Authenticated RCE due to unsafe JSON deserialization

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.

Scores

EPSS (exploitation in 30 days)

1.8% · top 21% of all CVEs (6 Nov 2026)

CISA SSVC

Exploitation: none · Automatable: no · Technical impact: total

The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.9.

Weakness

• CWE-502 Deserialization of Untrusted Data (opens in a new tab)All about CWE-502 and its CVEs

Affected products

• Illumio · Core PCE

  • affected 19.3.0 – ≤ 19.3.6
  • affected 21.2.0 – ≤ 21.2.7
  • affected 21.5.0 – ≤ 21.5.35
  • affected 22.2.0 – ≤ 22.2.41
  • affected 22.5.0 – ≤ 22.5.30
  • affected 23.2.0 – ≤ 23.2.10

What to do

Solution: Upgrade to the latest release for a given major version.

References (1)

• https://docs.illumio.com/Guides/security-advisories/september-2023/cve-2023-5183.htm (opens in a new tab)x_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2023-5183](https://trackcve.app/badge/CVE-2023-5183.svg)](https://trackcve.app/cve/CVE-2023-5183)

Record last updated 24 Sept 2024, 13:43 UTC.