Medium severity · published Jul 13, 2020
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
6.5
CVSS
1.9%
EPSS
No
On KEV
Description
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 8.6.2, and from version 8.7.0 before 8.7.1.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.9% · higher than 79% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JI
Jira · Atlassian
before 8.5.4 · source: NVD
JD
Jira Data Center · Atlassian
8.6.0 before 8.6.2; 8.7.0 before 8.7.1 · source: NVD
JS
Jira Software Data Center · Atlassian
before 8.5.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-20897
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-20897
Patch
https://jira.atlassian.com/browse/JRASERVER-70813
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