What is CVE-2023-49394?

CVE-2023-49394 is a medium-severity vulnerability in Easycorp Zentao, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2024-01-10.

How severe is CVE-2023-49394?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Open Redirect in Easycorp Zentao

CVE-2023-49394

Zentao versions 4.1.3 and before has a URL redirect vulnerability, which prevents the system from functioning properly.

Vulnerability class: Open Redirect

Published 2024-01-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (28.8th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 28.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Easycorp Zentao

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

References

narrow-payment-2cd.notion.site/zentao-4-1-3-is-vulnerable-URL-redirect-b03f8f9f… (Exploit, Third Party Advisory)
gist.github.com/xue-yao-go/87d088fa3f423bba8098ef22988e4626 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-49394?: CVE-2023-49394 is a medium-severity vulnerability in Easycorp Zentao, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2024-01-10.
How severe is CVE-2023-49394?: Medium severity. CVSS v3 base score is 6.1 out of 10.