How severe is CVE-2015-5723?

CVE-2015-5723 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2015-5723 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-5723?

CVE-2015-5723 primarily affects Zend Zend-cache. In total, 24 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-5723?

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-2015-5723 published?

CVE-2015-5723 was published on 2016-06-07 and last updated on 2026-06-17.

CVE-2015-5723

CVE-2015-5723 is a high-severity vulnerability in Zend Zend-cache with a CVSS 3.x base score of 7.8. 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-264.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 7.2
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Zend Zend-cache
Published: 2016-06-07
Last modified: 2026-06-17

Description

Doctrine Annotations before 1.2.7, Cache before 1.3.2 and 1.4.x before 1.4.2, Common before 2.4.3 and 2.5.x before 2.5.1, ORM before 2.4.8 or 2.5.x before 2.5.1, MongoDB ODM before 1.0.2, and MongoDB ODM Bundle before 3.0.1 use world-writable permissions for cache directories, which allows local users to execute arbitrary PHP code with additional privileges by leveraging an application with the umask set to 0 and that executes cache entries as code.

Frequently asked questions

What is CVE-2015-5723?: Doctrine Annotations before 1.2.7, Cache before 1.3.2 and 1.4.x before 1.4.2, Common before 2.4.3 and 2.5.x before 2.5.1, ORM before 2.4.8 or 2.5.x before 2.5.1, MongoDB ODM before 1.0.2, and MongoDB ODM Bundle before 3.0.1 use world-writable permissions for cache directories, which allows local users to execute arbitrary PHP code with additional privileges by leveraging an application with the umask set to 0 and that executes cache entries as code.
How severe is CVE-2015-5723?: CVE-2015-5723 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2015-5723 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-5723?: CVE-2015-5723 primarily affects Zend Zend-cache. In total, 24 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-5723?: 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-2015-5723 published?: CVE-2015-5723 was published on 2016-06-07 and last updated on 2026-06-17.

References

Affected products (24)

cpe:2.3:a:zend:zend-cache:*:*:*:*:*:*:*:*
cpe:2.3:a:zend:zend-cache:2.5.0:*:*:*:*:*:*:*
cpe:2.3:a:zend:zend-cache:2.5.1:*:*:*:*:*:*:*
cpe:2.3:a:zend:zend-cache:2.5.2:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:a:doctrine-project:object_relational_mapper:*:*:*:*:*:*:*:*
cpe:2.3:a:doctrine-project:object_relational_mapper:2.5.0:*:*:*:*:*:*:*
cpe:2.3:a:doctrine-project:object_relational_mapper:2.5.0:alpha1:*:*:*:*:*:*
cpe:2.3:a:doctrine-project:object_relational_mapper:2.5.0:alpha2:*:*:*:*:*:*
cpe:2.3:a:doctrine-project:object_relational_mapper:2.5.0:beta1:*:*:*:*:*:*
cpe:2.3:a:doctrine-project:object_relational_mapper:2.5.0:rc1:*:*:*:*:*:*
cpe:2.3:a:doctrine-project:object_relational_mapper:2.5.0:rc2:*:*:*:*:*:*
cpe:2.3:a:doctrine-project:doctrinemongodbbundle:3.0.0:*:*:*:*:*:*:*
cpe:2.3:a:zend:zend_framework:*:*:*:*:*:*:*:*
cpe:2.3:a:doctrine-project:common:*:*:*:*:*:*:*:*
cpe:2.3:a:doctrine-project:common:2.5.0:*:*:*:*:*:*:*
cpe:2.3:a:doctrine-project:common:2.5.0:beta1:*:*:*:*:*:*
cpe:2.3:a:doctrine-project:annotations:*:*:*:*:*:*:*:*
cpe:2.3:a:doctrine-project:mongodb-odm:*:*:*:*:*:*:*:*
cpe:2.3:a:doctrine-project:cache:*:*:*:*:*:*:*:*
cpe:2.3:a:doctrine-project:cache:1.4.0:*:*:*:*:*:*:*
cpe:2.3:a:doctrine-project:cache:1.4.1:*:*:*:*:*:*:*
cpe:2.3:a:zend:zf-apigility-doctrine:*:*:*:*:*:*:*:*

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