CVE-2023-46808
Published: 31 March 2024
Summary
CVE-2023-46808 is a critical-severity Unrestricted Upload of File with Dangerous Type (CWE-434) vulnerability in Ivanti Neurons For Itsm. Its CVSS base score is 9.9 (Critical).
Operationally, ranked in the top 5.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
The vulnerability is a file upload flaw tracked as CWE-434 in Ivanti ITSM (also referenced as Ivanti Neurons for ITSM) versions prior to 2023.4. It enables an authenticated remote user to perform arbitrary file writes on the server, which may result in command execution in the context of a non-root account. The issue carries a CVSS 3.1 base score of 9.9, reflecting network attack vector, low complexity, low-privileged access, and changed scope with high impact on confidentiality, integrity, and availability.
An authenticated remote attacker can exploit the weakness to upload and write files to the affected server, thereby achieving remote command execution without requiring user interaction. The attack requires valid credentials but no other preconditions beyond network reachability.
Ivanti has published security advisory SA-CVE-2023-46808 on its support forums describing the authenticated remote file-write issue and directing customers to apply the 2023.4 release or later. The EPSS score remains flat at 0.1301 with no material increase since disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-50974
Vulnerability details
An file upload vulnerability in Ivanti ITSM before 2023.4, allows an authenticated remote user to perform file writes to the server. Successful exploitation may lead to execution of commands in the context of non-root user.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
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.
Requiring identifiable owners for portable devices reduces the attack surface for unrestricted uploads of dangerous file types via anonymous media.
Dangerous file uploads can be detonated in the chamber to determine malice before any production write or execution occurs.
Prevents unrestricted writing of arbitrary or malicious firmware by keeping hardware write-protect enabled except under tightly controlled manual procedures.
Scans files from external sources on download/open/execute, blocking unrestricted uploads of dangerous file types.