What is CVE-2023-6599?

CVE-2023-6599 is a medium-severity vulnerability in Microweber, classified under CWE-544. CVSS score: 4.3/10. Published 2023-12-08.

How severe is CVE-2023-6599?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Microweber

CVE-2023-6599

Missing Standardized Error Handling Mechanism in GitHub repository microweber/microweber prior to 2.0.

Published 2023-12-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.005 (41.3th percentile), scored 2026-10-25.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 41.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Microweber
Microweber Microweber/microweber — versions unspecified

Weakness classification (CWE)

References

huntr.com/bounties/6198785c-bf60-422e-9b80-68a6e658a10e (Technical Description, Exploit, Patch, Issue Tracking)
github.com/microweber/microweber/commit/f7eb9e1c6e801346f07f3b0164a01ac5f2ca5cfd (Patch)

Frequently asked questions

What is CVE-2023-6599?: CVE-2023-6599 is a medium-severity vulnerability in Microweber, classified under CWE-544. CVSS score: 4.3/10. Published 2023-12-08.
How severe is CVE-2023-6599?: Medium severity. CVSS v3 base score is 4.3 out of 10.