Arbitrary file upload in Atlassian Jira
CVE-2019-20897
The avatar upload feature in affected versions of Atlassian Jira Server and Data Center allows remote attackers to achieve Denial of Service via a crafted PNG file. The affected versions are before version 8.5.4, from version 8.6.0 before…
Vulnerability class: Unrestricted File Upload
EPSS: 0.019 (76.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Atlassian Jira
- Atlassian Jira_data_center
- Atlassian Jira Server — versions unspecified, 8.6.0, unspecified
- Atlassian Jira_server
- Atlassian Jira_software_data_center
Weakness classification (CWE)
References
- security@atlassian.com (Patch, x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-20897?
- CVE-2019-20897 is a medium-severity vulnerability in Atlassian Jira, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 6.5/10. Published 2020-07-13.
- How severe is CVE-2019-20897?
- Medium severity. CVSS v3 base score is 6.5 out of 10.