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Fencer Vulns
medium 6.9

CVE-2007-4003 json

pioout in IBM AIX 5.3 SP6 allows local users to execute arbitrary code by specifying a malicious library with the -R (ParseRoutine) command…

published 2007-07-26 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-3987

cvss
6.9
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 78%
public exploits
1
Exploit-DB

Summary

pioout in IBM AIX 5.3 SP6 allows local users to execute arbitrary code by specifying a malicious library with the -R (ParseRoutine) command line argument.

Timeline

  1. Published
  2. First public exploit (EDB-4232)

Exploit prediction

1.75% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-4232 IBM AIX 5.3 SP6 - 'pioout' Arbitrary Library Loading Privilege Escalation local, 2007-07-27

CVSS scores

assigned by version score vector
NVD 2.0 6.9 AV:L/AC:M/Au:N/C:C/I:C/A:C

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.