CVE-2023-34335
CWE-288Published: June 12, 2023· Updated: Jun 17, 2026
Official Description
AMI BMC contains a vulnerability in the IPMI handler, where an
unauthenticated host is allowed to write to a host SPI flash, bypassing secure
boot protections. An exploitation of this vulnerability may lead to a loss of
integrity or denial of service.
Technical Analysis
CVE-2023-34335 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.1.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (CWE-288)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-34335 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts