What is CVE-2015-7450?

CVE-2015-7450 is a critical-severity vulnerability in IBM Sterling B2b Integrator, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2016-01-02.

How severe is CVE-2015-7450?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2015-7450 known to be exploited?

Yes. CVE-2015-7450 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-01-10), indicating it is being actively exploited. 58 public proof-of-concept repositories are indexed.

Deserialization in IBM Sterling B2b Integrator

CVE-2015-7450

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.

Vulnerability class: Insecure Deserialization

Published 2016-01-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.978 (99.9th percentile), scored 2026-10-15.

Very high probability of exploitation in the next 30 days — among the top 0.1% most-likely-to-be-exploited CVEs. 100th percentile — 99.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.978 · newest: 0.978 · change: 0.000

Affected products

IBM Sterling B2b Integrator — versions 5.2
IBM Sterling Integrator — versions 5.1
IBM Tivoli Common Reporting — versions 2.1, 2.1.1, 2.1.1.2
IBM Watson Content Analytics
IBM Watson Explorer Analytical Components — versions 11.0
IBM Watson Explorer Annotation Administration Console — versions 11.0
IBM Websphere Application Server — versions 7.0.0.0, 8.0.0.0, 8.5

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2022-01-10. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2022-07-10.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

www-01.ibm.com/support/docview.wss (Broken Link)
www-01.ibm.com/support/docview.wss (Vendor Advisory)
www-01.ibm.com/support/docview.wss (Vendor Advisory)
www.securityfocus.com/bid/77653 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
www.securitytracker.com/id/1035125 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
www-01.ibm.com/support/docview.wss (Vendor Advisory)
www-01.ibm.com/support/docview.wss (Vendor Advisory)
www.exploit-db.com/exploits/41613/ (Exploit, VDB Entry, Third Party Advisory, exploit)
www-01.ibm.com/support/docview.wss (Vendor Advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)

Frequently asked questions

What is CVE-2015-7450?: CVE-2015-7450 is a critical-severity vulnerability in IBM Sterling B2b Integrator, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2016-01-02.
How severe is CVE-2015-7450?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2015-7450 known to be exploited?: Yes. CVE-2015-7450 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-01-10), indicating it is being actively exploited. 58 public proof-of-concept repositories are indexed.