How severe is CVE-2023-43568?

CVE-2023-43568 has a CVSS 3.x base score of 4.4, 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 none, and availability none.

Is CVE-2023-43568 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-43568?

CVE-2023-43568 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-2023-43568?

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

When was CVE-2023-43568 published?

CVE-2023-43568 was published on 2023-11-08 and last updated on 2026-06-17.

CVE-2023-43568

CVE-2023-43568 is a medium-severity vulnerability in Lenovo Ideacentre C5-14imb05 Firmware with a CVSS 3.x base score of 4.4. 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-126.

Key facts

Severity: Medium (CVSS 3.x base score 4.4)
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-126
Affected product: Lenovo Ideacentre C5-14imb05 Firmware
Published: 2023-11-08
Last modified: 2026-06-17

Description

A buffer over-read was reported in the LemSecureBootForceKey module in some Lenovo Desktop products that may allow a local attacker with elevated privileges to disclose sensitive information.

Frequently asked questions

What is CVE-2023-43568?: A buffer over-read was reported in the LemSecureBootForceKey module in some Lenovo Desktop products that may allow a local attacker with elevated privileges to disclose sensitive information.
How severe is CVE-2023-43568?: CVE-2023-43568 has a CVSS 3.x base score of 4.4, 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 none, and availability none.
Is CVE-2023-43568 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-43568?: CVE-2023-43568 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-2023-43568?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-43568 published?: CVE-2023-43568 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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CVE-2023-51773 — Critical (CVSS 9.1): BACnet Stack before 1.3.2 has a decode function APDU buffer over-read in bacapp_decode_application_data in bacapp.c.
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