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PRIOn knowledge basePRION:CVE-2019-20104

HistoryFeb 06, 2020 - 3:15 a.m.

Design/Logic Flaw

2020-02-0603:15:00

PRIOn knowledge base

www.prio-n.com

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.002 Low

EPSS

Percentile

59.2%

JSON

The OpenID client application in Atlassian Crowd before version 3.6.2, and from version 3.7.0 before 3.7.1 allows remote attackers to perform a Denial of Service attack via an XML Entity Expansion vulnerability.

CPENameOperatorVersion
crowdge3.7.2
crowdlt4.0.0
crowdge3.6.3
crowdlt3.7.1
crowdlt3.2.11
crowdge3.3.0
crowdlt3.3.8
crowdge3.4.0
crowdlt3.4.7
crowdge3.5.0

Name	Operator	Version
crowd	ge	3.7.2
crowd	lt	4.0.0
crowd	ge	3.6.3
crowd	lt	3.7.1
crowd	lt	3.2.11
crowd	ge	3.3.0
crowd	lt	3.3.8
crowd	ge	3.4.0
crowd	lt	3.4.7
crowd	ge	3.5.0

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References

jira.atlassian.com/browse/CWD-5526

zeroauth.ltd/blog/2020/02/07/cve-2019-20104-atlassian-crowd-openid-client-vulnerable-to-remote-dos-via-xml-entity-expansion/

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.002 Low

EPSS

Percentile

59.2%

JSON

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