Is CVE-2019-20105 actively exploited?

No active exploitation of CVE-2019-20105 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2019-20105 be exploited remotely?

Yes. CVE-2019-20105 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2019-20105?

CVE-2019-20105 has a CVSS score of 4.9 (MEDIUM).

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MEDIUM

CVE-2019-20105

CWE-306Published: March 17, 2020· Updated: Jun 17, 2026

4.9

CVSS v3.1

Official Description

The EditApplinkServlet resource in the Atlassian Application Links plugin before version 5.4.20, from version 6.0.0 before version 6.0.12, from version 6.1.0 before version 6.1.2, from version 7.0.0 before version 7.0.1, and from version 7.1.0 before version 7.1.3 allows remote attackers who have obtained access to administrator's session to access the EditApplinkServlet resource without needing to re-authenticate to pass "WebSudo" in products that support "WebSudo" through an improper access control vulnerability.

NVD Source

Technical Analysis

CVE-2019-20105 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 full integrity compromise (data manipulation), with a CVSS base score of 4.9.