How severe is CVE-2023-43567?

CVE-2023-43567 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-43567 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-43567?

CVE-2023-43567 primarily affects Lenovo Ideacentre C5-14imb05 Firmware. In total, 113 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-43567?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-43567 published?

CVE-2023-43567 was published on 2023-11-08 and last updated on 2026-06-17.

CVE-2023-43567

CVE-2023-43567 is a medium-severity vulnerability in Lenovo Ideacentre C5-14imb05 Firmware with a CVSS 3.x base score of 6.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-120.

Key facts

Severity: Medium (CVSS 3.x base score 6.7)
EPSS exploit prediction: 0% (14th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-120
Affected product: Lenovo Ideacentre C5-14imb05 Firmware
Published: 2023-11-08
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2023-43567?: A buffer overflow was reported in the LemSecureBootForceKey module in some Lenovo Desktop products that may allow a local attacker with elevated privileges to execute arbitrary code.
How severe is CVE-2023-43567?: CVE-2023-43567 has a CVSS 3.x base score of 6.7, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-43567 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-43567?: CVE-2023-43567 primarily affects Lenovo Ideacentre C5-14imb05 Firmware. In total, 113 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-43567?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-43567 published?: CVE-2023-43567 was published on 2023-11-08 and last updated on 2026-06-17.

References

https://support.lenovo.com/us/en/product_security/LEN-141775

Affected products (113)

cpe:2.3:o:lenovo:ideacentre_c5-14imb05_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:ideacentre_3-07ada05_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:ideacentre_3-07imb05_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:ideacentre_5_14iab7_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:ideacentre_5_14irb8_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:ideacentre_5-14acn6_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:ideacentre_t540-15ama_g_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_neo_70t_gen_3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_neo_50t_gen_3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_neo_50a_24_gen_4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_neo_50a_24_gen_3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_neo_30a_27_gen_4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_neo_30a_27_gen_4_firmware:o5nkt33a:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_neo_30a_27_gen_3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_neo_30a_24_gen_4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_neo_30a_24_gen_3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_neo_30a_22_gen_4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_neo_30a_22_gen_3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m920z_all-in-one_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m90t_gen_3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m90t_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m90s_gen_3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m90s_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m90q_tiny_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m90q_gen_3_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m90q_gen_2_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m90a_pro_gen_3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m90a_gen_3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m90a_gen_2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m90a_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m80t_gen_3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m80t_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m80s_gen_3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m80s_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m80q_gen_3_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m80q_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m75t_gen_2_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m75s_gen_2_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m75q_gen_2_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m75n_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Lenovo Ideacentre C5-14imb05 Firmware

CVE-2023-45079 — Medium (CVSS 6.7): A memory leakage vulnerability was reported in the NvmramSmm SMM driver that may allow a local attacker with elevated…
CVE-2023-45078 — Medium (CVSS 6.7): A memory leakage vulnerability was reported in the DustFilterAlertSmm SMM driver that may allow a local attacker with…
CVE-2023-45077 — Medium (CVSS 6.7): A memory leakage vulnerability was reported in the 534D0740 DXE driver that may allow a local attacker with elevated…
CVE-2023-45076 — Medium (CVSS 6.7): A memory leakage vulnerability was reported in the 534D0140 DXE driver that may allow a local attacker with elevated…
CVE-2023-45075 — Medium (CVSS 6.7): A memory leakage vulnerability was reported in the SWSMI_Shadow DXE driver that may allow a local attacker with…
CVE-2023-43581 — Medium (CVSS 6.7): A buffer overflow was reported in the Update_WMI module in some Lenovo Desktop products that may allow a local attacker…

All CVEs affecting Lenovo Ideacentre C5-14imb05 Firmware →

Other CWE-120 (Classic Buffer Overflow) vulnerabilities

CVE-2025-48611 — Critical (CVSS 10.0): In DeviceId of DeviceId.java, there is a possible desync in persistence due to a missing bounds check. This could lead…
CVE-2026-24823 — Critical (CVSS 10.0): Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in FASTSHIFT…
CVE-2026-24810 — Critical (CVSS 10.0): Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in rethinkdb (src/cjson modules).…
CVE-2026-24800 — Critical (CVSS 10.0): Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in tildearrow…
CVE-2025-9962 — Critical (CVSS 10.0): A buffer overflow vulnerability in Novakon P series allows attackers to gain root permission without prior…
CVE-2010-10016 — Critical (CVSS 10.0): BS.Player version 2.57 (build 1051) contains a vulnerability in its playlist import functionality. When processing .m3u…

Browse all CWE-120 (Classic Buffer Overflow) vulnerabilities →