How severe is CVE-2009-0900?

CVE-2009-0900 has a CVSS 2.0 base score of 4.1, rated medium severity.

Is CVE-2009-0900 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-0900?

CVE-2009-0900 primarily affects Ibm Websphere Mq. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-0900?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2009-0900 published?

CVE-2009-0900 was published on 2011-10-30 and last updated on 2026-06-16.

CVE-2009-0900

CVE-2009-0900 is a medium-severity vulnerability in Ibm Websphere Mq with a CVSS 2.0 base score of 4.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: Medium (CVSS 2.0 base score 4.1)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Ibm Websphere Mq
Published: 2011-10-30
Last modified: 2026-06-16

Description

Heap-based buffer overflow in the client in IBM WebSphere MQ 6.0 before 6.0.2.7 and 7.0 before 7.0.1.0 allows local users to gain privileges via crafted SSL information in a Client Channel Definition Table (CCDT) file.

Frequently asked questions

What is CVE-2009-0900?: Heap-based buffer overflow in the client in IBM WebSphere MQ 6.0 before 6.0.2.7 and 7.0 before 7.0.1.0 allows local users to gain privileges via crafted SSL information in a Client Channel Definition Table (CCDT) file.
How severe is CVE-2009-0900?: CVE-2009-0900 has a CVSS 2.0 base score of 4.1, rated medium severity.
Is CVE-2009-0900 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-0900?: CVE-2009-0900 primarily affects Ibm Websphere Mq. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-0900?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-0900 published?: CVE-2009-0900 was published on 2011-10-30 and last updated on 2026-06-16.

References

Affected products (14)

cpe:2.3:a:ibm:websphere_mq:6.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_mq:6.0.1.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_mq:6.0.1.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_mq:6.0.2.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_mq:6.0.2.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_mq:6.0.2.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_mq:6.0.2.3:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_mq:6.0.2.4:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_mq:6.0.2.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_mq:6.0.2.6:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_mq:6.0.2.10:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_mq:7.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_mq:7.0.0.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_mq:7.0.0.2:*:*:*:*:*:*:*

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