CVE-2020-29026
CWE-22Published: February 15, 2021· Updated: Jun 17, 2026
Official Description
A directory traversal vulnerability exists in the file upload function of the GateManager that allows an authenticated attacker with administrative permissions to read and write arbitrary files in the Linux file system. This issue affects: GateManager all versions prior to 9.2c.
Technical Analysis
CVE-2020-29026 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), with a CVSS base score of 6.5.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (CWE-22)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-29026 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts