Is CVE-2019-8443 actively exploited?

No active exploitation of CVE-2019-8443 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2019-8443 be exploited remotely?

Yes. CVE-2019-8443 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2019-8443?

CVE-2019-8443 has a CVSS score of 8.1 (HIGH).

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HIGH

CVE-2019-8443

CWE-287Published: May 22, 2019· Updated: Jun 17, 2026

8.1

CVSS v3.1

Official Description

The ViewUpgrades resource in Jira before version 7.13.4, from version 8.0.0 before version 8.0.4, and from version 8.1.0 before version 8.1.1 allows remote attackers who have obtained access to administrator's session to access the ViewUpgrades administrative resource without needing to re-authenticate to pass "WebSudo" through an improper access control vulnerability.

NVD Source

Technical Analysis

CVE-2019-8443 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.1.

From a weakness classification perspective (CWE-287): Authentication bypass vulnerabilities allow attackers to access protected resources without valid credentials.