How severe is CVE-2015-4235?

CVE-2015-4235 has a CVSS 2.0 base score of 9.0, rated critical severity.

Is CVE-2015-4235 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-4235?

CVE-2015-4235 primarily affects Cisco Application Policy Infrastructure Controller (apic). In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-4235?

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-2015-4235 published?

CVE-2015-4235 was published on 2015-07-24 and last updated on 2026-06-17.

CVE-2015-4235

CVE-2015-4235 is a critical-severity vulnerability in Cisco Application Policy Infrastructure Controller (apic) with a CVSS 2.0 base score of 9.0. 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: Critical (CVSS 2.0 base score 9.0)
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Cisco Application Policy Infrastructure Controller (apic)
Published: 2015-07-24
Last modified: 2026-06-17

Description

Cisco Application Policy Infrastructure Controller (APIC) devices with software before 1.0(3o) and 1.1 before 1.1(1j) and Nexus 9000 ACI devices with software before 11.0(4o) and 11.1 before 11.1(1j) do not properly restrict access to the APIC filesystem, which allows remote authenticated users to obtain root privileges via unspecified use of the APIC cluster-management configuration feature, aka Bug IDs CSCuu72094 and CSCuv11991.

Frequently asked questions

What is CVE-2015-4235?: Cisco Application Policy Infrastructure Controller (APIC) devices with software before 1.0(3o) and 1.1 before 1.1(1j) and Nexus 9000 ACI devices with software before 11.0(4o) and 11.1 before 11.1(1j) do not properly restrict access to the APIC filesystem, which allows remote authenticated users to obtain root privileges via unspecified use of the APIC cluster-management configuration feature, aka Bug IDs CSCuu72094 and CSCuv11991.
How severe is CVE-2015-4235?: CVE-2015-4235 has a CVSS 2.0 base score of 9.0, rated critical severity.
Is CVE-2015-4235 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-4235?: CVE-2015-4235 primarily affects Cisco Application Policy Infrastructure Controller (apic). In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-4235?: 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-2015-4235 published?: CVE-2015-4235 was published on 2015-07-24 and last updated on 2026-06-17.

References

Affected products (12)

cpe:2.3:o:cisco:application_policy_infrastructure_controller_\(apic\):1.0\(1e\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:11.0\(1b\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:11.0\(1c\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:11.0\(1d\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:11.0\(1e\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:11.0\(2j\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:11.0\(2m\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:11.0\(3f\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:11.0\(3i\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:11.0\(3k\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:11.0\(3n\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:11.0\(4h\):*:*:*:*:*:*:*

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