What is CVE-2023-39507?

CVE-2023-39507 is a medium-severity vulnerability in Recruit Rikunabi Next, classified under Missing Authorization. CVSS score: 6.1/10. Published 2023-08-16.

How severe is CVE-2023-39507?

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

Auth bypass in Recruit Rikunabi Next

CVE-2023-39507

Improper authorization in the custom URL scheme handler in "Rikunabi NEXT" App for Android prior to ver. 11.5.0 allows a malicious intent to lead the vulnerable App to access an arbitrary website.

Vulnerability class: Broken Access Control

EPSS: 0.003 (24.8th percentile) — read the EPSS interpretation.

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.

Affected products

Recruit Rikunabi_next
Recruit Co., Ltd. "Rikunabi Next" App For Android — versions prior to ver. 11.5.0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

vultures@jpcert.or.jp (Third Party Advisory)

Frequently asked questions

What is CVE-2023-39507?: CVE-2023-39507 is a medium-severity vulnerability in Recruit Rikunabi Next, classified under Missing Authorization. CVSS score: 6.1/10. Published 2023-08-16.
How severe is CVE-2023-39507?: Medium severity. CVSS v3 base score is 6.1 out of 10.