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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…

Medium5.3EPSS 0.53%
Published
Updated
Reserved
Assigned by
WSO2

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.

Timeline

  1. ID reserved

    By WSO2

  2. Published

  3. · 10 months later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2023-6839, by who scored it
Scored byCVSSScoreVector
WSO2CNA (assigner)3.1Medium5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NVDNVD · Modified3.1Medium5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS (exploitation in 30 days)
0.53% · top 55% of all CVEs (7 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: yes · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.

Weakness

Affected products

  • WSO2 · WSO2 API Manager

    • unknown < 3.0.0.0
    • affected 3.0.0.0 – < 3.0.0.15
    • affected 3.2.0.0 – < 3.2.0.32

What to do

Solution: For WSO2 Subscription holders, the recommended solution is to apply the provided patch/update to the affected versions of the products. If there are any instructions given with the patch/update, please make sure those are followed properly. Community users may apply the relevant fixes to the product based on the public fix(s) advertised in  https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2022/WSO2-2021-1... https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2022/WSO2-2021-1334/

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .