CVE-2009-0505

CVE-2009-0505 is a critical-severity vulnerability in Ibm Txseries with a CVSS 2.0 base score of 9.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

The CICS listener in IBM TXSeries for Multiplatforms 6.2 GA waits for a forcepurge acknowledgement from the CICS Application Server (CICSAS) after an eci response timeout, which might allow remote authenticated users to cause a denial of service (forcepurge handling delay), or have unspecified other impact, via vectors involving slow or nonexistent acknowledgement.

Frequently asked questions

What is CVE-2009-0505?
The CICS listener in IBM TXSeries for Multiplatforms 6.2 GA waits for a forcepurge acknowledgement from the CICS Application Server (CICSAS) after an eci response timeout, which might allow remote authenticated users to cause a denial of service (forcepurge handling delay), or have unspecified other impact, via vectors involving slow or nonexistent acknowledgement.
How severe is CVE-2009-0505?
CVE-2009-0505 has a CVSS 2.0 base score of 9.0, rated critical severity.
Is CVE-2009-0505 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-0505?
CVE-2009-0505 primarily affects Ibm Txseries. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-0505?
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-2009-0505 published?
CVE-2009-0505 was published on 2009-02-25 and last updated on 2026-06-16.

References

Affected products (6)