How severe is CVE-2020-9239?

CVE-2020-9239 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-9239 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-9239?

CVE-2020-9239 primarily affects Huawei Bla-a09 Firmware. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-9239?

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

When was CVE-2020-9239 published?

CVE-2020-9239 was published on 2020-09-11 and last updated on 2026-06-17.

CVE-2020-9239

CVE-2020-9239 is a medium-severity vulnerability in Huawei Bla-a09 Firmware with a CVSS 3.x base score of 5.5. 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Huawei Bla-a09 Firmware
Published: 2020-09-11
Last modified: 2026-06-17

Description

Huawei smartphones BLA-A09 versions 8.0.0.123(C212),versions earlier than 8.0.0.123(C567),versions earlier than 8.0.0.123(C797);BLA-TL00B versions earlier than 8.1.0.326(C01);Berkeley-L09 versions earlier than 8.0.0.163(C10),versions earlier than 8.0.0.163(C432),Versions earlier than 8.0.0.163(C636),Versions earlier than 8.0.0.172(C10);Duke-L09 versions Duke-L09C10B187, versions Duke-L09C432B189, versions Duke-L09C636B189;HUAWEI P20 versions earlier than 8.0.1.16(C00);HUAWEI P20 Pro versions earlier than 8.1.0.152(C00);Jimmy-AL00A versions earlier than Jimmy-AL00AC00B172;LON-L29D versions LON-L29DC721B192;NEO-AL00D versions earlier than 8.1.0.172(C786);Stanford-AL00 versions Stanford-AL00C00B123;Toronto-AL00 versions earlier than Toronto-AL00AC00B225;Toronto-AL00A versions earlier than Toronto-AL00AC00B225;Toronto-TL10 versions earlier than Toronto-TL10C01B225 have an information vulnerability. A module has a design error that is lack of control of input. Attackers can exploit this vulnerab

Frequently asked questions

What is CVE-2020-9239?: Huawei smartphones BLA-A09 versions 8.0.0.123(C212),versions earlier than 8.0.0.123(C567),versions earlier than 8.0.0.123(C797);BLA-TL00B versions earlier than 8.1.0.326(C01);Berkeley-L09 versions earlier than 8.0.0.163(C10),versions earlier than 8.0.0.163(C432),Versions earlier than 8.0.0.163(C636),Versions earlier than 8.0.0.172(C10);Duke-L09 versions Duke-L09C10B187, versions Duke-L09C432B189, versions Duke-L09C636B189;HUAWEI P20 versions earlier than 8.0.1.16(C00);HUAWEI P20 Pro versions earlier than 8.1.0.152(C00);Jimmy-AL00A versions earlier than Jimmy-AL00AC00B172;LON-L29D versions LON-L29DC721B192;NEO-AL00D versions earlier than 8.1.0.172(C786);Stanford-AL00 versions Stanford-AL00C00B123;Toronto-AL00 versions earlier than Toronto-AL00AC00B225;Toronto-AL00A versions earlier than Toronto-AL00AC00B225;Toronto-TL10 versions earlier than Toronto-TL10C01B225 have an information vulnerability. A module has a design error that is lack of control of input. Attackers can exploit this vulnerab
How severe is CVE-2020-9239?: CVE-2020-9239 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-9239 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-9239?: CVE-2020-9239 primarily affects Huawei Bla-a09 Firmware. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-9239?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-9239 published?: CVE-2020-9239 was published on 2020-09-11 and last updated on 2026-06-17.

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200909-04-smartphone-en

Affected products (16)

cpe:2.3:o:huawei:bla-a09_firmware:8.0.0.123\(c212\):*:*:*:*:*:*:*
cpe:2.3:o:huawei:bla-a09_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:huawei:bla-tl00b_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:huawei:berkeley-l09_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:huawei:duke-l09_firmware:duke-l09c10b187:*:*:*:*:*:*:*
cpe:2.3:o:huawei:duke-l09_firmware:duke-l09c432b189:*:*:*:*:*:*:*
cpe:2.3:o:huawei:duke-l09_firmware:duke-l09c636b189:*:*:*:*:*:*:*
cpe:2.3:o:huawei:p20_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:huawei:p20_pro_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:huawei:jimmy-al00a_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:huawei:lon-l29d_firmware:lon-l29dc721b192:*:*:*:*:*:*:*
cpe:2.3:o:huawei:neo-al00d_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:huawei:stanford-al00_firmware:stanford-al00c00b123:*:*:*:*:*:*:*
cpe:2.3:o:huawei:toronto-al00_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:huawei:toronto-al00a_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:huawei:toronto-tl10_firmware:*:*:*:*:*:*:*:*

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