How severe is CVE-2013-2166?

CVE-2013-2166 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2013-2166 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-2166?

CVE-2013-2166 primarily affects Redhat Openstack. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-2166?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2013-2166 published?

CVE-2013-2166 was published on 2019-12-10 and last updated on 2026-06-16.

CVE-2013-2166

CVE-2013-2166 is a critical-severity vulnerability in Redhat Openstack with a CVSS 3.x base score of 9.8. 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-326.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-326
Affected product: Redhat Openstack
Published: 2019-12-10
Last modified: 2026-06-16

Description

python-keystoneclient version 0.2.3 to 0.2.5 has middleware memcache encryption bypass

Frequently asked questions

What is CVE-2013-2166?: python-keystoneclient version 0.2.3 to 0.2.5 has middleware memcache encryption bypass
How severe is CVE-2013-2166?: CVE-2013-2166 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2013-2166 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-2166?: CVE-2013-2166 primarily affects Redhat Openstack. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-2166?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2013-2166 published?: CVE-2013-2166 was published on 2019-12-10 and last updated on 2026-06-16.

References

Affected products (6)

cpe:2.3:a:openstack:python-keystoneclient:*:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openstack:3.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:19:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

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