CVE-2010-1039

Exploitation likely. EPSS gives it a 20% chance of exploitation in the next 30 days. A vendor fix is available.

CVSS 2.010.0Critical EPSS percentile97th20% chance in 30 days CISA KEVNot listedNo confirmed exploitation
No public exploit known FixVendor fixNo build named by the sources

Published 2010-05-20Updated 2026-04-29Sources: CVE.org, NVD

NVD CVE.org

What to do

The vendor has published a fix. Version details are below where the sources state them.

Check it yourselfA free OpenVAS check exists for this CVE. Run it against your hosts.Is your organisation exposed?Request an assessment to establish which checks fit your systems.

What it is

From the CVE record

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.

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS97th

CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

20% chance of exploitation activity in the next 30 days, which ranks it in the 97th percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

6 events over 5880 days, from the signal feeds we watch.

2026-06-25OpenVAS check added
2026-04-29Patch availablerecord updated
2010-05-20Publishedweakness classified, att&ck mapped

Affected products

ibmcommercial · USaka international business machines
- aixOSOperating Systems / unix-bsd
- viosOn-premEnterprise Software / itsm-monitoring
hpcommercial · USaka hpe, hewlett packard
- nfs\/oncplusOn-premEnterprise Software / itsm-monitoring
sgicommercial · USaka s g i, sg i
- irixOSOperating Systems / unix-bsd

And 1 more affected product. See all after sign-in

Technical detail

CVSS 2.0 vector

Open in the CVSS calculator

AV:N/AC:L/Au:N/C:C/I:C/A:C

Scored 10.0 by NVD.

How it is reached

Access Vector NetworkExploitable remotely over the network
Access Complexity LowNo special conditions required
Authentication NoneNo authentication required

Impact if exploited

Confidentiality CompleteAll information is disclosed
Integrity CompleteAll data can be modified
Availability CompleteTotal shutdown of the affected resource

Weaknesses

CWE-134No name in the record

ATT&CK techniques

Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.

ExecutionT1059Command and Scripting Interpreterhigh confidence

Sources

References in the record

And 23 more references. See all after sign-in

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