How severe is CVE-2021-3898?

CVE-2021-3898 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2021-3898 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-3898?

CVE-2021-3898 primarily affects Motorola Device Help. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-3898?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-3898 published?

CVE-2021-3898 was published on 2022-04-22 and last updated on 2026-06-17.

CVE-2021-3898

CVE-2021-3898 is a medium-severity vulnerability in Motorola Device Help with a CVSS 3.x base score of 6.8. 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-295.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
CVSS v2: 4.3
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-295
Affected product: Motorola Device Help
Published: 2022-04-22
Last modified: 2026-06-17

Description

Versions of Motorola Ready For and Motorola Device Help Android applications prior to 2021-04-08 do not properly verify the server certificate which could lead to the communication channel being accessible by an attacker.

Frequently asked questions

What is CVE-2021-3898?: Versions of Motorola Ready For and Motorola Device Help Android applications prior to 2021-04-08 do not properly verify the server certificate which could lead to the communication channel being accessible by an attacker.
How severe is CVE-2021-3898?: CVE-2021-3898 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2021-3898 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-3898?: CVE-2021-3898 primarily affects Motorola Device Help. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-3898?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-3898 published?: CVE-2021-3898 was published on 2022-04-22 and last updated on 2026-06-17.

References

https://support.lenovo.com/us/en/product_security/LEN-58311

Affected products (2)

cpe:2.3:a:motorola:device_help:*:*:*:*:*:android:*:*
cpe:2.3:a:motorola:ready_for:*:*:*:*:*:android:*:*

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