CVE-2020-12251

Severity: low (CVSS 2.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-04-29 · updated 2026-06-17
Weakness: CWE-22

Description

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; from 5.5 before 5.5.02; from 5.6 before 5.6.02; from 5.7 before 5.7.04; from 5.8 before 5.8.02; from 5.9 before 5.9.00.04 — fixed in 5.4.04, 5.5.02, 5.6.02, 5.7.04, 5.8.02, 5.9.00.04

How to fix

Upgrade to a fixed version: Gigamon Gigavue 5.4.04, 5.5.02, 5.6.02, 5.7.04. Check the vendor advisory for mitigations.

References

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