How severe is CVE-2017-3743?

CVE-2017-3743 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-3743 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-3743?

CVE-2017-3743 primarily affects Lenovo Advanced Settings Utility. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-3743?

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-2017-3743 published?

CVE-2017-3743 was published on 2017-06-20 and last updated on 2026-06-17.

CVE-2017-3743

CVE-2017-3743 is a high-severity vulnerability in Lenovo Advanced Settings Utility with a CVSS 3.x base score of 7.5. 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-200.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 3.5
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Lenovo Advanced Settings Utility
Published: 2017-06-20
Last modified: 2026-06-17

Description

If multiple users are concurrently logged into a single system where one user is sending a command via the Lenovo ToolsCenter Advanced Settings Utility (ASU), UpdateXpress System Pack Installer (UXSPI) or Dynamic System Analysis (DSA) to a second machine, the other users may be able to see the user ID and clear text password that were used to access the second machine during the time the command is processing.

Frequently asked questions

What is CVE-2017-3743?: If multiple users are concurrently logged into a single system where one user is sending a command via the Lenovo ToolsCenter Advanced Settings Utility (ASU), UpdateXpress System Pack Installer (UXSPI) or Dynamic System Analysis (DSA) to a second machine, the other users may be able to see the user ID and clear text password that were used to access the second machine during the time the command is processing.
How severe is CVE-2017-3743?: CVE-2017-3743 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-3743 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-3743?: CVE-2017-3743 primarily affects Lenovo Advanced Settings Utility. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-3743?: 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-2017-3743 published?: CVE-2017-3743 was published on 2017-06-20 and last updated on 2026-06-17.

References

https://support.lenovo.com/us/en/product_security/LEN-10810

Affected products (3)

cpe:2.3:a:lenovo:advanced_settings_utility:*:*:*:*:*:*:*:*
cpe:2.3:a:lenovo:toolscenter_dynamic_system_analysis:*:*:*:*:*:*:*:*
cpe:2.3:a:lenovo:updatexpress_system_pack_installer:*:*:*:*:*:*:*:*

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