How severe is CVE-2011-3620?

CVE-2011-3620 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2011-3620 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-3620?

CVE-2011-3620 affects Apache Qpid. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2011-3620?

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-2011-3620 published?

CVE-2011-3620 was published on 2012-05-03 and last updated on 2026-06-16.

CVE-2011-3620

CVE-2011-3620 is a high-severity vulnerability in Apache Qpid with a CVSS 2.0 base score of 7.5. 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-287.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 5% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Apache Qpid
Published: 2012-05-03
Last modified: 2026-06-16

Description

Apache Qpid 0.12 does not properly verify credentials during the joining of a cluster, which allows remote attackers to obtain access to the messaging functionality and job functionality of a cluster by leveraging knowledge of a cluster-username.

Frequently asked questions

What is CVE-2011-3620?: Apache Qpid 0.12 does not properly verify credentials during the joining of a cluster, which allows remote attackers to obtain access to the messaging functionality and job functionality of a cluster by leveraging knowledge of a cluster-username.
How severe is CVE-2011-3620?: CVE-2011-3620 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2011-3620 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-3620?: CVE-2011-3620 affects Apache Qpid. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2011-3620?: 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-2011-3620 published?: CVE-2011-3620 was published on 2012-05-03 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:apache:qpid:0.12:*:*:*:*:*:*:*

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Other CWE-287 (Improper Authentication) vulnerabilities

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