CVSS 2.0 base score of 5.8, rated medium severity.
Is CVE-2008-5133 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-5133?: CVE-2008-5133 primarily affects Sun Opensolaris. In total, 182 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-5133?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2008-5133 published?: CVE-2008-5133 was published on 2008-11-18 and last updated on 2026-06-16.

References

Affected products (182)

cpe:2.3:o:sun:opensolaris:*:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:*:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_01:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_01:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_02:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_02:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_03:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_03:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_04:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_04:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_05:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_05:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_06:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_06:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_07:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_07:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_08:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_08:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_09:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_09:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_10:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_10:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_11:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_12:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_13:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_14:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_15:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_16:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_17:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_18:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_19:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_20:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_21:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_21:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_22:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_22:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_23:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_23:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_24:*:sparc:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_24:*:x86:*:*:*:*:*

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