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IBM · WebSphere Application Server and Server Hypervisor Edition

CVE-2015-7450

IBM WebSphere Application Server and Server Hypervisor Edition Code Injection.

Exploited in attacks Critical 9.8 Attack chance: 98%
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What it is

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.

CISA: Serialized-object interfaces in certain IBM analytics, business solutions, cognitive, IT infrastructure, and mobile and social products allow remote attackers to execute arbitrary commands

What to do

Apply updates per vendor instructions.

Deadline for US federal agencies: July 10, 2022

Added to the CISA list
January 10, 2022
Published
January 2, 2016
Severity
Critical 9.8 CVSS 3.1
Chance of attacks in the next 30 days (EPSS)
98% in the top 0.1% of all known vulnerabilities
Weakness
CWE-94
More details
NVD · CVE.org · CISA
All references (9)

More exploited flaws from IBM

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Aug 4, 2026Code InjectionCVE-2026-9198LangflowCritical 9.829%
Feb 21, 2023Code ExecutionCVE-2022-47986used by ransomwareAspera FaspexCritical 9.8>99.9%
May 25, 2022Invalid InputCVE-2013-3993used by ransomwareInfoSphere BigInsightsMedium 6.54.8%
Nov 3, 2021Remote Code ExecutionCVE-2019-4716Planning AnalyticsCritical 10.086%
Nov 3, 2021Security BypassCVE-2020-4427Data Risk ManagerCritical 9.070%
Nov 3, 2021Remote Code ExecutionCVE-2020-4428Data Risk ManagerCritical 9.162%
Nov 3, 2021Directory TraversalCVE-2020-4430Data Risk ManagerMedium 4.369%

All of them →

Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.