How severe is CVE-2004-2388?

CVE-2004-2388 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2004-2388 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2004-2388?

CVE-2004-2388 affects Ibm Aix. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2004-2388?

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-2004-2388 published?

CVE-2004-2388 was published on 2004-12-31 and last updated on 2026-06-16.

CVE-2004-2388

CVE-2004-2388 is a critical-severity vulnerability in Ibm Aix with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ibm Aix
Published: 2004-12-31
Last modified: 2026-06-16

Description

rexecd for AIX 4.3.3 does not properly use a local copy of the pwd structure when calling getpwnam, which may cause the structure to be overwritten by the authenticate function and assign privileges to the wrong user.

Frequently asked questions

What is CVE-2004-2388?: rexecd for AIX 4.3.3 does not properly use a local copy of the pwd structure when calling getpwnam, which may cause the structure to be overwritten by the authenticate function and assign privileges to the wrong user.
How severe is CVE-2004-2388?: CVE-2004-2388 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2004-2388 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-2388?: CVE-2004-2388 affects Ibm Aix. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2004-2388?: 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-2004-2388 published?: CVE-2004-2388 was published on 2004-12-31 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:o:ibm:aix:4.3.3:*:*:*:*:*:*:*

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