Vulnerability Database

328,409

Total vulnerabilities in the database

CVE-2023-43571

A buffer overflow was reported in the BiosExtensionLoader module in some Lenovo Desktop products that may allow a local attacker with elevated privileges to execute arbitrary code.

  • Published: Nov 8, 2023
  • Updated: Nov 16, 2025
  • CVE: CVE-2023-43571
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 6.7
  • AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CWEs:

Software From Fixed in
lenovo / ideacentre_c5-14imb05_firmware - o4hkt3ca
lenovo / ideacentre_3-07ada05_firmware - o4fkt39a
lenovo / ideacentre_3-07imb05_firmware - m2vkt21a
lenovo / ideacentre_5_14iab7_firmware - m42kt46a
lenovo / ideacentre_5_14irb8_firmware - m4ukt36a
lenovo / thinkcentre_neo_70t_gen_3_firmware - m40kt45a
lenovo / thinkcentre_neo_50t_gen_3_firmware - m42kt46a
lenovo / thinkcentre_neo_50a_24_gen_4_firmware - o5xkt18a
lenovo / thinkcentre_neo_50a_24_gen_3_firmware - o5rkt41a
lenovo / thinkcentre_neo_30a_27_gen_4_firmware - o5nkt33a
lenovo / thinkcentre_neo_30a_27_gen_4_firmware o5nkt33a o5nkt33a.x
lenovo / thinkcentre_neo_30a_27_gen_3_firmware - o5nkt33a
lenovo / thinkcentre_neo_30a_24_gen_4_firmware - o5nkt33a
lenovo / thinkcentre_neo_30a_24_gen_3_firmware - o5nkt33a
lenovo / thinkcentre_neo_30a_22_gen_4_firmware - o5nkt33a
lenovo / thinkcentre_neo_30a_22_gen_3_firmware - o5nkt33a
lenovo / thinkcentre_m920z_all-in-one_firmware - m1mkt56a
lenovo / thinkcentre_m90t_gen_3_firmware - m40kt45a
lenovo / thinkcentre_m90t_firmware - m2tkt55a
lenovo / thinkcentre_m90s_gen_3_firmware - m40kt45a
lenovo / thinkcentre_m90s_firmware - m2tkt55a
lenovo / thinkcentre_m90a_pro_gen_3_firmware - m4hkt1da
lenovo / thinkcentre_m90a_gen_3_firmware - m4ikt1da
lenovo / thinkcentre_m90a_gen_2_firmware - m3lkt2aa
lenovo / thinkcentre_m90a_firmware - m2rkt57a
lenovo / thinkcentre_m80t_gen_3_firmware - m40kt45a
lenovo / thinkcentre_m80t_firmware - m2tkt55a
lenovo / thinkcentre_m80s_gen_3_firmware - m40kt45a
lenovo / thinkcentre_m80s_firmware - m2tkt55a
lenovo / thinkcentre_m75n_firmware - m33kt29a
lenovo / thinkcentre_m70t_gen_3_firmware - m41kt45a
lenovo / thinkcentre_m70t_firmware - m2tkt55a
lenovo / thinkcentre_m70s_gen_3_firmware - m41kt45a
lenovo / thinkcentre_m70s_firmware - m2tkt55a
lenovo / thinkcentre_m70c_firmware - m2vkt21a
lenovo / thinkcentre_m630e_firmware - m28kt42a
lenovo / loq_17irb8_firmware - m4ukt36a
lenovo / legion_t5_26iab7_firmware - o5lkt2ba
lenovo / legion_t7-34imz5_firmware - o5fkt17a
lenovo / legion_t7-34iaz7_firmware - o5hkt2ca
lenovo / legion_t7_34irz8_firmware - o5ukt1fa
lenovo / legion_t5_26irb8_firmware - o5tkt1ca
lenovo / ideacentre_mini_5_01iaq7_firmware - o53kt10a
lenovo / ideacentre_gaming_5-14iob6_firmware - m3gkt3da
lenovo / ideacentre_gaming_5_17iab7_firmware - m42kt46a
lenovo / ideacentre_g5-14imb05_firmware - o4hkt3ca
lenovo / ideacentre_g5-14amr05_firmware - o4zkt2ba
lenovo / ideacentre_creator_5-14iob6_firmware - m3gkt3da
lenovo / ideacentre_aio_5_27iah7_firmware - o5rkt41a
lenovo / ideacentre_aio_5_24iah7_firmware - o5rkt41a
lenovo / ideacentre_aio_3-27itl6_firmware - o5akt34a
lenovo / ideacentre_aio_3-27imb05_firmware - o4rkt31a
lenovo / ideacentre_aio_3-24itl6_firmware - o5akt34a
lenovo / ideacentre_aio_3-24imb05_firmware - o4rkt31a
lenovo / ideacentre_aio_3-24iil5_firmware - o56kt24a
lenovo / ideacentre_aio_3-24alc6_firmware - o5bkt25a
lenovo / ideacentre_aio_3-22itl6_firmware - o5akt34a
lenovo / ideacentre_aio_3-22imb05_firmware - o4rkt31a
lenovo / ideacentre_aio_3-22iil5_firmware - o56kt24a
lenovo / ideacentre_aio_3_27iap7_firmware - o5nkt33a
lenovo / ideacentre_aio_3_24iap7_firmware - o5nkt33a
lenovo / ideacentre_aio_3_22iap7_firmware - o5nkt33a
lenovo / ideacentre_aio_3_21itl7_firmware - o5akt34a
lenovo / ideacentre_5-14iob6_firmware - m3gkt3da
lenovo / ideacentre_5-14imb05_firmware - o4hkt3ca
lenovo / v30a-22iml_firmware - m37kt31a
lenovo / v30a-22itl_firmware - o5akt34a
lenovo / v30a-24iml_firmware - m37kt31a
lenovo / v30a-24itl_firmware - o5akt34a
lenovo / v50a-22imb_firmware - m36kt32a
lenovo / v50a-24imb_firmware - m36kt32a
lenovo / v50s-07imb_firmware - m2vkt21a
lenovo / v50t-13imb_firmware - o4hkt3ca
lenovo / v50t-13imh_firmware - m4pkt16a
lenovo / v50t-13iob_firmware - m3gkt3da
lenovo / v55t_gen_2_13acn_firmware - o5jkt2ca
lenovo / thinkstation_p360_workstation_firmware - s0ekt45a
lenovo / thinkstation_p358_workstation_firmware - s0hkt23a
lenovo / thinkstation_p340_workstation_firmware - s08kt55a
lenovo / thinkstation_p330_workstation_2nd_gen_firmware - m1vkt73a
lenovo / thinkstation_p330_workstation_firmware - m1vkt73a

Frequently Asked Questions

A security vulnerability is a weakness in software, hardware, or configuration that can be exploited to compromise confidentiality, integrity, or availability. Many vulnerabilities are tracked as CVEs (Common Vulnerabilities and Exposures), which provide a standardized identifier so teams can coordinate patching, mitigation, and risk assessment across tools and vendors.

CVSS (Common Vulnerability Scoring System) estimates technical severity, but it doesn't automatically equal business risk. Prioritize using context like internet exposure, affected asset criticality, known exploitation (proof-of-concept or in-the-wild), and whether compensating controls exist. A "Medium" CVSS on an exposed, production system can be more urgent than a "Critical" on an isolated, non-production host.

A vulnerability is the underlying weakness. An exploit is the method or code used to take advantage of it. A zero-day is a vulnerability that is unknown to the vendor or has no publicly available fix when attackers begin using it. In practice, risk increases sharply when exploitation becomes reliable or widespread.

Recurring findings usually come from incomplete Asset Discovery, inconsistent patch management, inherited images, and configuration drift. In modern environments, you also need to watch the software supply chain: dependencies, containers, build pipelines, and third-party services can reintroduce the same weakness even after you patch a single host. Unknown or unmanaged assets (often called Shadow IT) are a common reason the same issues resurface.

Use a simple, repeatable triage model: focus first on externally exposed assets, high-value systems (identity, VPN, email, production), vulnerabilities with known exploits, and issues that enable remote code execution or privilege escalation. Then enforce patch SLAs and track progress using consistent metrics so remediation is steady, not reactive.

SynScan combines attack surface monitoring and continuous security auditing to keep your inventory current, flag high-impact vulnerabilities early, and help you turn raw findings into a practical remediation plan.