MEDIUM
CVE-2019-20101
NVD-CWE-OtherPublished: September 14, 2021· Updated: Jun 17, 2026
5.3
CVSS v3.1
Official Description
Affected versions of Atlassian Jira Server and Data Center allow anonymous remote attackers to view whitelist rules via a Broken Access Control vulnerability in the /rest/whitelist/<version>/check endpoint. The affected versions are before version 8.13.3, and from version 8.14.0 before 8.14.1.
Technical Analysis
CVE-2019-20101 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.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected Vendors & Products
Atlassian2 product(s)
data centerjira
Source: NVD CPE · 4 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 (4)
→
https://ecosystem.atlassian.net/browse/AW-20Issue Tracking · Vendor Advisory
→
https://jira.atlassian.com/browse/JRASERVER-72618Vendor Advisory
→
https://ecosystem.atlassian.net/browse/AW-20Issue Tracking · Vendor Advisory
→
https://jira.atlassian.com/browse/JRASERVER-72618Vendor Advisory
Quick Facts
CVE IDCVE-2019-20101
CVSS Score5.3 / 10
SeverityMEDIUM
WeaknessNVD-CWE-Other
CISA KEVNo
Affected1 vendor(s)
PublishedSep 14, 2021
Related CVEs (NVD-CWE-Other)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2019-20101 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.