CVE-2020-9142

mediumpriority · track · 36EPSS 0.007 · 54 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.72% (54th) EPSS

CVSS 6.4 · medium

Is it mine?

13 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

There is a heap base buffer overflow vulnerability in some Huawei smartphone.Successful exploitation of this vulnerability can cause heap overflow and memory overwriting when the system incorrectly processes the update file.

cvss

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

9.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 6.4–9.1

v2.06.4mediumAV:N/AC:L/Au:N/C:N/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 4.9

v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.2

v3.18.3highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-787USprimary

affected products (13)

Products and version ranges known to be affected.

n/a EMUI;Magic UI≤ Magic UI 4.0.0, Magic UI 3.1.1, Magic UI 3.1.0, Magic UI 3.0.0, Magic UI 2.1.1enisa_euvdEU
n/a EMUI;Magic UI≤ EMUI 11.0.0, EMUI 10.1.1, EMUI 10.1.0, EMUI 10.0.0, EMUI 9.1.1, EMUI 9.1.0enisa_euvdEU
huawei emui= 10.0.0nvdUScpe:2.3:o:huawei:emui:*:*:*:*:*:*:*:*
huawei emui= 10.1.0nvdUScpe:2.3:o:huawei:emui:*:*:*:*:*:*:*:*
huawei emui= 10.1.1nvdUScpe:2.3:o:huawei:emui:*:*:*:*:*:*:*:*
huawei emui= 11.0.0nvdUScpe:2.3:o:huawei:emui:*:*:*:*:*:*:*:*
huawei emui= 9.1.0nvdUScpe:2.3:o:huawei:emui:*:*:*:*:*:*:*:*
huawei emui= 9.1.1nvdUScpe:2.3:o:huawei:emui:*:*:*:*:*:*:*:*
huawei magic ui= 2.1.1nvdUScpe:2.3:o:huawei:magic_ui:*:*:*:*:*:*:*:*
huawei magic ui= 3.0.0nvdUScpe:2.3:o:huawei:magic_ui:*:*:*:*:*:*:*:*
huawei magic ui= 3.1.0nvdUScpe:2.3:o:huawei:magic_ui:*:*:*:*:*:*:*:*
huawei magic ui= 3.1.1nvdUScpe:2.3:o:huawei:magic_ui:*:*:*:*:*:*:*:*
huawei magic ui= 4.0.0nvdUScpe:2.3:o:huawei:magic_ui:*:*:*:*:*:*:*:*

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 2021-01-13modified 2026-06-17

related (16,140)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2026-111497US	—OT critical	88.0% (100th)	KEV	2026-10-22
A buffer overflow vulnerability in the Brotli decoder (c/dec/decode.c) in Google Brotli versions 1.0.3 through 1.2.0 on all platforms allows a remote unauthenticated attacker to co…
CVE-2026-86950US	—OT critical	26.2% (98th)	KEV	2026-09-28
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.11 and iPadOS 18.7.11, iOS 26.7.1 and iPadOS 26.7.1, macOS Sequoia 15.8.1,…
CVE-2026-87491US	—OT critical	3.51% (89th)	KEV	2026-09-09
Out of bounds write in V8 in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security…
CVE-2026-53362US	—OT critical	0.71% (53rd)	KEV	2026-07-04
In the Linux kernel, the following vulnerability has been resolved: ipv6: account for fraggap on the paged allocation path In __ip6_append_data(), when the paged-allocation branc…
CVE-2026-53266US	—OT critical	0.93% (61st)	KEV	2026-06-25
In the Linux kernel, the following vulnerability has been resolved: netfilter: bridge: make ebt_snat ARP rewrite writable The ebtables SNAT target keeps the Ethernet source addre…

+16135 more

references (4)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan