How severe is CVE-2009-1954?

CVE-2009-1954 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2009-1954 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-1954?

CVE-2009-1954 affects Ibm Aix. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2009-1954?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2009-1954 published?

CVE-2009-1954 was published on 2009-06-08 and last updated on 2026-06-16.

CVE-2009-1954

CVE-2009-1954 is a high-severity vulnerability in Ibm Aix with a CVSS 2.0 base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ibm Aix
Published: 2009-06-08
Last modified: 2026-06-16

Description

Unspecified vulnerability in portmapper (aka portmap) in IBM AIX 5.3 allows attackers to cause a denial of service (daemon hang) via unknown vectors, related to libtli.

Frequently asked questions

What is CVE-2009-1954?: Unspecified vulnerability in portmapper (aka portmap) in IBM AIX 5.3 allows attackers to cause a denial of service (daemon hang) via unknown vectors, related to libtli.
How severe is CVE-2009-1954?: CVE-2009-1954 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2009-1954 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-1954?: CVE-2009-1954 affects Ibm Aix. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-1954?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2009-1954 published?: CVE-2009-1954 was published on 2009-06-08 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:o:ibm:aix:5.3:*:*:*:*:*:*:*

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