CVE-2013-2255

mediumpriority · track · 24EPSS 0.010 · 62 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.97% (62nd) EPSS

CVSS 4.3 · medium

Is it mine?

13 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-27

HTTPSConnections in OpenStack Keystone 2013, OpenStack Compute 2013.1, and possibly other OpenStack components, fail to validate server-side SSL certificates.

cvss

Technical severity, 0–10. One row per scoring source.

5.9

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.15.9mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:Nprimary · NVD / NIST USexploitability 2.2 · impact 3.6

v3.15.9mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:Nsecondary · OSV

v3.15.4mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-295USprimaryCWE-295US

affected products (13)

Products and version ranges known to be affected.

OpenStack Compute≤ 2013.1enisa_euvdEU
OpenStack Keystone≤ 2013enisa_euvdEU
debian debian linux= 10.0nvdUScpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*
debian debian linux= 8.0nvdUScpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*
debian debian linux= 9.0nvdUScpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*
openstack compute= 2013.1nvdUScpe:2.3:a:openstack:compute:*:*:*:*:*:*:*:*
openstack keystone= 2013nvdUScpe:2.3:a:openstack:keystone:*:*:*:*:*:*:*:*
redhat openstack= 3.0nvdUScpe:2.3:a:redhat:openstack:*:*:*:*:*:*:*:*
redhat openstack= 4.0nvdUScpe:2.3:a:redhat:openstack:*:*:*:*:*:*:*:*
PyPI cinder< 7.0.0a0osvUSpkg:pypi/cinder
PyPI keystone< 8.0.0a0osvUSpkg:pypi/keystone
PyPI neutron< 7.0.0a0osvUSpkg:pypi/neutron
PyPI python-keystoneclient< 0.4.0osvUSpkg:pypi/python-keystoneclient

advisories (5)

Vendor and ecosystem advisories describing this.

GHSA-qh2x-hpf9-cf2gOpenStack Keystone and other components vulnerable to Improper Certificate Validation2022-05-05ghsa · osvUS
HTTPSConnections in OpenStack Keystone 2013, OpenStack Compute 2013.1, and possibly other OpenStack components, fail to validate server-side SSL certificates.
PYSEC-2026-2413OpenStack Keystone and other components vulnerable to Improper Certificate Validation2026-07-09vendor · osvUS
HTTPSConnections in OpenStack Keystone 2013, OpenStack Compute 2013.1, and possibly other OpenStack components, fail to validate server-side SSL certificates.
PYSEC-2026-2677OpenStack Keystone and other components vulnerable to Improper Certificate Validation2026-07-09vendor · osvUS
HTTPSConnections in OpenStack Keystone 2013, OpenStack Compute 2013.1, and possibly other OpenStack components, fail to validate server-side SSL certificates.
PYSEC-2026-3034OpenStack Keystone and other components vulnerable to Improper Certificate Validation2026-07-09vendor · osvUS
HTTPSConnections in OpenStack Keystone 2013, OpenStack Compute 2013.1, and possibly other OpenStack components, fail to validate server-side SSL certificates.
PYSEC-2026-656OpenStack Keystone and other components vulnerable to Improper Certificate Validation2026-07-02vendor · osvUS
HTTPSConnections in OpenStack Keystone 2013, OpenStack Compute 2013.1, and possibly other OpenStack components, fail to validate server-side SSL certificates.

also known as (12)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv nvd NVD CVE.org MITRE

published 2019-11-01modified 2026-06-16

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+1889 more

references (22)

External citations — patches, advisories, analysis.

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