How severe is CVE-2017-3776?

CVE-2017-3776 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2017-3776 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-3776?

CVE-2017-3776 affects Lenovo Lenovo Help. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-3776?

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-2017-3776 published?

CVE-2017-3776 was published on 2018-04-19 and last updated on 2026-06-17.

CVE-2017-3776

CVE-2017-3776 is a high-severity vulnerability in Lenovo Lenovo Help 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: 5.0
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Lenovo Lenovo Help
Published: 2018-04-19
Last modified: 2026-06-17

Description

Lenovo Help Android mobile app versions earlier than 6.1.2.0327 allowed information to be transmitted over an HTTP channel, permitting others observing the channel to potentially see this information.

Frequently asked questions

What is CVE-2017-3776?: Lenovo Help Android mobile app versions earlier than 6.1.2.0327 allowed information to be transmitted over an HTTP channel, permitting others observing the channel to potentially see this information.
How severe is CVE-2017-3776?: CVE-2017-3776 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2017-3776 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-3776?: CVE-2017-3776 affects Lenovo Lenovo Help. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-3776?: 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-2017-3776 published?: CVE-2017-3776 was published on 2018-04-19 and last updated on 2026-06-17.

References

https://support.lenovo.com/us/en/product_security/LEN-20475

Affected products (1)

cpe:2.3:a:lenovo:lenovo_help:*:*:*:*:*:android:*:*

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