How severe is CVE-2009-0872?

CVE-2009-0872 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2009-0872 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-2009-0872?

CVE-2009-0872 primarily affects Sun Opensolaris. In total, 221 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-0872?

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

When was CVE-2009-0872 published?

CVE-2009-0872 was published on 2009-03-11 and last updated on 2026-06-16.

CVE-2009-0872

CVE-2009-0872 is a medium-severity vulnerability in Sun Opensolaris with a CVSS 2.0 base score of 6.8. 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 6.8)
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Sun Opensolaris
Published: 2009-03-11
Last modified: 2026-06-16

Description

The NFS server in Sun Solaris 10, and OpenSolaris before snv_111, does not properly implement the AUTH_NONE (aka sec=none) security mode in combination with other security modes, which allows remote attackers to bypass intended access restrictions and read or modify files, as demonstrated by a combination of the AUTH_NONE and AUTH_SYS security modes.

Frequently asked questions

What is CVE-2009-0872?: The NFS server in Sun Solaris 10, and OpenSolaris before snv_111, does not properly implement the AUTH_NONE (aka sec=none) security mode in combination with other security modes, which allows remote attackers to bypass intended access restrictions and read or modify files, as demonstrated by a combination of the AUTH_NONE and AUTH_SYS security modes.
How severe is CVE-2009-0872?: CVE-2009-0872 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2009-0872 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-2009-0872?: CVE-2009-0872 primarily affects Sun Opensolaris. In total, 221 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-0872?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-0872 published?: CVE-2009-0872 was published on 2009-03-11 and last updated on 2026-06-16.

References

Affected products (221)

cpe:2.3:o:sun:opensolaris:*:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_01:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_02:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_03:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_04:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_05:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_06:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_07:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_08:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_09:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_10:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_11:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_12:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_13:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_14:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_15:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_16:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_17:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_18:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_19:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_20:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_21:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_22:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_23:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_24:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_25:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_26:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_27:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_28:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_29:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_30:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_31:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_32:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_33:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_34:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_35:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_36:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_37:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_38:*:x86:*:*:*:*:*
cpe:2.3:o:sun:opensolaris:snv_39:*:x86:*:*:*:*:*

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