Atlassian JIRA Server/Data Center up to 8.5.3/8.6.1 Gadget API Request denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

A vulnerability was found in Atlassian JIRA Server and Data Center up to 8.5.3/8.6.1 (Bug Tracking Software). It has been classified as problematic. This affects an unknown function of the component Gadget API. The manipulation as part of a Request leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. The summary by CVE is:

The Gadget API in Atlassian Jira Server and Data Center in affected versions allows remote attackers to make Jira unresponsive via repeated requests to a certain endpoint in the Gadget API. The affected versions are before version 8.5.4, and from version 8.6.0 before 8.6.1.

The weakness was disclosed 07/13/2020 (Website). The advisory is shared at jira.atlassian.com. This vulnerability is uniquely identified as CVE-2019-20899 since 07/07/2020. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

Upgrading to version 8.5.4 or 8.6.2 eliminates this vulnerability.

The entries 157858, 157856 and 157855 are pretty similar.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
ATT&CK: T1499

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: JIRA Server/Data Center 8.5.4/8.6.2

Timelineinfo

07/07/2020 🔍
07/13/2020 +6 days 🔍
07/13/2020 +0 days 🔍
07/13/2020 +0 days 🔍

Sourcesinfo

Vendor: atlassian.com

Advisory: jira.atlassian.com
Status: Not defined

CVE: CVE-2019-20899 (🔍)
See also: 🔍

Entryinfo

Created: 07/13/2020 07:59
Updated: 07/13/2020 08:04
Changes: 07/13/2020 07:59 (41), 07/13/2020 08:04 (18)
Complete: 🔍

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