CVE intelligence and bounded remediation

CVE-2020-1789 — Huawei OSCA-550, OSCA-550A, OSCA-550AX, and OSCA-550X products with version 1.0.1.21(SP3) have an insufficient authentication vulnerability

Medium CVSS 6.8

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.

Severity
Medium
CVSS
6.8 (3.1)
Published
2020-02-18
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-287

Affected products

  • huawei / osca-550_firmware / 1.0.1.21(sp3)
  • huawei / osca-550a_firmware / 1.0.1.21(sp3)
  • huawei / osca-550ax_firmware / 1.0.1.21(sp3)
  • huawei / osca-550x_firmware / 1.0.1.21(sp3)

Matched remediation archetype

Authentication bypass and missing authentication

This catalog composition supplies bounded fallback guidance. Explicitly reviewed curated workflows load with the complete record below.

Check exposure

  • Map every affected endpoint and protocol path, including alternate ports, legacy routes, recovery flows, service accounts, and machine-to-machine access.
  • Confirm which deployments enable the affected authentication mode and whether the interface is reachable from untrusted networks.
  • Review session, token, credential, and proxy trust configuration without attempting account takeover.

Remediate safely

  • Apply the supported fix and centralize fail-closed authentication before protected request handling.
  • Remove default or embedded credentials, rotate affected secrets and sessions, and bind authentication decisions to the intended audience and channel.
  • Add negative tests for alternate routes, malformed or absent credentials, recovery flows, and proxy-derived identity.

Authoritative sources

Complete CVE record and remediation plan

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