Cyber Resilience

CVE-2025-3849

MediumPublic PoC

Published: 22 April 2025

Published
22 April 2025
Modified
15 October 2025
KEV Added
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Patch
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CVSS Score v4 5.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/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
EPSS Score 0.0027 50.4th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-3849 is a medium-severity Unverified Password Change (CWE-620) vulnerability in Yxj2018 Springboot-Vue-Onlineexam. Its CVSS base score is 5.3 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked in the top 49.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

A vulnerability classified as problematic was found in YXJ2018 SpringBoot-Vue-OnlineExam 1.0. This vulnerability affects unknown code of the file /api/studentPWD. The manipulation of the argument studentId leads to unverified password change. The attack can be initiated remotely. The exploit has…

more

been disclosed to the public and may be used.

CWE(s)
CWE-620CWE-640

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
T1098 Account Manipulation Persistence
Adversaries may manipulate accounts to maintain and/or elevate access to victim systems.
attack.mitre.org →
T1078 Valid Accounts Stealth
Adversaries may obtain and abuse credentials of existing accounts as a means of gaining Initial Access, Persistence, Privilege Escalation, or Defense Evasion.
attack.mitre.org →
Why these techniques?

Vulnerability in /api/studentPWD allows remote unverified password changes for any studentId, enabling exploitation of public-facing web applications (T1190), account manipulation via password modification (T1098), and use of valid compromised accounts (T1078).

Affected Assets

yxj2018
springboot-vue-onlineexam
all versions

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

IA-5 Authenticator Management
addresses: CWE-640

Establishing procedures for lost or compromised authenticators addresses weak password recovery mechanisms.

References