What is CVE-2023-22900?

CVE-2023-22900 is a critical-severity vulnerability in Thinkingsoftware Efence, classified under SQL Injection. CVSS score: 9.8/10. Published 2023-01-31.

How severe is CVE-2023-22900?

Critical severity. CVSS v3 base score is 9.8 out of 10.

SQL Injection in Thinkingsoftware Efence

CVE-2023-22900

Efence login function has insufficient validation for user input. An unauthenticated remote attacker can exploit this vulnerability to inject arbitrary SQL commands to access, modify or delete database.

Vulnerability class: SQL Injection

Published 2023-01-31 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (62.3th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Thinkingsoftware Efence — versions 1.2.58
Thinking Software Technology Co., Ltd. Efence — versions 1.2.58 DB.ver 28

Weakness classification (CWE)

CWE-89 — SQL Injection

References

www.twcert.org.tw/tw/cp-132-6885-d679e-1.html (Third Party Advisory)

Frequently asked questions

What is CVE-2023-22900?: CVE-2023-22900 is a critical-severity vulnerability in Thinkingsoftware Efence, classified under SQL Injection. CVSS score: 9.8/10. Published 2023-01-31.
How severe is CVE-2023-22900?: Critical severity. CVSS v3 base score is 9.8 out of 10.