How severe is CVE-2023-45077?

CVE-2023-45077 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-2023-45077 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-2023-45077?

CVE-2023-45077 primarily affects Lenovo Ideacentre C5-14imb05 Firmware. In total, 62 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-45077?

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

When was CVE-2023-45077 published?

CVE-2023-45077 was published on 2023-11-08 and last updated on 2026-06-17.

CVE-2023-45077

CVE-2023-45077 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-125.

Key facts

Severity: Medium (CVSS 3.x base score 6.7)
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Lenovo Ideacentre C5-14imb05 Firmware
Published: 2023-11-08
Last modified: 2026-06-17

Description

A memory leakage vulnerability was reported in the 534D0740 DXE driver that may allow a local attacker with elevated privileges to write to NVRAM variables.

Frequently asked questions

What is CVE-2023-45077?: A memory leakage vulnerability was reported in the 534D0740 DXE driver that may allow a local attacker with elevated privileges to write to NVRAM variables.
How severe is CVE-2023-45077?: CVE-2023-45077 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-2023-45077 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-2023-45077?: CVE-2023-45077 primarily affects Lenovo Ideacentre C5-14imb05 Firmware. In total, 62 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-45077?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-45077 published?: CVE-2023-45077 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 (62)

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_g5-14imb05_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:ideacentre_5-14iob6_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:ideacentre_creator_5-14iob6_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:ideacentre_g5-14amr05_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:ideacentre_gaming_5-14iob6_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:ideacentre_mini_5_01iaq7_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:ideacentre_mini_5-01imh05_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:legion_t7-34imz5_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m625q_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m630e_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m70a_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m920z_all-in-one_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m920x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m920t_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m920s_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m920q_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m90t_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m90s_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m90q_tiny_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m90a_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m820z_all-in-one_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m80t_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m80s_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:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m720t_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m720s_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m720q_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m70t_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m70s_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m70q_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:thinkcentre_m70c_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:v50t-13iob_g2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lenovo:v55t_gen_2_13acn_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-2023-45076 — 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…
CVE-2023-43580 — Medium (CVSS 6.7): A buffer overflow was reported in the SmuV11DxeVMR module in some Lenovo Desktop products that may allow a local…

All CVEs affecting Lenovo Ideacentre C5-14imb05 Firmware →

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CVE-2021-21777 — Critical (CVSS 10.0): An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer…
CVE-2017-14451 — Critical (CVSS 10.0): An exploitable out-of-bounds read vulnerability exists in libevm (Ethereum Virtual Machine) of CPP-Ethereum. A…
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