CVE-2024-12483: dromara ujcms Improper Authorization
Vulnerability summary
CVE-2024-12483 is a medium (CVSS 6.3) Improper Authorization vulnerability in dromara ujcms. EPSS estimates a 3.56% chance of exploitation in the next 30 days, higher than 89.1% of scored vulnerabilities. 2 public exploits are recorded.
Timeline
- 11-12-2024PublishedVulnerability first disclosed.
- 11-12-2024Last modifiedVulnerability information updated.
Description
A vulnerability classified as problematic has been found in Dromara UJCMS up to 9.6.3. This affects an unknown part of the file /users/id of the component User ID Handler. The manipulation leads to authorization bypass. It is possible to initiate the attack remotely. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed to the public and may be used.
CVSS metrics
7 scores · 2 sources · 4 versions- NVDNIST6.3MediumCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- NVDNIST5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:NDiffers
- NVDNIST2.6LowAV:N/AC:H/Au:N/C:P/I:N/A:N
EPSS trend
Probability
3.56%
Chance of exploitation in the next 30 days
Percentile
89%
Versus all other CVEs
30-day change
0.00 pp
From 3.56% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundVulnerability Research
Maturity: poc
UJCMS 9.6.3 - User Enumeration via IDOR
Maturity: poc
Weaknesses
CWE · root cause- CWE-285Improper AuthorizationThe product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.
- CWE-639Authorization Bypass Through User-Controlled KeyThe system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.
Affected systems
2 vendors · 2 products
References
4 links- github.com/cydtseng/Vulnerability-Research/blob/main/ujcms/IDOR-UsernameEnumeration.mdExploitThird Party Advisory