CVE-2019-20897

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

La funcionalidad avatar upload en las versiones afectadas de Atlassian Jira Server y Data Center permite a atacantes remotos lograr una Denegación de Servicio por medio de un archivo PNG diseñado. Las versiones afectadas son anteriores a versión 8.5.4, desde versión 8.6.0 anteriores a 8.6.2, y desde versión 8.7.0 anteriores a 8.7.1

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-07-07 CVE Reserved
2020-07-13 CVE Published
2023-03-07 EPSS Updated
2024-09-16 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-434: Unrestricted Upload of File with Dangerous Type

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://jira.atlassian.com/browse/JRASERVER-70813	2022-03-30

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Atlassian Search vendor "Atlassian"		Jira Search vendor "Atlassian" for product "Jira"				< 8.5.4 Search vendor "Atlassian" for product "Jira" and version " < 8.5.4"		-		Affected
Atlassian Search vendor "Atlassian"		Jira Data Center Search vendor "Atlassian" for product "Jira Data Center"				>= 8.6.0 < 8.6.2 Search vendor "Atlassian" for product "Jira Data Center" and version " >= 8.6.0 < 8.6.2"		-		Affected
Atlassian Search vendor "Atlassian"		Jira Data Center Search vendor "Atlassian" for product "Jira Data Center"				>= 8.7.0 < 8.7.1 Search vendor "Atlassian" for product "Jira Data Center" and version " >= 8.7.0 < 8.7.1"		-		Affected
Atlassian Search vendor "Atlassian"		Jira Server Search vendor "Atlassian" for product "Jira Server"				>= 8.6.0 < 8.6.2 Search vendor "Atlassian" for product "Jira Server" and version " >= 8.6.0 < 8.6.2"		-		Affected
Atlassian Search vendor "Atlassian"		Jira Server Search vendor "Atlassian" for product "Jira Server"				>= 8.7.0 < 8.7.1 Search vendor "Atlassian" for product "Jira Server" and version " >= 8.7.0 < 8.7.1"		-		Affected
Atlassian Search vendor "Atlassian"		Jira Software Data Center Search vendor "Atlassian" for product "Jira Software Data Center"				< 8.5.4 Search vendor "Atlassian" for product "Jira Software Data Center" and version " < 8.5.4"		-		Affected