CVE-2023-40266

Mitel Unify Openscape Xpressions Webassistant path traversal

9.8 CRITICALEPSS 0.70%

Published8 Feb 2024

Description

An issue was discovered in Atos Unify OpenScape Xpressions WebAssistant V7 before V7R1 FR5 HF42 P911. It allows path traversal.

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

Mitel Unify Openscape Xpressions Webassistant≥ 7.0 < 7r1_fr5_hf42_p911

Remediation

Fixed in

Mitel Unify Openscape Xpressions Webassistant≥ 7r1_fr5_hf42_p911

Frequently asked

Is CVE-2023-40266 being actively exploited?

CVE-2023-40266 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.70%.

How severe is CVE-2023-40266?

CVE-2023-40266 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.70% probability of exploitation.

Which products are affected by CVE-2023-40266?

Affected products include Mitel Unify Openscape Xpressions Webassistant.

How do I fix CVE-2023-40266?

Upgrade affected software to a fixed version, for example Mitel Unify Openscape Xpressions Webassistant 7r1_fr5_hf42_p911 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2023-40266 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.