CVE-2020-8334
CVE-2020-8334 is a medium-severity vulnerability in Lenovo Thinkpad T495s Firmware with a CVSS 3.x base score of 6.1. 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-754.
Key facts
- Severity: Medium (CVSS 3.x base score 6.1)
- CVSS v2: 4.6
- EPSS exploit prediction: 0% (23rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-754
- Affected product: Lenovo Thinkpad T495s Firmware
- Published:
- Last modified:
Description
The BIOS tamper detection mechanism was not triggered in Lenovo ThinkPad T495s, X395, T495, A485, A285, A475, A275 which may allow for unauthorized access.
Frequently asked questions
- What is CVE-2020-8334?
- The BIOS tamper detection mechanism was not triggered in Lenovo ThinkPad T495s, X395, T495, A485, A285, A475, A275 which may allow for unauthorized access.
- How severe is CVE-2020-8334?
- CVE-2020-8334 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
- Is CVE-2020-8334 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-8334?
- CVE-2020-8334 primarily affects Lenovo Thinkpad T495s Firmware. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2020-8334?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-8334 published?
- CVE-2020-8334 was published on 2020-06-09 and last updated on 2026-06-17.
References
Affected products (7)
- cpe:2.3:o:lenovo:thinkpad_t495s_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:thinkpad_x395_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:thinkpad_t495_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:thinkpad_a485_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:thinkpad_a285_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:thinkpad_a475_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:thinkpad_a275_firmware:-:*:*:*:*:*:*:*
More vulnerabilities in Lenovo Thinkpad T495s Firmware
- CVE-2020-8323 — Medium (CVSS 6.4): A potential vulnerability in the SMI callback function used in the Legacy SD driver in some Lenovo ThinkPad,…
- CVE-2020-8320 — Medium (CVSS 6.4): An internal shell was included in BIOS image in some ThinkPad models that could allow escalation of privilege.
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