Improper authentication in Huawei OSCA-550, OSCA-550A, OSCA-550AX, OSCA-550X
Priority LOW 30CWE-287Published · Updated
Key facts
- Attack vector
- Physical
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-287.
Summary
Huawei OSCA-550, OSCA-550A, OSCA-550AX, and OSCA-550X products with version 1.0.1.21(SP3) have an insufficient authentication vulnerability. The software does not require a strong credential when the user trying to do certain operations. Successful exploit could allow an attacker to pass the authentication and do certain operations by a weak credential.
Why it matters now
EPSS 0.00245 15th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
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 | OSCA-550, OSCA-550A, OSCA-550AX, OSCA-550X | 1.0.1.21(SP3) | — | No fix listed | CNA |
- OSCA-550, OSCA-550A, OSCA-550AX, OSCA-550X VendorHuawei Affected 1.0.1.21(SP3) Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:huawei:osca-550_firmware:1.0.1.21\(sp3\):*:*:*:*:*:*:* | 1.0.1.21(sp3) | Vulnerable | Huawei |
| cpe:2.3:h:huawei:osca-550:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Huawei |
| cpe:2.3:o:huawei:osca-550a_firmware:1.0.1.21\(sp3\):*:*:*:*:*:*:* | 1.0.1.21(sp3) | Vulnerable | Huawei |
| cpe:2.3:h:huawei:osca-550a:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Huawei |
| cpe:2.3:o:huawei:osca-550ax_firmware:1.0.1.21\(sp3\):*:*:*:*:*:*:* | 1.0.1.21(sp3) | Vulnerable | Huawei |
| cpe:2.3:h:huawei:osca-550ax:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Huawei |
| cpe:2.3:o:huawei:osca-550x_firmware:1.0.1.21\(sp3\):*:*:*:*:*:*:* | 1.0.1.21(sp3) | Vulnerable | Huawei |
| cpe:2.3:h:huawei:osca-550x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Huawei |
- cpe:2.3:o:huawei:osca-550_firmware:1.0.1.21\(sp3\):*:*:*:*:*:*:* Versions 1.0.1.21(sp3) Vulnerable ·Huawei
- cpe:2.3:h:huawei:osca-550:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Huawei
- cpe:2.3:o:huawei:osca-550a_firmware:1.0.1.21\(sp3\):*:*:*:*:*:*:* Versions 1.0.1.21(sp3) Vulnerable ·Huawei
- cpe:2.3:h:huawei:osca-550a:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Huawei
- cpe:2.3:o:huawei:osca-550ax_firmware:1.0.1.21\(sp3\):*:*:*:*:*:*:* Versions 1.0.1.21(sp3) Vulnerable ·Huawei
- cpe:2.3:h:huawei:osca-550ax:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Huawei
- cpe:2.3:o:huawei:osca-550x_firmware:1.0.1.21\(sp3\):*:*:*:*:*:*:* Versions 1.0.1.21(sp3) Vulnerable ·Huawei
- cpe:2.3:h:huawei:osca-550x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Huawei
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-1789
- 2026-10-03 Alias added: GHSA-ph9c-5f5m-xhgq
References
More Huawei Osca-550 Firmware vulnerabilities
- TI-2020-01780 Improper authentication in Huawei HEGE-560 CVSS 3.1MEDIUM 6.8
- TI-2020-01781 Huawei HEGE-560 version 1.0.1.20(SP2), OSCA-550 version 1.0.0.71(SP1), OSCA-550A version… CVSS 3.1MEDIUM 6.8
- TI-2020-01787 Huawei HEGE-570 version 1.0.1.22(SP3); and HEGE-560, OSCA-550, OSCA-550A, OSCA-550AX, and… CVSS 3.1MEDIUM 6.1
- TI-2020-01740 There is an insufficient integrity validation vulnerability in several products. CVSS 3.1MEDIUM 4.6
- TI-2020-01807 There is an improper integrity checking vulnerability on some huawei products. CVSS 3.1LOW 3.9
Sources
- CVE-2020-1789 · CVE Program
- CVE-2020-1789 · NVD
- FIRST EPSS
- GHSA-ph9c-5f5m-xhgq · GitHub Advisory Database · CC BY 4.0
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