Cyber Resilience

CVE-2023-34471

Ami Megarac Sp-X 12 … 13

Published
05 July 2023
Modified
21 November 2024
Patch / advisory
View advisory
CVSS Score v3.1 6.3
Click a component to see what it means
Raw vectorCVSS:3.1/AV:A/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.0030 23th percentile
Risk Priority 46 floored blend · peak EPSS

Summary

CVE-2023-34471 is a medium-severity Missing Cryptographic Step (CWE-325) vulnerability in Ami Megarac Sp-X. Its CVSS base score is 6.3 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Weaken Encryption (T1600); ranked at the 23th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

A04:2025 Cryptographic Failures

EU & UK References

Vulnerability Data

AMI SPx contains a vulnerability in the BMC where a user may cause a missing cryptographic step by generating a hash-based message authentication code (HMAC). A successful exploit of this vulnerability may lead to the loss confidentiality, integrity, and authentication.

CWE(s)
CWE-325NVD-CWE-Other

Related Threats

MITRE ATT&CK Enterprise Techniques

T1600 Weaken Encryption Defense Impairment
Adversaries may compromise a network device’s encryption capability in order to bypass encryption that would otherwise protect data communications.
attack.mitre.org →
T1600.001 Reduce Key Space Defense Impairment
Adversaries may reduce the level of effort required to decrypt data transmitted over the network by reducing the cipher strength of encrypted communications.
attack.mitre.org →
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2023-37296Same product: Ami Megarac Sp-X
CVE-2023-37294Same product: Ami Megarac Sp-X
CVE-2023-34341Same product: Ami Megarac Sp-X
CVE-2023-34337Same product: Ami Megarac Sp-X
CVE-2023-34342Same product: Ami Megarac Sp-X
CVE-2023-34334Same product: Ami Megarac Sp-X
CVE-2023-25192Same product: Ami Megarac Sp-X
CVE-2023-25191Same product: Ami Megarac Sp-X
CVE-2023-37297Same product: Ami Megarac Sp-X
CVE-2023-34336Same product: Ami Megarac Sp-X

Affected Assets

ami
megarac sp-x
12, 13

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)

—

Detect
Catch it (NIST detect / respond)

—

Harden
Shrink the surface (DISA STIG)
  • 14 hardening rules · 6 OS baselines
Validate
Prove the fix (OWASP ASVS)

—

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 explicitly include correct cryptographic algorithm implementation and testing.

PR.DS-01 partial match
prevents

Proper encryption of data-at-rest requires all algorithm steps; omitting one directly weakens the control.

PR.DS-02 partial match
prevents

Proper encryption of data-in-transit requires all algorithm steps; omitting one directly weakens the control.

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.

A.8.29 Security testing in development and acceptance mostly match
finds

Security testing can detect incomplete crypto implementations but does not itself enforce correct algorithm steps.

A.8.24 Use of cryptography partial match
degrades

Mandates correct use of cryptographic controls, directly preventing omission of required algorithm steps.

A.8.25 Secure development life cycle partial match
prevents

Secure SDLC processes reduce the likelihood of missing crypto steps but do not guarantee algorithm completeness.

A.8.28 Secure coding partial match
prevents

Requires secure coding practices that would catch missing cryptographic steps during development.

Hardening callouts derived

Configuration rules from DISA STIG baselines that bear on weaknesses of the type cited by this CVE. Each rule is shown with the relationship its mapping actually records, against the CWE it was authored against. Derived via CVE→CWE over `controls_xwalks` (authoritative rows only; rows rated `none` are excluded).

Oracle Linux 8 (2 rules)
  • V-248524 OL 8 must implement NIST FIPS-validated cryptography for the following: To provision digital signatures, to generate cryptographic hashes, and to protect data requiring data-at-rest protections in accordance with applicable federal laws, Executive Orders, directives, policies, regulations, and standards. prevents CWE-325
  • V-248535 The OL 8 shadow password suite must be configured to use a sufficient number of hashing rounds. prevents CWE-325
Oracle Linux 9 (1 rule)
  • V-271454 OL 9 must enable FIPS mode. prevents CWE-325
RHEL 7 (1 rule)
  • V-204497 The Red Hat Enterprise Linux operating system must implement NIST FIPS-validated cryptography for the following: to provision digital signatures, to generate cryptographic hashes, and to protect data requiring data-at-rest protections in accordance with applicable federal laws, Executive Orders, directives, policies, regulations, and standards. prevents CWE-325
RHEL 8 (1 rule)
  • V-230223 RHEL 8 must implement NIST FIPS-validated cryptography for the following: To provision digital signatures, to generate cryptographic hashes, and to protect data requiring data-at-rest protections in accordance with applicable federal laws, Executive Orders, directives, policies, regulations, and standards. prevents CWE-325
Ubuntu 22.04 (1 rule)
  • V-260650 Ubuntu 22.04 LTS must implement NIST FIPS-validated cryptography to protect classified information and for the following: To provision digital signatures, to generate cryptographic hashes, and to protect unclassified information requiring confidentiality and cryptographic protection in accordance with applicable federal laws, Executive Orders, directives, policies, regulations, and standards. prevents CWE-325
Ubuntu 24.04 (1 rule)
  • V-270744 Ubuntu 24.04 LTS must implement NIST FIPS-validated cryptography to protect classified information and for the following: To provision digital signatures, to generate cryptographic hashes, and to protect unclassified information requiring confidentiality and cryptographic protection in accordance with applicable federal laws, Executive Orders, directives, policies, regulations, and standards. prevents CWE-325

References