CVE-2015-6420
Serialized-object interfaces in certain Cisco Collaboration and Social Media; Endpoint Clients and Client Software; Network Application,…
- 9.8CriticalCVSS base score
- 24.2%Exploitation in 30 daysEPSS · top 2.1% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By cisco
- 4 months later
· 4 months later
Published
- 11 years later
· 11 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 24.2% · top 2.1% of all CVEs (10 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Affected products
n/a
- affected n/a
Affected packages
5
From reviewed advisories of the GitHub Advisory Database.
- Mavencommons-collections:commons-collectionsGHSA-6hgm-866r-3cjv (opens in a new tab)
- Mavennet.sourceforge.collections:collections-genericGHSA-6hgm-866r-3cjv (opens in a new tab)
- Mavenorg.apache.commons:commons-collections4GHSA-6hgm-866r-3cjv (opens in a new tab)
- Mavenorg.apache.servicemix.bundles:org.apache.servicemix.bundles.collections-genericGHSA-6hgm-866r-3cjv (opens in a new tab)
- Mavenorg.apache.servicemix.bundles:org.apache.servicemix.bundles.commons-collectionsGHSA-6hgm-866r-3cjv (opens in a new tab)
References
12
- http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05376917 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 20151209 Vulnerability in Java Deserialization Affecting Cisco Products (opens in a new tab)vendor-advisoryx_refsource_CISCOx_transferred
- 78872 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://www.tenable.com/security/research/tra-2017-23 (opens in a new tab)x_refsource_MISCx_transferred
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722 (opens in a new tab)x_refsource_CONFIRMx_transferred
- VU#581311 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
- https://www.tenable.com/security/research/tra-2017-14 (opens in a new tab)x_refsource_MISCx_transferred
- [samza-commits] 20210310 [GitHub] [samza] Telesia opened a new pull request #1471: SAMZA-2630: Upgrade dependencies for security fixes (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://www.kb.cert.org/vuls/id/576313 (opens in a new tab)
- https://foxglovesecurity.com/2015/11/06/what-do-weblogic-websphere-jboss-jenkins-opennms-and-your-application-have-in-common-this-vulnerability/ (opens in a new tab)
- https://news.apache.org/foundation/entry/apache_commons_statement_to_widespread (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2020-0464 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-6hgm-866r-3cjv (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2015-6420)Record last updated .