SQL Injection in Hongjing E-Hr
CVE-2023-54399
Hongjing e-HR before 8.2 contains a SQL injection vulnerability in the /servlet/codesettree endpoint where the categories query parameter is passed to a database query without sanitization after HRMS-encoding is stripped. An unauthenticated remote attacker can supply a crafted UNION SELECT payload to read arbitrary database content, including credential tables such as operuser. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-14.
Vulnerability class: SQL Injection
Published · last modified .
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: 0.007 (54.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.4% 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: 0.007 · change: +0.003
Affected products
Weakness classification (CWE)
References
- www.cnvd.org.cn/flaw/show/CNVD-2023-08743 (third-party-advisory)
- cn-sec.com/archives/1861976.html (exploit)
- www.cnblogs.com/pursue-security/p/17704093.html (exploit)
- www.cloudsek.com/blog/mozi-resurfaces-as-androxgh0st-botnet-unraveling-the-late… (technical-description)
- www.vulncheck.com/advisories/hongjing-e-hr-sql-injection-via-servlet-codesettree (third-party-advisory)
Frequently asked questions
- What is CVE-2023-54399?
- CVE-2023-54399 is a critical-severity vulnerability in Hongjing E-Hr, classified under SQL Injection. CVSS score: 9.8/10. Published 2026-09-18.
- How severe is CVE-2023-54399?
- Critical severity. CVSS v3 base score is 9.8 out of 10.