CVE-2019-20104

HIGHCVSS 7.5/10EPSS 2.43%

Last modified

CVE-2019-20104 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 2.43% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
7.5/10

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

EPSS Probability
2.43%

82.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
AtlassianCrowd< 3.2.11
AtlassianCrowd>= 3.3.0, < 3.3.8
AtlassianCrowd>= 3.4.0, < 3.4.7
AtlassianCrowd>= 3.5.0, < 3.5.2
AtlassianCrowd>= 3.6.0, < 3.6.2
AtlassianCrowd>= 3.6.3, < 3.7.1
AtlassianCrowd>= 3.7.2, < 4.0.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-20104?
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.
How severe is CVE-2019-20104?
CVE-2019-20104 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.43% probability of exploitation in the next 30 days.
How do I fix CVE-2019-20104?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-20104?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST