Cyber Resilience

CVE-2023-31412

Crypto Weakness in Sick Lms531 Firmware

Published
24 August 2023
Modified
21 November 2024
Patch / advisory
CVSS Score v3.1 7.5
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.0034 27th percentile
Risk Priority 57 floored blend · peak EPSS

Summary

CVE-2023-31412 is a high-severity Use of Password Hash With Insufficient Computational Effort (CWE-916) vulnerability in Sick Lms531 Firmware. Its CVSS base score is 7.5 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Brute Force (T1110); ranked at the 27th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability Data

The LMS5xx uses weak hash generation methods, resulting in the creation of insecure hashs. If an attacker manages to retrieve the hash, it could lead to collision attacks and the potential retrieval of the password.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise Techniques

T1110 Brute Force Credential Access
Adversaries may use brute force techniques to gain access to accounts when passwords are unknown or when password hashes are obtained.
T1110.002 Password Cracking Credential Access
Adversaries may use password cracking to attempt to recover usable credentials, such as plaintext passwords, when credential material such as password hashes are obtained.
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2023-4420Same product: Sick Lms500
CVE-2023-4419Same product: Sick Lms500
CVE-2023-4418Same product: Sick Lms500
CVE-2024-24553Shared CWE-916
CVE-2025-24340Shared CWE-916
CVE-2023-4986Shared CWE-916
CVE-2026-25861Shared CWE-916
CVE-2023-5846Shared CWE-916
CVE-2026-44611Shared CWE-916
CVE-2026-55069Shared CWE-916

Affected Assets

sick
lms531 firmware
all versions
sick
lms511 firmware
all versions
sick
lms500 firmware
all versions

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)
  • V11.4.2

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-916

Information from security contacts highlights password hashing methods with insufficient computational effort, preventing their adoption.

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.DS-01 mostly match
prevents

Proper password hashing is a direct instance of using cryptographic hashes to protect data-at-rest.

PR.PS-06 mostly match
prevents

Secure development practices explicitly include selection and configuration of strong, computationally expensive password hashes.

PR.AA-03 partial match
prevents

Authentication policies may reference password handling but do not address storage or computational cost of hashes.

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.

degrades

Requires secure handling of authentication information, which includes choosing strong password hashing schemes.

prevents

Requires appropriate use of cryptography, which encompasses selecting strong hashing algorithms for passwords.

prevents

Secure coding practices include implementing password storage with adequate computational effort.

degrades

Mandates secure authentication mechanisms, directly addressing the need for computationally strong password hashes.

References