Medium severity · published Dec 15, 2023
CVE-2023-6839
Due to improper error handling, a REST API resource could expose a server side error containing an internal WSO2 specific package name in the HTTP response
5.3
CVSS
0.5%
EPSS
No
On KEV
Description
Due to improper error handling, a REST API resource could expose a server side error containing an internal WSO2 specific package name in the HTTP response.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 44% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AM
Api Manager · Wso2
3.0.0; 3.1.0; 3.2.0; 4.0.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-6839
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-6839
Vendor Advisory
https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2022/WSO2-2021-1334/
More from Api Manager
10.0
CVE-2026-5430
Authentication Bypass via JWT Algorithm Mismatch in Multiple WSO2 Products Allows Account Takeover
9.8
CVE-2022-29464
WSO2 Multiple Products Unrestrictive Upload of File Vulnerability
10.0
CVE-2026-2053
Unauthenticated Server-Side Request Forgery via WS-Addressing in WSO2 API Manager
9.8
CVE-2026-1728
Privilege Escalation via System REST APIs in Multiple WSO2 Products Permits Admin Account Takeover
9.8
CVE-2025-9312
Improper Certificate-Based Authentication Enforcement in Multiple WSO2 Products