CISA KEV · Known exploitedCritical

CVE-2015-7450

IBM WebSphere Application Server and Server Hypervisor Edition

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.

CVSS: 9.8
EPSS: 97.7%
CISA KEV: Listed
Published: 2016.01.03

PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV

Exploit probability97.7%

Technical severityCVSS 9.8

Vulnerability overview

Affected product and versions

Product: IBM WebSphere Application Server and Server Hypervisor Edition
Affected versions: 5.2, 5.1, 2.1, 2.1.1, 2.1.1.2, 3.1, 3.1.0.1, 3.1.0.2, 3.1.2, 3.1.2.1, >= 3.0 <= 3.0.0.6, >= 3.5 <= 3.5.0.3, >= 10.0 <= 10.0.0.2, 11.0, 7.0.0.0, 8.0.0.0, 8.5, 8.5.0.0, 8.5.5.5
Fixed versions: No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

CISA required action

Apply updates per vendor instructions.

Due date: 2022.07.10

1
Identify
Confirm that IBM WebSphere Application Server and Server Hypervisor Edition and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE: CWE-502, CWE-94
KEV added: 2022.01.10
Ransomware use: 미확인