CVE-2020-9257

mediumpriority · track · 35EPSS 0.008 · 55 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.75% (55th) EPSS

CVSS 6.8 · medium

Is it mine?

6 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

HUAWEI P30 Pro smartphones with versions earlier than 10.1.0.123(C432E19R2P5patch02), versions earlier than 10.1.0.126(C10E11R5P1), and versions earlier than 10.1.0.160(C00E160R2P8) have a buffer overflow vulnerability. The software access data past the end, or before the beginning, of the intended buffer when handling certain operations of certificate, the attacker should trick the user into installing a malicious application, successful exploit may cause code execution.

cvss

Technical severity, 0–10. One row per scoring source.

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.8–8.8

v2.06.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 8.6 · impact 6.4

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.18.1highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-120USprimary

affected products (6)

Products and version ranges known to be affected.

Huawei HUAWEI P30 Pro≤ Versions earlier than 10.1.0.126(C10E11R5P1)enisa_euvdEU
Huawei HUAWEI P30 Pro≤ Versions earlier than 10.1.0.123(C432E19R2P5patch02)enisa_euvdEU
Huawei HUAWEI P30 Pro≤ Versions earlier than 10.1.0.160(C00E160R2P8)enisa_euvdEU
huawei p30 pro firmware< 10.1.0.123\(c432e19r2p5patch02\)nvdUScpe:2.3:o:huawei:p30_pro_firmware:*:*:*:*:*:*:*:*
huawei p30 pro firmware< 10.1.0.126\(c10e11r5p1\)nvdUScpe:2.3:o:huawei:p30_pro_firmware:*:*:*:*:*:*:*:*
huawei p30 pro firmware< 10.1.0.160\(c00e160r2p8\)nvdUScpe:2.3:o:huawei:p30_pro_firmware:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2020-07-17modified 2026-06-17

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+5664 more

references (6)

External citations — patches, advisories, analysis.

scry

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