CVE-2024-25026Network attack vector

Unauthenticated memory exhaustion via crafted servlet requests

Published Apr 25, 2024 · Updated Aug 1, 2024

Denial of service in IBM WebSphere Application Server and Liberty allows remote attackers to exhaust server memory via crafted requests. IBM identifies the affected Liberty servlet features but keeps the request-processing defect and malformed request structure confidential. Traditional 8.5 and 9.0 and Liberty 17.0.0.3 through 24.0.0.4 are affected; successful exploitation interrupts application service.

CVSS severity5.9
Medium
EPSS probability0.79%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Denial of service in IBM WebSphere Application Server and Liberty allows remote attackers to exhaust server memory via crafted requests. IBM identifies the affected Liberty servlet features but keeps the request-processing defect and malformed request structure confidential. Traditional 8.5 and 9.0 and Liberty 17.0.0.3 through 24.0.0.4 are affected; successful exploitation interrupts application service.

The record

CVE
CVE-2024-25026
Published
Apr 25, 2024
Updated
Aug 1, 2024
Vendor
IBM
Product
IBM WebSphere Application Server
Classifications
CWE-770, T1499.003
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 25, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 1, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=8.5
  2. Affected versionversion=8.5, 9.0
  3. Affected versionversion=9.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

IBM · IBM WebSphere Application Serverversion=8.5; version=8.5, 9.0; version=9.0
IBM · IBM WebSphere Application Server Libertyversion=17.0.0.3; version=17.0.0.3 <=24.0.0.4

Published CVSS scores

5.9IBM CorporationCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-770Allocation of Resources Without Limits or Throttling
T1499.003Application Exhaustion Flood

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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