jeecg-boot up to 2.4.5 API checkOnlyUser?username=admin permission
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.9 | $0-$5k | 0.00 |
Summary
A vulnerability was found in jeecg-boot up to 2.4.5 and classified as critical. This affects an unknown part of the file /sys/user/checkOnlyUser?username=admin of the component API. Such manipulation leads to permission. This vulnerability is uniquely identified as CVE-2021-37306. The attack can be launched remotely. No exploit exists.
Details
A vulnerability was found in jeecg-boot up to 2.4.5. It has been rated as critical. Affected by this issue is an unknown code of the file /sys/user/checkOnlyUser?username=admin of the component API. The manipulation with an unknown input leads to a permission vulnerability. Using CWE to declare the problem leads to CWE-275. Impacted is confidentiality, integrity, and availability. CVE summarizes:
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: api uri:/sys/user/checkOnlyUser?username=admin.
The weakness was disclosed 02/03/2023 as 2794. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2021-37306 since 07/21/2021. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1222.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-0701). VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.9VulDB Meta Temp Score: 6.9
VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: PermissionCWE: CWE-275 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
07/21/2021 🔍02/03/2023 🔍
02/03/2023 🔍
07/05/2025 🔍
Sources
Advisory: 2794Status: Confirmed
CVE: CVE-2021-37306 (🔍)
GCVE (CVE): GCVE-0-2021-37306
GCVE (VulDB): GCVE-100-220112
EUVD: 🔍
Entry
Created: 02/03/2023 20:36Updated: 07/05/2025 17:08
Changes: 02/03/2023 20:36 (39), 03/04/2023 13:58 (11), 07/05/2025 17:08 (16)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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