CVE-2021-37305

HIGH EXPLOITED NUCLEI

jeecg < 2.4.5 - Insecure Permissions via /sys/user/querySysUser API

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2021-37305 has been observed exploited in the wild (reported by VulnCheck KEV). A Nuclei detection template is also available.

Description

An Insecure Permissions issue in jeecg-boot 2.4.5 and earlier allows remote attackers to gain escalated privilege and view sensitive information via api uri: /sys/user/querySysUser?username=admin.

Nuclei Templates (1)

Jeecg Boot <= 2.4.5 - Sensitive Information Disclosure
HIGHVERIFIEDby ritikchaddha
Shodan: title:"Jeecg-Boot" || http.title:"jeecg-boot"
FOFA: title="JeecgBoot 企业级低代码平台" || title="jeecg-boot" || title="jeecgboot 企业级低代码平台"

References (1)

Core 1
Core References

Scores

CVSS v3 7.5
EPSS 0.0352
EPSS Percentile 87.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

VulnCheck KEV 2025-10-31
CWE
CWE-732
Status published
Products (2)
jeecg/jeecg < 2.4.5
org.jeecgframework.boot/jeecg-boot-base 0Maven
Published Feb 03, 2023
Tracked Since Feb 18, 2026