PT-2015-3401 · Apache · Apache Commons Collections

Stephen Breen · Published 2015-12-09 · Updated 2026-05-19 · CVE-2015-6420

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Cisco products (affected versions not specified)

Description The issue is related to the Apache Commons Collections (ACC) library and affects certain Cisco products. It allows remote attackers to execute arbitrary commands via a crafted serialized Java object. This is due to the deserialization of untrusted data structures, which can lead to the execution of malicious code. The exploitation of this issue may impact the confidentiality, integrity, and availability of protected information.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

BDU:2021-02958

CVE-2015-6420

GHSA-6HGM-866R-3CJV

Affected Products

Apache Commons Collections

References · 24

• 🔥 https://foxglovesecurity.com/2015/11/06/what-do-weblogic-websphere-jboss-jenkins-opennms-and-your-application-have-in-common-this-vulnerability · Exploit
• http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151209-java-deserialization · Vendor Advisory
• https://news.apache.org/foundation/entry/apache_commons_statement_to_widespread · Vendor Advisory
• https://lists.apache.org/thread.html/r352e40ca9874d1beb4ad95403792adca7eb295e6bc3bd7b65fabcc21%40%3Ccommits.samza.apache.org%3E · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-APP-MAVEN-CVE-2015-6420 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2015-6420 · Security Note
• https://osv.dev/vulnerability/GHSA-6hgm-866r-3cjv · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-02958 · Security Note
• https://github.com/apache/commons-collections · Note
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151209-java-deserialization · Note
• https://t.me/cveNotify/153043 · Telegram Post
• https://tenable.com/security/research/tra-2017-23 · Note
• https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722 · Note
• https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05376917 · Note
• https://tenable.com/security/research/tra-2017-14 · Note