Verint: Unauthenticated Information Disclosure via API

Vulnerable Software: Verint Workforce Optimization (WFO)

Vulnerability: Unauthenticated Information Disclosure via API

Affected Version: 15.1 (15.1.0.37634)

Vendor Homepage: Link

CVE:  2020-23446

CVE Author: Tejas Nitin Pingulkar

Exploit Available: POC Available

About Affected Software:

Verint Workforce Optimization is a suite of unified software and services for capturing interactions and managing the performance of employees across the enterprise or in targeted areas of your business, including:

  • Back-office operations
  • Branch operations
  • Contact centers
  • Financial trading rooms

Additional Information:

Verint WFO application provides functionality to download topology reports to authenticated users, however using direct object reference/API unauthenticated attacker can obtain reports.

Exploit:

Access URL:  [IP/Domain]/wfo/rest/em-api/v1/topology/generation

Note: only most recently generated report can be obtained by attacker

Patch: Patched in version 15.2

POC:

Timeline:

2 May 2019 – Informed about vulnerability to Telligent.

3 May 2019 – Initial response.

3 May 2019 – Vulnerability reported.

3 May 2019 – Telligent forwarded details to WFO team.

7 May 2019 – followup with WFO

9 May 2019 – Telligent team confirmed that they will update soon

21 May 2019 – followup with WFO

21 May 2019 – followup with Telligent Team

21 May 2019 – email acknowledgment from Verint (WFO Team)

29 May 2019 – followup with WFO

29 May 2019 – followup with Telligent Team

29 May 2019 – Telligent Team replied back

30 May to till date – No response from both Team vulnerability was patched in 15.2 but no acknowledgment 

17 September 2019- Vulnerability Published

Verint: Unauthenticated Information Disclosure via API

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