Cyber Resilience

CVE-2023-43119

Critical

Published: 16 October 2023

Published
16 October 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0037 59.5th percentile
Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-43119 is a critical-severity Incorrect Authorization (CWE-863) vulnerability in Extremenetworks Exos. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 40.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

An Access Control issue discovered in Extreme Networks Switch Engine (EXOS) before 32.5.1.5, also fixed in 22.7, 31.7.2 allows attackers to gain escalated privileges using crafted telnet commands via Redis server.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

extremenetworks
exos
≤ 22.7 · 31.7.0 — 31.7.2 · 32.0 — 32.5.1.5

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.

addresses: CWE-284 CWE-863

The access control policy and procedures directly mandate and enforce proper access control mechanisms across the organization.

addresses: CWE-284 CWE-863

Supervision and review of access control activities directly detects and remediates improper access configurations or usages.

addresses: CWE-284 CWE-863

Associating and retaining security attributes with data directly supports enforcement of access control decisions across storage, processing, and transmission.

addresses: CWE-284 CWE-863

Requiring prior authorization for each remote access type prevents improper access control over remote connections.

addresses: CWE-284 CWE-863

Requiring authorization of wireless access before allowing connections enforces proper access control for this access method.

addresses: CWE-284 CWE-863

Requiring authorization and configuration controls for mobile device connections directly enforces access control and prevents unauthorized devices from reaching organizational systems.

addresses: CWE-284 CWE-863

Defining account types, requiring approvals for creation, specifying authorizations, monitoring usage, and reviewing accounts directly prevents improper access control by ensuring only authorized accounts exist and are used.

addresses: CWE-284 CWE-863

Enforces rules governing access to the system and its data from external systems based on established trust relationships.

References