# CVE-2015-8562

Joomla! 1.5.x, 2.x, and 3.x before 3.4.6 allow remote attackers to conduct PHP object injection attacks and execute arbitrary PHP code via the HTTP User-Agent header, as exploited in the wild in December 2015.

- Page: https://www.vulneraibility.com/cve/CVE-2015-8562
- CVSS: 7.5
- Known exploited: not in CISA KEV as of our last sync
- EPSS: 98.19% (percentile 99.9)
- Public exploit code: 2 on Exploit-DB · 1 Metasploit module · 11 GitHub proofs of concept · 1 Nuclei template (first 2015-12-15)
- Published: 2015-12-16

## Affected

- joomla:joomla\!

## References

- [exploit] https://www.exploit-db.com/exploits/39033/
- [other] http://www.securityfocus.com/archive/1/537219/100/0/threaded
- [exploit] https://www.exploit-db.com/exploits/38977/
- [other] http://packetstormsecurity.com/files/135100/Joomla-3.4.5-Object-Injection.html
- [other] http://packetstormsecurity.com/files/134949/Joomla-HTTP-Header-Unauthenticated-Remote-Code-Execution.html
- [other] https://developer.joomla.org/security-centre/630-20151214-core-remote-code-execution-vulnerability.html
- [other] http://www.securityfocus.com/bid/79195
- [other] http://www.rapid7.com/db/modules/exploit/multi/http/joomla_http_header_rce
- [other] https://blog.sucuri.net/2015/12/remote-command-execution-vulnerability-in-joomla.html

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.