How severe is CVE-2015-0203?

CVE-2015-0203 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2015-0203 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-0203?

CVE-2015-0203 affects Apache Qpid. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-0203?

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

When was CVE-2015-0203 published?

CVE-2015-0203 was published on 2018-02-21 and last updated on 2026-06-17.

CVE-2015-0203

CVE-2015-0203 is a medium-severity vulnerability in Apache Qpid with a CVSS 3.x base score of 6.5. 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-19.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 9% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-19
Affected product: Apache Qpid
Published: 2018-02-21
Last modified: 2026-06-17

Description

The qpidd broker in Apache Qpid 0.30 and earlier allows remote authenticated users to cause a denial of service (daemon crash) via an AMQP message with (1) an invalid range in a sequence set, (2) content-bearing methods other than message-transfer, or (3) a session-gap control before a corresponding session-attach.

Frequently asked questions

What is CVE-2015-0203?: The qpidd broker in Apache Qpid 0.30 and earlier allows remote authenticated users to cause a denial of service (daemon crash) via an AMQP message with (1) an invalid range in a sequence set, (2) content-bearing methods other than message-transfer, or (3) a session-gap control before a corresponding session-attach.
How severe is CVE-2015-0203?: CVE-2015-0203 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2015-0203 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-0203?: CVE-2015-0203 affects Apache Qpid. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-0203?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-0203 published?: CVE-2015-0203 was published on 2018-02-21 and last updated on 2026-06-17.

References

Affected products (1)

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

More vulnerabilities in Apache Qpid

CVE-2015-0224 — High (CVSS 7.5): qpidd in Apache Qpid 0.30 and earlier allows remote attackers to cause a denial of service (daemon crash) via a crafted…
CVE-2011-3620 — High (CVSS 7.5): Apache Qpid 0.12 does not properly verify credentials during the joining of a cluster, which allows remote attackers to…
CVE-2019-0223 — High (CVSS 7.4): While investigating bug PROTON-2014, we discovered that under some circumstances Apache Qpid Proton versions 0.9 to…
CVE-2012-4446 — Medium (CVSS 6.8): The default configuration for Apache Qpid 0.20 and earlier, when the federation_tag attribute is enabled, accepts AMQP…
CVE-2013-1909 — Medium (CVSS 5.8): The Python client in Apache Qpid before 2.2 does not verify that the server hostname matches a domain name in the…
CVE-2015-0223 — Medium (CVSS 5.0): Unspecified vulnerability in Apache Qpid 0.30 and earlier allows remote attackers to bypass access restrictions on…

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Other CWE-19 vulnerabilities

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CVE-2014-8817 — Critical (CVSS 10.0): coresymbolicationd in CoreSymbolication in Apple OS X before 10.10.2 does not verify that expected data types are…
CVE-2014-4488 — Critical (CVSS 10.0): IOHIDFamily in Apple iOS before 8.1.3, Apple OS X before 10.10.2, and Apple TV before 7.0.3 does not properly validate…
CVE-2014-7247 — Critical (CVSS 10.0): Unspecified vulnerability in JustSystems Ichitaro 2008 through 2011; Ichitaro Government 6, 7, 2008, 2009, and 2010;…
CVE-1999-0226 — Critical (CVSS 10.0): Windows NT TCP/IP processes fragmented IP packets improperly, causing a denial of service.

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