Is CVE-2023-5183 in the CISA KEV catalog?

No. CVE-2023-5183 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-5183?

CVE-2023-5183 has a CVSS v3 base score of 9.9 (CRITICAL).

What is the EPSS score for CVE-2023-5183?

CVE-2023-5183 has an EPSS score of 1.56% (72th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-5183?

Upgrade core policy compute engine to 23.2.11 or later.

CVE & CISA-KEV Catalog

CVE-2023-5183

CRITICALEPSS 72th pctl

9.9

CVSS v3

NVD

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.

CWE-502Deserialization of Untrusted Data

How to fix

Remediation Available

core policy compute engineNVD

Affected:>= 23.2.0, < 23.2.11Fixed in:23.2.11CVE-2023-5183derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

1.56%probability of exploitation in 30 days

72ndpercentile

Elevated risk: more likely to be exploited than 72% of all known CVEs.

References

Vendor Advisory1

docs.illumio.com

Related Vulnerabilities

Other CWE-502 (Deserialization of Untrusted Data) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-0669	High	7.2	100%	KEV + Ransom	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-35464	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-29300	Critical	9.8	100%	KEV + Ransom	-
CVE-2025-53770	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2022-47986	Critical	9.8	100%	KEV + Ransom	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.