CVE-2023-6655Public exploitNetwork attack vector

Unauthenticated SQL injection via parentid parameter

Published Dec 10, 2023 · Updated May 27, 2025

SQL injection in Hongjing e-HR 2020 allows remote attackers to execute arbitrary SQL through the Login Interface endpoint. The loadhistroyorgtree servlet processes the parentid parameter without neutralizing SQL syntax before database use. No authentication or user interaction is required, and successful injection can read or modify database data or interrupt service.

CVSS severity7.3
High
EPSS probability3.74%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

SQL injection in Hongjing e-HR 2020 allows remote attackers to execute arbitrary SQL through the Login Interface endpoint. The loadhistroyorgtree servlet processes the parentid parameter without neutralizing SQL syntax before database use. No authentication or user interaction is required, and successful injection can read or modify database data or interrupt service.

The record

CVE
CVE-2023-6655
Published
Dec 10, 2023
Updated
May 27, 2025
Vendor
Beijing Hongjing Century Software Co., Ltd.
Product
Hongjing e-HR
Classifications
CWE-89, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 10, 2023CVE publishedPublication date reported by the CVE source.
  2. May 27, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=2020

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Beijing Hongjing Century Software Co., Ltd. · Hongjing e-HRversion=2020

Published CVSS scores

7.3VulDBCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
7.5VulDBAV:N/AC:L/Au:N/C:P/I:P/A:P
9.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-89Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
T1190Exploit Public-Facing Application

Public exploit references

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Technologies

Your stack

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Your stack

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