Cyber Resilience

CVE-2022-31704

Vmware Vrealize Log Insight 3.0 – 4.8

Public PoCHigh EPSS
Published
26 January 2023
Modified
02 April 2025
Patch / advisory
CVSS Score v3.1 9.8
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:H/A:H
EPSS Score 0.81 99.6th percentile
Risk Priority 97 floored blend · peak EPSS

Summary

CVE-2022-31704 is a critical-severity Improper Access Control (CWE-284) vulnerability in Vmware Vrealize Log Insight. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 0.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

The strongest mitigations our analysis identified map to AC-3 (Access Enforcement) and IA-2 (Identification and Authentication (Organizational Users)) — see the control section below for these in your framework.

Deeper analysis AI-assisted summary

Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.

The vRealize Log Insight appliance contains a broken access control vulnerability tracked as CVE-2022-31704. The flaw is present in the affected VMware component and carries a CVSS 3.1 base score of 9.8, reflecting network-accessible attack vectors that require no authentication or user interaction.

An unauthenticated remote attacker can exploit the weakness to inject arbitrary code into sensitive files on the appliance, resulting in full remote code execution with impacts to confidentiality, integrity, and availability.

VMware addressed the issue in security advisory VMSA-2023-0001. Public exploit material for the vulnerability has been posted to PacketStorm. The associated EPSS score has remained near its peak value of 0.9001 with a current reading of 0.8984.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability Data

The vRealize Log Insight contains a broken access control vulnerability. An unauthenticated malicious actor can remotely inject code into sensitive files of an impacted appliance which can result in remote code execution.

CWE(s)

Related Threats

Likely ATT&CK TechniquesAI

Techniques this vulnerability likely enables, inferred from its description, weakness type, and attributed-actor tradecraft. Confidence is per-technique.

T1190 Exploit Public-Facing Application Initial Accessconfidence: HIGH
Unauthenticated remote attacker can exploit broken access control to inject arbitrary code into sensitive files on the appliance, enabling remote code execution.
inferred from description + CWE · MITRE ATT&CK Enterprise v19.0

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CVE-2026-22754Same vendor: Vmware
CVE-2026-40966Same vendor: Vmware
CVE-2023-44794Same vendor: Vmware
CVE-2026-26145Shared CWE-284

Affected Assets

vmware
vrealize log insight
3.0 — 4.8 · 8.0.0 — 8.10.2

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)
  • AC-3 Access Enforcement
  • IA-2 Identification and Authentication (Organizational Users)
  • AC-6 Least Privilege
Detect
Catch it (NIST detect / respond)

Harden
Shrink the surface (DISA STIG)
  • 8 hardening rules · 4 OS baselines
Validate
Prove the fix (OWASP ASVS)
  • V10.3.5

Mitigating Controls (NIST 800-53 r5) AI

prevent

Directly enforces access-control policy to block the unauthenticated code-injection path described in CVE-2022-31704.

prevent

Requires identification and authentication before any remote access, eliminating the unauthenticated attack vector.

prevent

Limits privileges on the appliance so that even a successful file write cannot easily yield full RCE.

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.AA-05 mostly match
prevents

PR.AA-05 directly enforces policy-based access management and least privilege, eliminating most improper-access-control defects, yet CWE-284 also covers implementation flaws and design gaps outside a single management control.

PR.PS-01 mostly match
prevents

Hardened baselines and deviation monitoring directly eliminate most configuration-induced access-control defects, yet CWE-284 also encompasses code-level and design flaws outside the scope of configuration management alone.

PR.PS-06 mostly match
prevents

Secure SDLC practices catch most access-control defects during design/coding/testing (mostly), yet leave residual risk from runtime configuration, architecture, and operational controls (partial).

PR.AA-01 partial match
prevents

PR.AA-01 supplies managed identities/credentials that support but do not implement access-control decisions, so it only partially prevents CWE-284 in either direction.

PR.AA-03 partial match
prevents

Authentication directly blocks unauthenticated actors (partial prevention of CWE-284) but leaves authorization logic, policy enforcement, and role checks untouched, so the control neither eliminates nor fully mitigates the broader weakness.

PR.DS-01 partial match
prevents

PR.DS-01 encryption mitigates impact of failed access checks on stored data but neither implements nor constrains access-control logic itself.

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.

prevents

Defining and enforcing explicit access rights and restrictions for each entity directly stops the assignment of permissions that exceed what is required, eliminating the root condition that allows improper access control.

prevents

Formal authorization, role-based provisioning, and timely revocation of access rights directly stop the creation of accounts or permissions that exceed what the business actually needs.

prevents

By enforcing explicit rules on which identities or groups may perform read, write, delete or execute operations and by denying anonymous access to sensitive data, the control directly stops the creation of overly permissive or missing access-control checks.

prevents

Requiring one-to-one mapping of identities to entities and timely removal of unused identities directly stops attackers from leveraging stale or shared accounts to bypass access restrictions.

prevents

By explicitly transferring security roles and responsibilities when personnel change jobs or leave, the control reduces the chance that former employees retain access rights they no longer need, thereby limiting improper access control.

prevents

Physical entry controls enforce explicit authorization and authentication at every access point, directly stopping unauthorized actors from reaching information-processing assets.

References