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.
Published: 2015-12-15
Score: 9.8 Critical
EPSS: 18.8% Moderate
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories
Source ID Title
Github GHSA Github GHSA GHSA-6hgm-866r-3cjv Insecure Deserialization in Apache Commons Collection
History

Wed, 07 Oct 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 24 Feb 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}


Tue, 25 Mar 2025 17:45:00 +0000


Subscriptions

Apache Commons Collections
cve-icon MITRE

Status: PUBLISHED

Assigner: cisco

Published:

Updated: 2026-10-07T17:55:52.257Z

Reserved: 2015-08-17T00:00:00.000Z

Link: CVE-2015-6420

cve-icon Vulnrichment

Updated: 2025-03-25T16:42:10.313Z

cve-icon NVD

Status : Modified

Published: 2015-12-15T05:59:07.823

Modified: 2026-10-07T18:17:07.410

Link: CVE-2015-6420

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses