CVE-2019-5220

Severity: medium (CVSS 4.6 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-07-10 · updated 2026-06-17
Weakness: CWE-863

Description

There is a Factory Reset Protection (FRP) bypass vulnerability on several smartphones. The system does not sufficiently verify the permission, an attacker could do a certain operation on certain step of setup wizard. Successful exploit could allow the attacker bypass the FRP protection. Affected products: Mate 20 X, versions earlier than Ever-AL00B 9.0.0.200(C00E200R2P1); Mate 20, versions earlier than Hima-AL00B/Hima-TL00B 9.0.0.200(C00E200R2P1); Honor Magic 2, versions earlier than Tony-AL00B/Tony-TL00B 9.0.0.182(C00E180R2P2).

Affected products

Honor Magic 2: before tony-al00b\/tony-tl00b_9.0.0.182\(c00e180r2p2\) — fixed in tony-al00b\/tony-tl00b_9.0.0.182\(c00e180r2p2\)
HUAWEI Mate 20: before hima-al00b\/hima-tl00b_9.0.0.200\(c00e200r2p1\) — fixed in hima-al00b\/hima-tl00b_9.0.0.200\(c00e200r2p1\)
Huawei Mate 20 X: before ever-al00b_9.0.0.200\(c00e200r2p1\) — fixed in ever-al00b_9.0.0.200\(c00e200r2p1\)

How to fix

Upgrade to a fixed version: Honor Magic 2 tony-al00b\/tony-tl00b_9.0.0.182\(c00e180r2p2\); HUAWEI Mate 20 hima-al00b\/hima-tl00b_9.0.0.200\(c00e200r2p1\); Huawei Mate 20 X ever-al00b_9.0.0.200\(c00e200r2p1\). Check the vendor advisory for mitigations.

References

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