CVE-2020-12251: Gigamon Gigavue

Low severity, CVSS 2.2. EPSS: 1.2% chance of exploitation in the next 30 days.

An issue was discovered in Gigamon GigaVUE 5.5.01.11. The upload functionality allows an authenticated user to change the filename value (in the POST method) from the original filename to achieve directory traversal via a ../ sequence and, for example, obtain a complete directory listing of the machine.

Affected products

• Gigamon Gigavue: from 5.4, before 5.4.04 (fixed in 5.4.04); from 5.5, before 5.5.02 (fixed in 5.5.02); from 5.6, before 5.6.02 (fixed in 5.6.02); from 5.7, before 5.7.04 (fixed in 5.7.04); from 5.8, before 5.8.02 (fixed in 5.8.02); from 5.9, before 5.9.00.04 (fixed in 5.9.00.04)

Published 2020-04-29. Last modified 2026-06-17.