CVE-2023-45894

Parallels Remote Application Server remote code execution

10.0 CRITICALEPSS 1.21%

Published14 Dec 2023

Description

The Remote Application Server in Parallels RAS before 19.2.23975 does not segment virtualized applications from the server, which allows a remote attacker to achieve remote code execution via standard kiosk breakout techniques.

CVSS 3.1 breakdown

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionNone

ScopeChanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Affected products

Parallels Remote Application Server< 19.2.23975

Remediation

Fixed in

Parallels Remote Application Server≥ 19.2.23975

Frequently asked

Is CVE-2023-45894 being actively exploited?

CVE-2023-45894 is not in the CISA KEV catalog. Its EPSS exploit probability is 1.21%.

How severe is CVE-2023-45894?

CVE-2023-45894 has a CVSS 3.1 base score of 10.0, rated critical. EPSS estimates a 1.21% probability of exploitation.

Which products are affected by CVE-2023-45894?

Affected products include Parallels Remote Application Server.

How do I fix CVE-2023-45894?

Upgrade affected software to a fixed version, for example Parallels Remote Application Server 19.2.23975 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2023-45894 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.