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VulnerabilityPublished Updated

CVE-2024-6541: WSO2 Micro Integrator · Improper Input Validation

Affects WSO2 Micro IntegratorSource CVE Database V5

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Not known to be exploited · CVSS 6.8 Medium · fixed in 4.3.0.7 : update WSO2 Micro Integrator when convenient.

Data as of 5 Nov 2026, 00:01 UTC

CVSS 3.1 base score
6.8Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 27% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 4.3.0.7, 4.1.0.103, 1.2.0.163 +16
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 6 Aug 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 5 Nov 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
WSO2WSO2 Micro IntegratorAffected
  • >=4.3.0 <4.3.0.7
Fixed in
  • 4.3.0.7
WSO2WSO2 Micro IntegratorAffected
  • >=4.1.0 <4.1.0.103
Fixed in
  • 4.1.0.103
WSO2WSO2 Micro IntegratorAffected
  • >=1.2.0 <1.2.0.163
Fixed in
  • 1.2.0.163
WSO2WSO2 Enterprise IntegratorAffected
  • >=6.6.0 <6.6.0.205
Fixed in
  • 6.6.0.205
WSO2WSO2 API ManagerAffected
  • >=4.3.0 <4.3.0.24
Fixed in
  • 4.3.0.24
WSO2WSO2 API ManagerAffected
  • >=4.2.0 <4.2.0.110
Fixed in
  • 4.2.0.110

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

Description

CVE-2024-6541 is a medium severity vulnerability in WSO2 Micro Integrator where the Class Mediator does not properly validate or sanitize messageContext properties used for dynamic values. Authenticated users could exploit this to access or modify data across system invocations that should be isolated, potentially disclosing sensitive information or causing unintended data modification. The impact depends on the specific use of messageContext properties in the affected versions.

References

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