CVE-2020-27645
CVE-2020-27645 is a high-severity vulnerability in 1e Client with a CVSS 3.x base score of 8.8. 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-428.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 6.5
- EPSS exploit prediction: 1% (65th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-428
- Affected product: 1e Client
- Published:
- Last modified:
Description
The Inventory module of the 1E Client 5.0.0.745 doesn't handle an unquoted path when executing %PROGRAMFILES%\1E\Client\Tachyon.Performance.Metrics.exe. This may allow remote authenticated users and local users to gain elevated privileges.
Frequently asked questions
- What is CVE-2020-27645?
- The Inventory module of the 1E Client 5.0.0.745 doesn't handle an unquoted path when executing %PROGRAMFILES%\1E\Client\Tachyon.Performance.Metrics.exe. This may allow remote authenticated users and local users to gain elevated privileges.
- How severe is CVE-2020-27645?
- CVE-2020-27645 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-27645 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-27645?
- CVE-2020-27645 affects 1e Client. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-27645?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2020-27645 published?
- CVE-2020-27645 was published on 2020-12-29 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:1e:client:5.0.0.745:*:*:*:*:windows:*:*
More vulnerabilities in 1e Client
- CVE-2023-45160 — High (CVSS 8.8): In the affected version of the 1E Client, an ordinary user could subvert downloaded instruction resource files, e.g.,…
- CVE-2020-27644 — High (CVSS 8.8): The Inventory module of the 1E Client 5.0.0.745 doesn't handle an unquoted path when executing…
- CVE-2020-16268 — High (CVSS 8.8): The MSI installer in 1E Client 4.1.0.267 and 5.0.0.745 allows remote authenticated users and local users to gain…
- CVE-2023-45159 — High (CVSS 8.4): 1E Client installer can perform arbitrary file deletion on protected files. A non-privileged user could provide a…
- CVE-2020-27643 — Medium (CVSS 6.5): The %PROGRAMDATA%\1E\Client directory in 1E Client 5.0.0.745 and 4.1.0.267 allows remote authenticated users and local…
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