MEDIUM
CVE-2019-20402
NVD-CWE-noinfoPublished: February 6, 2020· Updated: Jun 17, 2026
4.9
CVSS v3.1
Official Description
Support zip files in Atlassian Jira Server and Data Center before version 8.6.0 could be downloaded by a System Administrator user without requiring the user to re-enter their password via an improper authorization vulnerability.
Technical Analysis
CVE-2019-20402 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.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.High
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
Affected Vendors & Products
Atlassian2 product(s)
jirajira software data center
Source: NVD CPE · 2 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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-70564Issue Tracking · Vendor Advisory
→
https://jira.atlassian.com/browse/JRASERVER-70564Issue Tracking · Vendor Advisory
Quick Facts
CVE IDCVE-2019-20402
CVSS Score4.9 / 10
SeverityMEDIUM
WeaknessNVD-CWE-noinfo
CISA KEVNo
Affected1 vendor(s)
PublishedFeb 6, 2020
Related CVEs (NVD-CWE-noinfo)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2019-20402 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.