How severe is CVE-2013-2157?

CVE-2013-2157 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2013-2157 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-2157?

CVE-2013-2157 affects Openstack Keystone. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2013-2157?

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

When was CVE-2013-2157 published?

CVE-2013-2157 was published on 2013-08-20 and last updated on 2026-06-16.

CVE-2013-2157

CVE-2013-2157 is a medium-severity vulnerability in Openstack Keystone with a CVSS 2.0 base score of 4.3. 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: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Openstack Keystone
Published: 2013-08-20
Last modified: 2026-06-16

Description

OpenStack Keystone Folsom, Grizzly before 2013.1.3, and Havana, when using LDAP with Anonymous binding, allows remote attackers to bypass authentication via an empty password.

Frequently asked questions

What is CVE-2013-2157?: OpenStack Keystone Folsom, Grizzly before 2013.1.3, and Havana, when using LDAP with Anonymous binding, allows remote attackers to bypass authentication via an empty password.
How severe is CVE-2013-2157?: CVE-2013-2157 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2013-2157 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-2157?: CVE-2013-2157 affects Openstack Keystone. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2013-2157?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-2157 published?: CVE-2013-2157 was published on 2013-08-20 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:openstack:keystone:*:*:*:*:*:*:*:*

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