High

Insecure Deserialization in Apache Commons Collection

  • Disclosed: 15.06.2020
  • Updated: 11.10.2026 12:21

Serialized-object interfaces in Java applications using the Apache Commons Collections (ACC) library may allow remote attackers to execute arbitrary commands via a crafted serialized Java object.

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
Java / Kotlin (Maven) commons-collections:commons-collections < 3.2.2 3.2.2
Java / Kotlin (Maven) net.sourceforge.collections:collections-generic <= 4.0.1 no fix
Java / Kotlin (Maven) org.apache.commons:commons-collections4 < 4.1 4.1
Java / Kotlin (Maven) org.apache.servicemix.bundles:org.apache.servicemix.bundles.collections-generic <= 4.01 no fix
Java / Kotlin (Maven) org.apache.servicemix.bundles:org.apache.servicemix.bundles.commons-collections <= 3.2.1 no fix

References

CVSS score -
Weakness (CWE)
CWE-502
Platform
Java / Kotlin (Maven)
Package
commons-collections:commons-collections, net.sourceforge.collections:collections-generic, org.apache.commons:commons-collections4
Disclosed
15.06.2020
Updated
11.10.2026 12:21

Sources and licenses

OSV / GitHub Advisory Database - GHSA-6hgm-866r-3cjv - CC BY 4.0

Vulnerability history: commons-collections:commons-collections

All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.

Total entries
2
First → latest
06.2020 05.2022
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • Critical 1
  • High 1

Disclosures per year

  1. 2020: 1
  2. 2021: 0
  3. 2022: 1
  4. 2023: 0
  5. 2024: 0
  6. 2025: 0
  7. 2026: 0
  1. Critical · 9.8 CVE-2015-7501 < 3.2.2 3.2.2
  2. Insecure Deserialization in Apache Commons Collection this entry
    High CVE-2015-6420 < 3.2.2 3.2.2

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