CVE-2020-4079
CWE-200Published: January 12, 2021· Updated: Jun 17, 2026
Official Description
Combodo iTop is a web based IT Service Management tool. In iTop before versions 2.7.2 and 2.8.0, when the ajax endpoint for the "excel export" portal functionality is called directly it allows getting data without scope filtering. This allows a user to access data they which they should not have access to. This is fixed in versions 2.7.2 and 3.0.0.
Technical Analysis
CVE-2020-4079 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires low 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), with a CVSS base score of 7.7.
The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.
From a weakness classification perspective (CWE-200): Information exposure vulnerabilities leak sensitive data to unauthorized actors.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (CWE-200)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-4079 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts