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CVE-2023-27554

IBM WebSphere Application Server XML external entity injection

MEDIUM
6.3
CVSS Score
Published: May 11, 2023 at 07:25 PM UTC
Updated: June 17, 2026 at 05:45 AM UTC
1 product affected across 1 vendorWebSphere Application Server

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Severity
MEDIUM6.3
Exploit prediction
EPSS 0.9%
SSVC
No known exploit

Description

IBM WebSphere Application Server 8.5 and 9.0 is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory resources. IBM X-Force ID: 249185.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

WebSphere Application Server· IBM
95%
8.5.0.0 ≤ v < 8.5.5.249.0.0.0 ≤ v < 9.0.5.168.59.0
Affected range stops below 8.5.5.24, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.0.5.16, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

VDB EntryVendor Advisory
Source: [email protected]
https://exchange.xforce.ibmcloud.com/vulnerabilities/249185
Vendor AdvisoryPatch
Source: [email protected]
https://www.ibm.com/support/pages/node/6989451

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.3MEDIUMibm
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
LOW
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-611

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