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CVE-2015-6420

9.8 · CRITICAL
Published Dec 15, 2015 apache CWE-502

Overview

CVE-2015-6420 is a critical-severity vulnerability affecting apache commons_collections. It was published on December 15, 2015 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical Description

Serialized-object interfaces in certain Cisco Collaboration and Social Media; Endpoint Clients and Client Software; Network Application, Service, and Acceleration; Network and Content Security Devices; Network Management and Provisioning; Routing and Switching - Enterprise and Service Provider; Unified Computing; Voice and Unified Communications Devices; Video, Streaming, TelePresence, and Transcoding Devices; Wireless; and Cisco Hosted Services products allow remote attackers to execute arbitrary commands via a crafted serialized Java object, related to the Apache Commons Collections (ACC) library.

Remediation

Check the references section for vendor advisories and patches from apache. Update commons_collections to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status
apache commons_collections >= 3.0, < 3.2.2 Affected

Frequently Asked Questions

What is CVE-2015-6420?

CVE-2015-6420 is a critical-severity vulnerability affecting apache commons_collections. It was published on December 15, 2015 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2015-6420?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2015-6420?

Check the references section for vendor advisories and patches from apache. Update commons_collections to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2015-6420?

CyberStrike's AI-powered security agents can automatically detect CVE-2015-6420 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.