CVE-2019-20897

MEDIUM
6.5
CVSS Score
Published: July 13, 2020 at 12:50 AM UTC
Updated: June 17, 2026 at 02:31 AM UTC
3 products affected across 1 vendorJira ServerJiraJira Data Center

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Severity
MEDIUM6.5
Exploit prediction
EPSS 2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Jira· Atlassianatlassian-app
95%
v < 8.5.4
Affected range stops below 8.5.4, so it looks safe — our inference, not a vendor statement
v < 8.5.48.6.0 ≤ v < 8.6.28.7.0 ≤ v < 8.7.1
Affected range stops below 8.5.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.6.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.7.1, so it looks safe — our inference, not a vendor statement
95%
v ≥ 8.6.0v ≥ 8.7.0v < 8.5.4v < 8.6.2v < 8.7.18.6.0 ≤ v < 8.6.28.7.0 ≤ v < 8.7.18.6.08.7.0
Affected range stops below 8.5.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.6.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.7.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-434

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