How severe is CVE-2011-1378?

CVE-2011-1378 has a CVSS 2.0 base score of 1.9, rated low severity.

Is CVE-2011-1378 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-1378?

CVE-2011-1378 affects Ibm Websphere Mq. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2011-1378?

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

When was CVE-2011-1378 published?

CVE-2011-1378 was published on 2011-11-26 and last updated on 2026-06-16.

CVE-2011-1378

CVE-2011-1378 is a low-severity vulnerability in Ibm Websphere Mq with a CVSS 2.0 base score of 1.9. 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-264.

Key facts

Severity: Low (CVSS 2.0 base score 1.9)
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Ibm Websphere Mq
Published: 2011-11-26
Last modified: 2026-06-16

Description

IBM WebSphere MQ 6.0 on OpenVMS, when the default rights of the MQM group are established, does not properly verify User Authorization File (UAF) data, which allows local users to kill listener processes and the command server via a control command.

Frequently asked questions

What is CVE-2011-1378?: IBM WebSphere MQ 6.0 on OpenVMS, when the default rights of the MQM group are established, does not properly verify User Authorization File (UAF) data, which allows local users to kill listener processes and the command server via a control command.
How severe is CVE-2011-1378?: CVE-2011-1378 has a CVSS 2.0 base score of 1.9, rated low severity.
Is CVE-2011-1378 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-1378?: CVE-2011-1378 affects Ibm Websphere Mq. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2011-1378?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-1378 published?: CVE-2011-1378 was published on 2011-11-26 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:ibm:websphere_mq:6.0:*:*:*:*:*:*:*

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