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CVE-2019-5283· NVD / CVE Program· CNA huawei

There is Factory Reset Protection (FRP) bypass security vulnerability in P20 Huawei smart phones versions earlier than Emily-AL00A 9.0.0.167

There is Factory Reset Protection (FRP) bypass security vulnerability in P20 Huawei smart phones versions earlier than Emily-AL00A 9.0.0.167 (C00E81R1P21T8). When re-configuring the mobile phone using the factory reset protection (FRP) function, an attacker can login the Talkback mode and can perform some operations to access the setting page. As a result, the FRP function is bypassed.

MediumCVSS 4.6 · v3.0—No exploit No fix recorded
Published
Jun 4, 2019
Updated
Jun 16, 2026
EPSS
0.2% · 13th percentile
CWE
—
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JSON

Action score

18

Monitor

Low priority for now.

CVSS
18 / 40 · 4.6 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

Affected systems

VendorProduct
huaweip20 firmware
huaweip20

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • huawei p20 firmwarebefore emily-al00a_9.0.0.167\(c00e81r1p21t8\)

Versions reported by the vendor

Affected version ranges reported by the assigning authority (huawei). Independent of NVD's CPE analysis and usually ahead of it.

  • Huawei P20

    • Versions earlier than Emily-AL00A 9.0.0.167(C00E81R1P21T8)affected

Same product

huawei: all records

Other highest-scoring records for the same primary product.

  • CVE-2018-7987There is an out-of-bounds write vulnerability on Huawei P20 smartphones with versions before 8.1.0.171(C00).
    23Monitor
  • CVE-2019-5212There is an improper access control vulnerability in Huawei Share.
    22Monitor
  • CVE-2019-5211The Huawei Share function of P20 phones with versions earlier than Emily-L29C 9.1.0.311 has an improper file management vulnerability.
    22Monitor
  • CVE-2019-5306There is a Factory Reset Protection (FRP) bypass security vulnerability in P20 Huawei smart phones versions before Emily-AL00A 9.0.0.167(C00
    18Monitor
  • CVE-2020-9073Huawei P20 smartphones with versions earlier than 10.0.0.156(C00E156R1P4) have an improper authentication vulnerability.
    9Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

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Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Physical access to the device is required.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
high · data or configuration can be modified
Availability
none
Attack vector
Physical
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
High
Availability impact
None

Weakness class (CWE)

—

CVSS vector

CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Noroxi analysis

No Noroxi analysis for this record yet

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Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records