CVE & CISA-KEV Catalog

CVE-2023-6837

HIGH
8.5
CVSS v3
NVD

Description

Multiple WSO2 products have been identified as vulnerable to perform user impersonatoin using JIT provisioning. In order for this vulnerability to have any impact on your deployment, following conditions must be met: * An IDP configured for federated authentication and JIT provisioning enabled with the "Prompt for username, password and consent" option. * A service provider that uses the above IDP for federated authentication and has the "Assert identity using mapped local subject identifier" flag enabled. Attacker should have: * A fresh valid user account in the federated IDP that has not been used earlier. * Knowledge of the username of a valid user in the local IDP. When all preconditions are met, a malicious actor could use JIT provisioning flow to perform user impersonation.

How to fix

Remediation Available
api managerNVD
Affected:>= 4.0.0, < 4.0.0.35Fixed in:4.0.0.35CVE-2023-6837derived from NVD
carbon identity application authentication endpointNVD
Affected:>= 5.12.154.0, < 5.20.254Fixed in:5.20.254CVE-2023-6837derived from NVD
carbon identity application authentication frameworkNVD
Affected:>= 5.18.188.0, < 5.20.254Fixed in:5.20.254CVE-2023-6837derived from NVD
identity serverNVD
Affected:>= 5.11.0, < 5.11.0.69Fixed in:5.11.0.69CVE-2023-6837derived from NVD
identity server as key managerNVD
Affected:>= 5.10.0, < 5.10.0.80Fixed in:5.10.0.80CVE-2023-6837derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeChanged

Impact

ConfidentialityHigh
IntegrityLow
AvailabilityNone

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

Exploit Intelligence

0.46%probability of exploitation in 30 days
37thpercentile

Low risk: more likely to be exploited than 37% of all known CVEs.

References

Vendor Advisory1

Related Vulnerabilities

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CVE-2025-29927Critical9.1100%-Fix
CVE-2024-38856Critical9.899%KEVFix
CVE-2020-36289Medium5.399%-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 2025-06-05.