How severe is CVE-2010-1039?

CVE-2010-1039 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2010-1039 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 20% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-1039?

CVE-2010-1039 primarily affects Hp Nfs/oncplus. In total, 42 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-1039?

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-2010-1039 published?

CVE-2010-1039 was published on 2010-05-20 and last updated on 2026-06-16.

CVE-2010-1039

CVE-2010-1039 is a critical-severity vulnerability in Hp Nfs/oncplus with a CVSS 2.0 base score of 10.0. Its EPSS exploit-prediction score of 20% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-134.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 20% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-134
Affected product: Hp Nfs/oncplus
Published: 2010-05-20
Last modified: 2026-06-16

Description

Format string vulnerability in the _msgout function in rpc.pcnfsd in IBM AIX 6.1, 5.3, and earlier; IBM VIOS 2.1, 1.5, and earlier; NFS/ONCplus B.11.31_09 and earlier on HP HP-UX B.11.11, B.11.23, and B.11.31; and SGI IRIX 6.5 allows remote attackers to execute arbitrary code via an RPC request containing format string specifiers in an invalid directory name.

Frequently asked questions

What is CVE-2010-1039?: Format string vulnerability in the _msgout function in rpc.pcnfsd in IBM AIX 6.1, 5.3, and earlier; IBM VIOS 2.1, 1.5, and earlier; NFS/ONCplus B.11.31_09 and earlier on HP HP-UX B.11.11, B.11.23, and B.11.31; and SGI IRIX 6.5 allows remote attackers to execute arbitrary code via an RPC request containing format string specifiers in an invalid directory name.
How severe is CVE-2010-1039?: CVE-2010-1039 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2010-1039 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 20% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-1039?: CVE-2010-1039 primarily affects Hp Nfs/oncplus. In total, 42 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-1039?: 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-2010-1039 published?: CVE-2010-1039 was published on 2010-05-20 and last updated on 2026-06-16.

References

Affected products (42)

cpe:2.3:a:hp:nfs\/oncplus:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:1.2.1:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:1.3:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:2.2.1:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:3.1:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:3.2:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:3.2.0:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:3.2.4:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:3.2.5:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:4:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:4.0:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:4.1:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:4.1.1:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:4.1.2:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:4.1.3:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:4.1.4:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:4.1.5:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:4.2:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:4.2.0:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:4.2.1:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:4.2.1.12:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:4.3:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:4.3.0:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:4.3.1:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:4.3.2:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:4.3.3:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:5.1:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:5.1.0.10:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:5.1l:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:5.2:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:5.2.0:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:5.2.0.50:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:5.2.0.54:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:5.2.2:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:5.2_l:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:6.1:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:430:*:*:*:*:*:*:*
cpe:2.3:a:ibm:vios:*:*:*:*:*:*:*:*
cpe:2.3:a:ibm:vios:1.4:*:*:*:*:*:*:*

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