Cyber Resilience

CVE-2023-2473

DoS in Iteachyou Dreamer Cms ≤ 4.1.3

Published
02 May 2023
Modified
04 April 2025
CVSS Score v3.1 4.3
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
EPSS Score 0.0093 57th percentile
Risk Priority 39 floored blend · peak EPSS

Summary

CVE-2023-2473 is a medium-severity Inefficient Algorithmic Complexity (CWE-407) vulnerability in Iteachyou Dreamer Cms. Its CVSS base score is 4.3 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Endpoint Denial of Service (T1499); ranked in the top 43% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability Data

A vulnerability was found in Dreamer CMS up to 4.1.3. It has been declared as problematic. This vulnerability affects the function updatePwd of the file UserController.java of the component Password Hash Calculation. The manipulation leads to inefficient algorithmic complexity. The…

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attack can be initiated remotely. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-227860.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise Techniques

T1499 Endpoint Denial of Service Impact
Adversaries may perform Endpoint Denial of Service (DoS) attacks to degrade or block the availability of services to users.
T1499.003 Application Exhaustion Flood Impact
Adversaries may target resource intensive features of applications to cause a denial of service (DoS), denying availability to those applications.
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2023-48063Same product: Iteachyou Dreamer Cms
CVE-2023-27084Same product: Iteachyou Dreamer Cms
CVE-2023-43857Same product: Iteachyou Dreamer Cms
CVE-2024-3311Same product: Iteachyou Dreamer Cms
CVE-2023-0513Same product: Iteachyou Dreamer Cms
CVE-2023-46886Same product: Iteachyou Dreamer Cms
CVE-2023-45906Same product: Iteachyou Dreamer Cms
CVE-2023-45901Same product: Iteachyou Dreamer Cms
CVE-2025-1548Same product: Iteachyou Dreamer Cms
CVE-2024-2354Same product: Iteachyou Dreamer Cms

Affected Assets

iteachyou
dreamer cms
≤ 4.1.3

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)

Detect
Catch it (NIST detect / respond)

Harden
Shrink the surface (DISA STIG)

Validate
Prove the fix (OWASP ASVS)
  • V1.2.9

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.

addresses: CWE-407

Addresses inefficient algorithms whose complexity can be exploited for DoS.

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.PS-06 mostly match
prevents

Secure SDLC practices (code review, complexity analysis, safe algorithm selection) prevent introduction of exploitable worst-case behavior.

DE.CM-09 partial match
prevents

Runtime monitoring of software and resources can detect the performance impact of triggered worst-case complexity.

ID.RA-01 partial match
prevents

Identifying and recording algorithmic-complexity vulnerabilities directly addresses the root cause before exploitation.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

finds

Security testing can uncover performance issues stemming from algorithmic complexity.

mitigates

Redundancy of processing facilities can absorb resource exhaustion from inefficient algorithms.

finds

Monitoring activities can identify anomalous resource consumption indicative of algorithmic complexity attacks.

prevents

Secure development life cycle includes design reviews that can catch inefficient algorithms before deployment.

prevents

Secure system architecture principles encourage selection of algorithms with acceptable worst-case complexity.

prevents

Secure coding practices can include guidelines to avoid or mitigate inefficient algorithms.

References