Improper authentication in Huawei Honor V20
Priority LOW 24CWE-287Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-287.
Summary
Huawei smartphones Honor V20 with versions earlier than 10.0.0.179(C636E3R4P3),versions earlier than 10.0.0.180(C185E3R3P3),versions earlier than 10.0.0.180(C432E10R3P4) have an information disclosure vulnerability. The device does not sufficiently validate the identity of smart wearable device in certain specific scenario, the attacker need to gain certain information in the victim's smartphone to launch the attack, successful exploit could cause information disclosure.
Why it matters now
EPSS 0.00322 25th percentileScored 2026-11-07
Fix Fixed Honor V20 (Huawei): 10.0.0.179(C636E3R4P3), 10.0.0.180(C185E3R3P3), 10.0.0.180(C432E10R3P4)
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Huawei | Honor V20 | before 10.0.0.179(C636E3R4P3); before 10.0.0.180(C185E3R3P3); before 10.0.0.180(C432E10R3P4) | 10.0.0.179(C636E3R4P3), 10.0.0.180(C185E3R3P3), 10.0.0.180(C432E10R3P4) | Patch available | CNA |
- Honor V20 VendorHuawei Affected before 10.0.0.179(C636E3R4P3); before 10.0.0.180(C185E3R3P3); before 10.0.0.180(C432E10R3P4) Fixed in 10.0.0.179(C636E3R4P3), 10.0.0.180(C185E3R3P3), 10.0.0.180(C432E10R3P4) Patch available CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:huawei:honor_v20_firmware:*:*:*:*:*:*:*:* | before 10.0.0.179\(c636e3r4p3\) | Vulnerable | Huawei |
| cpe:2.3:h:huawei:honor_v20:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Huawei |
| cpe:2.3:o:huawei:honor_v20_firmware:*:*:*:*:*:*:*:* | before 10.0.0.180\(c185e3r3p3\); before 10.0.0.180\(c432e10r3p4\) | Vulnerable | Huawei |
- cpe:2.3:o:huawei:honor_v20_firmware:*:*:*:*:*:*:*:* Versions before 10.0.0.179\(c636e3r4p3\) Vulnerable ·Huawei
- cpe:2.3:h:huawei:honor_v20:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Huawei
- cpe:2.3:o:huawei:honor_v20_firmware:*:*:*:*:*:*:*:* Versions before 10.0.0.180\(c185e3r3p3\); before 10.0.0.180\(c432e10r3p4\) Vulnerable ·Huawei
Remediation
- Fix · CNA Honor V20 (Huawei) Fixed in 10.0.0.179(C636E3R4P3), 10.0.0.180(C185E3R3P3), 10.0.0.180(C432E10R3P4)
Timeline
- 2026-10-02 Threatist record created from CVE-2020-1803
- 2026-10-03 Alias added: GHSA-784w-qwm8-7p5h
References
More Huawei Honor V20 Firmware vulnerabilities
- TI-2019-03663 Race condition in P30, P30 Pro, Honor V20 CVSS 3.1HIGH 7.8
- TI-2020-07385 HUAWEI Mate 20 versions Versions earlier than 10.1.0.160(C00E160R3P8);HUAWEI Mate 20 Pro… CVSS 3.1MEDIUM 6.8
- TI-2019-03732 Improper input validation in Huawei ALP-AL00B CVSS 3.1MEDIUM 5.3
- TI-2019-03731 Improper input validation in Huawei Sydney-L21 CVSS 3.1MEDIUM 5.3
- TI-2019-03730 Huawei smart phones Honor V20 with the versions before 9.0.1.161(C00E161R2P2) have an… CVSS 3.0LOW 3.3
Sources
- CVE-2020-1803 · CVE Program
- CVE-2020-1803 · NVD
- FIRST EPSS
- GHSA-784w-qwm8-7p5h · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences