What is CVE-2023-46963?

CVE-2023-46963 is a medium-severity vulnerability in Kaoshifeng Yunfan Learning Examination System, classified under Improper Authentication. CVSS score: 5.3/10. Published 2023-11-04.

How severe is CVE-2023-46963?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Auth bypass in Kaoshifeng Yunfan Learning Examination System

CVE-2023-46963

An issue in Beijing Yunfan Internet Technology Co., Ltd, Yunfan Learning Examination System v.6.5 allows a remote attacker to obtain sensitive information via the password parameter in the login function.

Vulnerability class: Broken Authentication

Published 2023-11-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.005 (42.3th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 42.3% 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

Kaoshifeng Yunfan Learning Examination System — versions 6.5

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

github.com/NBSLclass/glassfish/blob/main/Proof-of-vulnerability.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-46963?: CVE-2023-46963 is a medium-severity vulnerability in Kaoshifeng Yunfan Learning Examination System, classified under Improper Authentication. CVSS score: 5.3/10. Published 2023-11-04.
How severe is CVE-2023-46963?: Medium severity. CVSS v3 base score is 5.3 out of 10.