CVE intelligence and bounded remediation

CVE-2020-27523 — Mersive Solstice Pod Firmware security vulnerability

High CVSS 7.5

Solstice-Pod up to 5.0.2 WEBRTC server mishandles the format-string specifiers %x; %p; %c and %s in the screen_key, display_name, browser_name, and operation_system parameter during the authentication process. This may crash the server and force Solstice-Pod to reboot, which leads to a denial of service.

Severity
High
CVSS
7.5 (3.1)
Published
2020-11-11
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-134

Affected products

  • mersive / solstice_pod_firmware

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

The detailed catalog view below loads this exact record, its source evidence, and the full seven-phase agentic change plan.