Cyber Resilience

CVE-2023-28324

Critical

Published: 01 July 2023

Published
01 July 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.8279 99.3th percentile
Risk Priority 69 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-28324 is a critical-severity Improper Input Validation (CWE-20) vulnerability in Ivanti Endpoint Manager. Its CVSS base score is 9.8 (Critical).

Operationally, ranked in the top 0.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

Deeper analysis

An improper input validation vulnerability, tracked as CWE-20, affects Ivanti Endpoint Manager versions 2022 and earlier. The flaw carries a CVSS 3.1 base score of 9.8 and permits privilege escalation or remote code execution when untrusted input is processed by the product.

Unauthenticated attackers with network access can supply crafted input to trigger the flaw, resulting in full compromise of confidentiality, integrity, and availability on affected systems without requiring user interaction or credentials.

Vendor advisory SA-2023-06-06-CVE-2023-28324, referenced in the disclosure, details the available patches and recommended remediation steps for Ivanti Endpoint Manager deployments. The associated EPSS score has remained at 0.8279 since publication, indicating sustained but not newly emerging exploitation interest.

EU & UK References

Vulnerability details

A improper input validation vulnerability exists in Ivanti Endpoint Manager 2022 and below that could allow privilege escalation or remote code execution.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

ivanti
endpoint manager
≤ 2022

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-20

Security testing and developer training directly verify and enforce proper input validation, reducing exploitability of injection and malformed-data weaknesses.

addresses: CWE-20

Security testing and evaluation at multiple SDLC stages directly detects missing or flawed input validation, with the required remediation process ensuring fixes are applied.

addresses: CWE-20

Directly implements checks on information inputs to reject invalid data before processing.

addresses: CWE-20

Spam protection mechanisms perform filtering and detection on inbound/outbound messages, directly compensating for missing or weak input validation of unsolicited content.

References