Time-of-check time-of-use race condition in Lenovo System Update
Priority LOW 31CWE-367Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
A race condition vulnerability was reported in Lenovo System Update prior to version 5.07.0106 that could allow escalation of privilege.
Why it matters now
EPSS 0.00217 12th percentileScored 2026-11-07
Fix Fixed System Update (Lenovo): 5.07.0106
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA System Update (Lenovo) Fixed in 5.07.0106
Timeline
- 2026-10-02 Threatist record created from CVE-2020-8342
- 2026-10-03 Alias added: GHSA-jh9f-947r-wfrf
References
More Lenovo System Update vulnerabilities
- TI-2015-01977 Lenovo System Update (formerly ThinkVantage System Update) before 5.06.0034 uses… CVSS 2.0HIGH 7.2
- TI-2023-04271 Uncontrolled search path in Lenovo System Update CVSS 3.1HIGH 7.8
- TI-2022-00280 A vulnerability was reported in Lenovo System Update that could allow a local user with… CVSS 3.1HIGH 7.8
- TI-2019-04375 System Update Vulnerability CVSS 3.1HIGH 7.5
- TI-2015-01983 Lenovo System Update (formerly ThinkVantage System Update) before 5.06.0034 does not… CVSS 2.0HIGH 8.3
- TI-2022-04172 A directory permissions management vulnerability in Lenovo System Update may allow elevation of privileges. CVSS 3.1HIGH 7.8
Sources
- CVE-2020-8342 · CVE Program
- CVE-2020-8342 · NVD
- FIRST EPSS
- GHSA-jh9f-947r-wfrf · GitHub Advisory Database · CC BY 4.0
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