How severe is CVE-2023-43573?

CVE-2023-43573 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-2023-43573 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-2023-43573?

CVE-2023-43573 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-2023-43573?

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

When was CVE-2023-43573 published?

CVE-2023-43573 was published on 2023-11-08 and last updated on 2026-06-17.

CVE-2023-43573

CVE-2023-43573 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 LEMALLDriversConnectedEventHook 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-2023-43573?: A buffer overflow was reported in the LEMALLDriversConnectedEventHook module in some Lenovo Desktop products that may allow a local attacker with elevated privileges to execute arbitrary code.
How severe is CVE-2023-43573?: CVE-2023-43573 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-2023-43573 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-2023-43573?: CVE-2023-43573 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-2023-43573?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-43573 published?: CVE-2023-43573 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:*:*:*:*:*:*:*:*

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