CVE intelligence and bounded remediation

CVE-2023-31292 — Sesami Cash Point & Transport Optimizer security vulnerability

Medium CVSS 5.5

An issue was discovered in Sesami Cash Point & Transport Optimizer (CPTO) 6.3.8.6 (#718), allows local attackers to obtain sensitive information and bypass authentication via "Back Button Refresh" attack.

Severity
Medium
CVSS
5.5 (3.1)
Published
2023-12-29
CISA KEV
Not currently listed
Ecosystem
software/application
Weaknesses
CWE-287

Affected products

  • sesami / cash_point_&_transport_optimizer / 6.3.8.6.718

Matched remediation archetype

Authentication bypass and missing authentication

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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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