CVE intelligence and bounded remediation

CVE-2020-1825 — FusionAccess with versions earlier than 6.5.1.SPC002 have a Denial of Service (DoS) vulnerability

Medium CVSS 6.5

FusionAccess with versions earlier than 6.5.1.SPC002 have a Denial of Service (DoS) vulnerability. Due to insufficient verification on specific input, attackers can exploit this vulnerability by sending constructed messages to the affected device through another device on the same network. Successful exploit could cause affected devices to be abnormal.

Severity
Medium
CVSS
6.5 (3.1)
Published
2020-06-15
CISA KEV
Not currently listed
Ecosystem
software/application
Weaknesses
CWE-20

Affected products

  • huawei / fusionaccess

Matched remediation archetype

Resource exhaustion and denial of service

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

Check exposure

  • Identify attacker-influenced work factors including input size, nesting, compression, fan-out, regex cost, allocation, recursion, retries, and connection lifetime.
  • Map per-request and shared CPU, memory, disk, descriptor, thread, queue, and downstream-service limits.
  • Determine whether authentication, tenancy, quotas, and rate controls apply before expensive processing begins.

Remediate safely

  • Bound input size, nesting, expansion, work, concurrency, queue depth, retries, and execution time before resource-intensive processing.
  • Release resources on every success, error, cancellation, and timeout path and use backpressure instead of unbounded buffering.
  • Update affected components and add small deterministic tests that assert resource ceilings rather than exhausting a host.

Authoritative sources

Complete CVE record and remediation plan

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