How severe is CVE-2020-1882?

CVE-2020-1882 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2020-1882 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-1882?

CVE-2020-1882 primarily affects Huawei Mate 20 Rs Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-1882?

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

When was CVE-2020-1882 published?

CVE-2020-1882 was published on 2020-02-18 and last updated on 2026-06-17.

CVE-2020-1882

CVE-2020-1882 is a medium-severity vulnerability in Huawei Mate 20 Rs Firmware with a CVSS 3.x base score of 4.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 4.6)
CVSS v2: 2.1
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Huawei Mate 20 Rs Firmware
Published: 2020-02-18
Last modified: 2026-06-17

Description

Huawei mobile phones Ever-L29B versions earlier than 10.0.0.180(C185E6R3P3), earlier than 10.0.0.180(C432E6R1P7), earlier than 10.0.0.180(C636E5R2P3); HUAWEI Mate 20 RS versions earlier than 10.0.0.175(C786E70R3P8); HUAWEI Mate 20 X versions earlier than 10.0.0.176(C00E70R2P8); and Honor Magic2 versions earlier than 10.0.0.175(C00E59R2P11) have an improper authorization vulnerability. Due to improper authorization of some function, attackers can bypass the authorization to perform some operations.

Frequently asked questions

What is CVE-2020-1882?: Huawei mobile phones Ever-L29B versions earlier than 10.0.0.180(C185E6R3P3), earlier than 10.0.0.180(C432E6R1P7), earlier than 10.0.0.180(C636E5R2P3); HUAWEI Mate 20 RS versions earlier than 10.0.0.175(C786E70R3P8); HUAWEI Mate 20 X versions earlier than 10.0.0.176(C00E70R2P8); and Honor Magic2 versions earlier than 10.0.0.175(C00E59R2P11) have an improper authorization vulnerability. Due to improper authorization of some function, attackers can bypass the authorization to perform some operations.
How severe is CVE-2020-1882?: CVE-2020-1882 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2020-1882 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-1882?: CVE-2020-1882 primarily affects Huawei Mate 20 Rs Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-1882?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-1882 published?: CVE-2020-1882 was published on 2020-02-18 and last updated on 2026-06-17.

References

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200122-01-phone-en

Affected products (4)

cpe:2.3:o:huawei:mate_20_rs_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:huawei:mate_20_x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:huawei:honor_magic2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:huawei:ever-l29b_firmware:*:*:*:*:*:*:*:*

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