CVE-2015-7450 — IBM WebSphere Application Server and Server Hypervisor Edition Code Injection.

Serialized-object interfaces in certain IBM analytics, business solutions, cognitive, IT infrastructure, and mobile and social products allow remote attackers to execute arbitrary commands via a crafted serialized Java object, related to the InvokerTransformer class in the Apache

01What is this vulnerability?

Serialized-object interfaces in certain IBM analytics, business solutions, cognitive, IT infrastructure, and mobile and social products allow remote attackers to execute arbitrary commands via a crafted serialized Java object, related to the InvokerTransformer class in the Apache Commons Collections library.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Yes — actively exploited. Added to the CISA KEV catalog on 2022-01-10. Ransomware use: Unknown.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

Open in Sigma generator →

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2016-01-02T21:00:00.000Z
• Last modified: 2025-10-21T23:55:56.246Z
• Added to CISA KEV: 2022-01-10
• BOD 22-01 due: 2022-07-10

09References

• www-01.ibm.com — http://www-01.ibm.com/support/docview.wss?uid=swg21971733
• www-01.ibm.com — http://www-01.ibm.com/support/docview.wss?uid=swg21971342
• www-01.ibm.com — http://www-01.ibm.com/support/docview.wss?uid=swg21971758
• www.securityfocus.com — http://www.securityfocus.com/bid/77653
• www.securitytracker.com — http://www.securitytracker.com/id/1035125
• www-01.ibm.com — http://www-01.ibm.com/support/docview.wss?uid=swg21972799
• www-01.ibm.com — http://www-01.ibm.com/support/docview.wss?uid=swg21971376
• www.exploit-db.com — https://www.exploit-db.com/exploits/41613/
• www-01.ibm.com — http://www-01.ibm.com/support/docview.wss?uid=swg21970575