CVE-2023-5183

Name: CVE-2023-5183
Creator: NVD / NIST
Published: 2023-09-27T15:19:42.873+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.56%

Last modified Jun 17, 2026

CVE-2023-5183 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Unsafe deserialization of untrusted JSON allows execution of arbitrary code on affected releases of the Illumio PCE. Authentication to the API is required to exploit this vulnerability. EPSS estimates a 1.56% chance of exploitation in the next 30 days.

Description

Unsafe deserialization of untrusted JSON allows execution of arbitrary code on affected releases of the Illumio PCE. Authentication to the API is required to exploit this vulnerability. The flaw exists within the network_traffic API endpoint. An attacker can leverage this vulnerability to execute code in the context of the PCE’s operating system user.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

1.56%

72.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Illumio	Core Policy Compute Engine	< 19.3.7
Illumio	Core Policy Compute Engine	>= 21.2.0, < 21.2.8
Illumio	Core Policy Compute Engine	>= 21.5.0, < 21.5.36
Illumio	Core Policy Compute Engine	>= 22.2.0, < 22.2.42
Illumio	Core Policy Compute Engine	>= 22.5.0, < 22.5.31
Illumio	Core Policy Compute Engine	>= 23.2.0, < 23.2.11

References

https://docs.illumio.com/Guides/security-advisories/september-2023/cve-2023-5183.htmVendor Advisory
https://docs.illumio.com/Guides/security-advisories/september-2023/cve-2023-5183.htmVendor Advisory

Timeline

Published: Sep 27, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-5183?

How severe is CVE-2023-5183?

CVE-2023-5183 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.56% probability of exploitation in the next 30 days.

How do I fix CVE-2023-5183?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-5183?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST