CVE-2023-43119

Extremenetworks Exos vulnerability

9.8 CRITICALEPSS 0.75%

Published16 Oct 2023

Description

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.

CVSS 3.1 breakdown

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Extremenetworks Exos≥ 31.7.0 < 31.7.2 · ≥ 32.0 < 32.5.1.5 · < 22.7

Remediation

Fixed in

Extremenetworks Exos≥ 31.7.2

Frequently asked

Is CVE-2023-43119 being actively exploited?

CVE-2023-43119 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.75%.

How severe is CVE-2023-43119?

CVE-2023-43119 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.75% probability of exploitation.

Which products are affected by CVE-2023-43119?

Affected products include Extremenetworks Exos.

How do I fix CVE-2023-43119?

Upgrade affected software to a fixed version, for example Extremenetworks Exos 31.7.2 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2023-43119 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.