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CVE-2024-7478

Username Enumeration via External User Stores in Multiple WSO2 Products Allows User Account Discovery

Products / packages WSO2 API Manager · WSO2 Identity Server as Key Manager · WSO2 Identity Server · 3 more

Published

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Severity and exploitation

Not in CISA KEV

KEV coverage does not rule out exploitation.

KEV checked 14/11/2026, 22:20:30 UTC
WSO2 · CVSS:3.1 · 5.8
Assessment vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N

Severity

medium5.8

CVSS measures technical severity, not the likelihood of an attack.

Known exploitation

Not listed in the checked CISA KEV catalog

Absence from CISA KEV does not rule out attacks.

Public exploit

Not established by this record

Missing evidence does not mean no public exploit exists.

Remediation

Source guidance available

Review the recorded instructions. Guidance may be a workaround rather than a fixed version.

What this means

WSO2 products, including API Manager, Identity Server, and others, have a vulnerability that allows attackers to enumerate valid usernames when using an external user store. This can increase the risk of targeted brute-force attacks and social engineering. Affected versions include various releases of the mentioned products.

Summarized by @cf/meta/llama-3.3-70b-instruct-fp8-fast. Verify details against the original sources.

Attack conditions

No attack-condition excerpt has been identified here. Review the full source description and references for authentication, network access, and configuration requirements.

Review supporting sources →

Affected versions

Check the exact model, release, and any platform requirements against your installation.

WSO2 · WSO2

WSO2 API Manager

8 ranges
WSO2 version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

3.1.0 → before 3.1.0.310

custom versions

3.2.0 → before 3.2.0.401

custom versions

3.2.1 → before 3.2.1.26

custom versions

4.0.0 → before 4.0.0.318

custom versions

4.1.0 → before 4.1.0.180

custom versions

4.2.0 → before 4.2.0.119

custom versions

4.3.0 → before 4.3.0.30

custom versions

unaffected

unknown

0 → before 3.1.0

custom versions

Other versions: unaffected

WSO2 · WSO2

WSO2 Identity Server as Key Manager

2 ranges
WSO2 version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

5.10.0 → before 5.10.0.320

custom versions

unaffected

unknown

0 → before 5.10.0

custom versions

Other versions: unaffected

WSO2 · WSO2

WSO2 Identity Server

5 ranges
WSO2 version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

5.10.0 → before 5.10.0.326

custom versions

6.0.0 → before 6.0.0.214

custom versions

6.1.0 → before 6.1.0.198

custom versions

7.0.0 → before 7.0.0.67

custom versions

unaffected

unknown

0 → before 5.10.0

custom versions

Other versions: unaffected

WSO2 · WSO2

WSO2 Open Banking IAM

2 ranges
WSO2 version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

2.0.0 → before 2.0.0.371

custom versions

unaffected

unknown

0 → before 2.0.0

custom versions

Other versions: unaffected

WSO2 · WSO2

WSO2 Open Banking AM

2 ranges
WSO2 version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

2.0.0 → before 2.0.0.351

custom versions

unaffected

unknown

0 → before 2.0.0

custom versions

Other versions: unaffected

WSO2 · WSO2

WSO2 Carborn Identity Handler

9 ranges
WSO2 version evidence

Compare with this publisher’s ranges. This does not inspect your installation.

affected

1.4.0 → before 1.4.0.15

custom versions

1.4.0 → before 1.4.0.16

custom versions

1.4.11 → before 1.4.11.14

custom versions

1.4.37 → before 1.4.37.1

custom versions

1.6.1 → before 1.6.1.5

custom versions

1.7.1 → before 1.7.1.1

custom versions

1.8.6 → before 1.8.6.5

custom versions

1.8.14 → before 1.8.14.1

custom versions

1.9.2 → before 1.9.2.4

custom versions

unaffected

unknown

Other versions: unknown

Automatic dependency matching is unavailable for this record. Use the product evidence and publisher’s instructions to check your installation.

What to do

Compare your installed product and version with the affected versions above. A matching product name alone does not confirm exposure.

Follow the instructions given on https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO2-2024-3606/#solution

WSO2 guidance ↗

cve.new guidance unless attributed to a publisher. This page does not inspect your installation.

Public exploit evidence

No public exploit reference is identified in the imported evidence. This is not a claim that no exploit exists.

Original source description

Read the full publisher description

When a WSO2 product is configured to use an external user store, the system fails to adequately obscure the existence or validity of usernames during authentication attempts. This oversight allows an attacker to repeatedly query the authentication mechanism with different username guesses, enabling the enumeration of valid usernames present in the external user store.

The discovery of valid usernames can increase the risk of targeted brute-force attacks, social engineering, and information leakage. Attackers can leverage this information to craft more convincing phishing campaigns or other social engineering tactics to trick users into revealing sensitive data. The presence of username enumeration could also negatively impact an organization's reputation, leading to loss of customer trust, regulatory non-compliance, and potential legal and financial repercussions.

References

1 sources
security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO2-2024-3606/
Vendor advisoryWSO2

Inside the record

Evidence available

Package identity · not supplied
Version evidence
Remediation guidance
Weakness classification
Additional publishers

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2024-7478

View the latest unmodified CVE JSON from the official source. It may be newer than this imported page.

cve.new JSON →

Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-204 ↗

CWE-204: Indicator Discrepancies

WSO2

Related →

Environment requirements

These conditions apply together as specified by the publisher. A matching product name alone does not establish exposure.

WSO2 · platform conditions

Any condition may hold

Any condition may hold

Vulnerable product

cpe:2.3:a:wso2:wso2_api_manager:*:*:*:*:*:*:*:*

From (inclusive): 3.1.0

Before: 3.1.0.310

Vulnerable product

cpe:2.3:a:wso2:wso2_api_manager:*:*:*:*:*:*:*:*

From (inclusive): 3.2.0

Before: 3.2.0.401

Vulnerable product

cpe:2.3:a:wso2:wso2_api_manager:*:*:*:*:*:*:*:*

From (inclusive): 3.2.1

Before: 3.2.1.26

Vulnerable product

cpe:2.3:a:wso2:wso2_api_manager:*:*:*:*:*:*:*:*

From (inclusive): 4.0.0

Before: 4.0.0.318

Vulnerable product

cpe:2.3:a:wso2:wso2_api_manager:*:*:*:*:*:*:*:*

From (inclusive): 4.1.0

Before: 4.1.0.180

Vulnerable product

cpe:2.3:a:wso2:wso2_api_manager:*:*:*:*:*:*:*:*

From (inclusive): 4.2.0

Before: 4.2.0.119

Vulnerable product

cpe:2.3:a:wso2:wso2_api_manager:*:*:*:*:*:*:*:*

From (inclusive): 4.3.0

Before: 4.3.0.30

Any condition may hold

Vulnerable product

cpe:2.3:a:wso2:wso2_identity_server_as_key_manager:*:*:*:*:*:*:*:*

From (inclusive): 5.10.0

Before: 5.10.0.320

Any condition may hold

Vulnerable product

cpe:2.3:a:wso2:wso2_identity_server:*:*:*:*:*:*:*:*

From (inclusive): 5.10.0

Before: 5.10.0.326

Vulnerable product

cpe:2.3:a:wso2:wso2_identity_server:*:*:*:*:*:*:*:*

From (inclusive): 6.0.0

Before: 6.0.0.214

Vulnerable product

cpe:2.3:a:wso2:wso2_identity_server:*:*:*:*:*:*:*:*

From (inclusive): 6.1.0

Before: 6.1.0.198

Vulnerable product

cpe:2.3:a:wso2:wso2_identity_server:*:*:*:*:*:*:*:*

From (inclusive): 7.0.0

Before: 7.0.0.67

Any condition may hold

Vulnerable product

cpe:2.3:a:wso2:wso2_open_banking_iam:*:*:*:*:*:*:*:*

From (inclusive): 2.0.0

Before: 2.0.0.371

Any condition may hold

Vulnerable product

cpe:2.3:a:wso2:wso2_open_banking_am:*:*:*:*:*:*:*:*

From (inclusive): 2.0.0

Before: 2.0.0.351

Any condition may hold

Vulnerable product

cpe:2.3:a:wso2:wso2_carborn_identity_handler:*:*:*:*:*:*:*:*

From (inclusive): 1.4.0

Before: 1.4.0.15

Vulnerable product

cpe:2.3:a:wso2:wso2_carborn_identity_handler:*:*:*:*:*:*:*:*

From (inclusive): 1.4.0

Before: 1.4.0.16

Vulnerable product

cpe:2.3:a:wso2:wso2_carborn_identity_handler:*:*:*:*:*:*:*:*

From (inclusive): 1.4.11

Before: 1.4.11.14

Vulnerable product

cpe:2.3:a:wso2:wso2_carborn_identity_handler:*:*:*:*:*:*:*:*

From (inclusive): 1.4.37

Before: 1.4.37.1

Vulnerable product

cpe:2.3:a:wso2:wso2_carborn_identity_handler:*:*:*:*:*:*:*:*

From (inclusive): 1.6.1

Before: 1.6.1.5

Vulnerable product

cpe:2.3:a:wso2:wso2_carborn_identity_handler:*:*:*:*:*:*:*:*

From (inclusive): 1.7.1

Before: 1.7.1.1

Vulnerable product

cpe:2.3:a:wso2:wso2_carborn_identity_handler:*:*:*:*:*:*:*:*

From (inclusive): 1.8.6

Before: 1.8.6.5

Vulnerable product

cpe:2.3:a:wso2:wso2_carborn_identity_handler:*:*:*:*:*:*:*:*

From (inclusive): 1.8.14

Before: 1.8.14.1

Vulnerable product

cpe:2.3:a:wso2:wso2_carborn_identity_handler:*:*:*:*:*:*:*:*

From (inclusive): 1.9.2

Before: 1.9.2.4

Applicability preview
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Contributing organizations · 2
WSO2

Assigning organization

2026-10-21
CISA-ADP

Additional data publisher

2026-10-30

Timeline

All times UTC

  1. Advisory published

    Publication date supplied by the source.

  2. Source updated

    Latest modification date supplied by the source.

  3. Last imported by cve.new

    Latest catalog import, not the date we first saw this advisory.

What changed

Follow changes
No substantive changes have been recorded here yet. History starts when cve.new observes a change after tracking is enabled; earlier edits are not reconstructed.

Large field values are marked as truncated previews. Original source snapshots remain retained.