HOMEVULNERABILITIESCVE-2019-20405
MEDIUM

CVE-2019-20405

CWE-352Published: February 6, 2020· Updated: Jun 17, 2026

4.3
CVSS v3.1

Official Description

The JMX monitoring flag in Atlassian Jira Server and Data Center before version 8.6.0 allows remote attackers to turn the JMX monitoring flag off or on via a Cross-site request forgery (CSRF) vulnerability.

NVD Source

Technical Analysis

CVE-2019-20405 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityLow
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Affected Vendors & Products

Atlassian2 product(s)
jira data centerjira server
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (2)

https://jira.atlassian.com/browse/JRASERVER-70570Issue Tracking · Vendor Advisory
https://jira.atlassian.com/browse/JRASERVER-70570Issue Tracking · Vendor Advisory

Quick Facts

CVE IDCVE-2019-20405
CVSS Score4.3 / 10
SeverityMEDIUM
WeaknessCWE-352
CISA KEVNo
Affected1 vendor(s)
PublishedFeb 6, 2020

Related CVEs (CWE-352)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2019-20405 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.