Medium [CVE-2026-20175] Cisco Finesse Remote File Inclusion Vulnerability
This medium-severity Cisco advisory covers CVE-2026-20175 affecting Finesse.
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Summary
A vulnerability in Cisco Finesse could allow an unauthenticated, remote attacker to load arbitrary files from remote locations into an active user session on an affected device, possibly leading to browser-based attacks.
This vulnerability is due to insufficient validation of user-supplied input for HTTP requests that are sent to an affected device. An attacker who has knowledge of the address of the affected device could exploit this vulnerability by persuading a user to click a crafted link that contains the affected device address.
A successful exploit could allow the attacker to conduct browser-based attacks and execute arbitrary script code in the context of the affected interface or access sensitive information on the affected device.
Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
- Scope: At the time of publication, this vulnerability affected Cisco Finesse, regardless of device configuration.
- Earlier than 15.0 — Migrate to a fixed release
- Release 15.0 (first fixed: 15.0(1)SU1)
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- 15.0(1)SU1
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- Upgrade to the first fixed release for your train per the Fixed Releases table in this advisory.
- Earlier than 15.0: migrate to a fixed release.
- Release 15.0: upgrade to 15.0(1)SU1.
- There are no workarounds that address this vulnerability.
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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