Is CVE-2015-7450 in the CISA KEV catalog?

Yes. CVE-2015-7450 is on the CISA Known Exploited Vulnerabilities list, added 2022-01-10.

What is the CVSS severity of CVE-2015-7450?

CVE-2015-7450 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2015-7450?

CVE-2015-7450 has an EPSS score of 97.66% (100th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2015-7450?

No published fix for CVE-2015-7450 has been found yet. It is on the CISA Known Exploited Vulnerabilities list; federal agencies must remediate by 2022-07-10. Apply the vendor's mitigations per CISA's guidance.

CVE & CISA-KEV Catalog

CVE-2015-7450

CRITICALCISA KEVEPSS 100th pctl

9.8

CVSS v3

NVD

Description

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.

CWE-502Deserialization of Untrusted Data

How to fix

Actively exploited, no published fix found yet

CISA required action: Apply updates per vendor instructions.

Federal remediation due: 2022-07-10

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

97.66%probability of exploitation in 30 days

100thpercentile

Very high risk: more likely to be exploited than 100% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

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

Apply updates per vendor instructions.

Remediation due: 2022-07-10

References

Exploit1

exploit-db.com

Vendor Advisory5

Third-Party Advisory2

Government Resource1

cisa.gov

Other references1

www-01.ibm.com

Related Vulnerabilities

Other CWE-502 (Deserialization of Untrusted Data) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-0669	High	7.2	100%	KEV + Ransom	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-35464	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-29300	Critical	9.8	100%	KEV + Ransom	-
CVE-2025-53770	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2022-41082	High	8.0	100%	KEV + Ransom	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-21.