How severe is CVE-2016-0737?

CVE-2016-0737 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2016-0737 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-0737?

CVE-2016-0737 affects Openstack Swift. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-0737?

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-2016-0737 published?

CVE-2016-0737 was published on 2016-01-29 and last updated on 2026-06-17.

CVE-2016-0737

CVE-2016-0737 is a high-severity vulnerability in Openstack Swift with a CVSS 3.x 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-399.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Openstack Swift
Published: 2016-01-29
Last modified: 2026-06-17

Description

OpenStack Object Storage (Swift) before 2.4.0 does not properly close client connections, which allows remote attackers to cause a denial of service (proxy-server resource consumption) via a series of interrupted requests to a Large Object URL.

Frequently asked questions

What is CVE-2016-0737?: OpenStack Object Storage (Swift) before 2.4.0 does not properly close client connections, which allows remote attackers to cause a denial of service (proxy-server resource consumption) via a series of interrupted requests to a Large Object URL.
How severe is CVE-2016-0737?: CVE-2016-0737 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2016-0737 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-0737?: CVE-2016-0737 affects Openstack Swift. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-0737?: 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-2016-0737 published?: CVE-2016-0737 was published on 2016-01-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:openstack:swift:*:*:*:*:*:*:*:*

More vulnerabilities in Openstack Swift

CVE-2017-16613 — Critical (CVSS 9.8): An issue was discovered in middleware.py in OpenStack Swauth through 1.2.0 when used with OpenStack Swift through…
CVE-2012-4406 — Critical (CVSS 9.8): OpenStack Object Storage (swift) before 1.7.0 uses the loads function in the pickle Python module unsafely when storing…
CVE-2016-0738 — High (CVSS 7.5): OpenStack Object Storage (Swift) before 2.3.1 (Kilo), 2.4.x, and 2.5.x before 2.5.1 (Liberty) do not properly close…
CVE-2022-47950 — Medium (CVSS 6.5): An issue was discovered in OpenStack Swift before 2.28.1, 2.29.x before 2.29.2, and 2.30.0. By supplying crafted XML…
CVE-2013-6396 — Medium (CVSS 5.8): The OpenStack Python client library for Swift (python-swiftclient) 1.0 through 1.9.0 does not verify X.509 certificates…
CVE-2015-1856 — Medium (CVSS 5.5): OpenStack Object Storage (Swift) before 2.3.0, when allow_version is configured, allows remote authenticated users to…

All CVEs affecting Openstack Swift →

Other CWE-399 (Resource Management Errors) vulnerabilities

CVE-2015-8104 — Critical (CVSS 10.0): The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a…
CVE-2015-0339 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0335 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0333 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2014-4121 — Critical (CVSS 10.0): Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2 does not properly parse internationalized…
CVE-2014-0560 — Critical (CVSS 10.0): Use-after-free vulnerability in Adobe Reader and Acrobat 10.x before 10.1.12 and 11.x before 11.0.09 on Windows and OS…

Browse all CWE-399 (Resource Management Errors) vulnerabilities →