VDB-193678 · CVE-2021-43943 · JSDSERVER-10980

Atlassian Jira Service Management Server/Data Center up to 4.20.x InsightDefaultCustomFieldConfig.jspa Object Schema cross site scripting

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.4	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Atlassian Jira Service Management Server and Data Center up to 4.20.x. Affected by this issue is some unknown functionality of the file /secure/admin/InsightDefaultCustomFieldConfig.jspa. Executing a manipulation of the argument Object Schema can lead to cross site scripting. This vulnerability appears as CVE-2021-43943. The attack may be performed from remote. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Atlassian Jira Service Management Server and Data Center up to 4.20.x (Bug Tracking Software). It has been declared as problematic. This vulnerability affects some unknown functionality of the file /secure/admin/InsightDefaultCustomFieldConfig.jspa. The manipulation of the argument Object Schema with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity.

The weakness was presented 02/24/2022 as JSDSERVER-10980. The advisory is available at jira.atlassian.com. This vulnerability was named CVE-2021-43943 since 11/16/2021. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

Upgrading to version 4.21.0 eliminates this vulnerability.

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Productinfo

Type

Bug Tracking Software

Vendor

Atlassian

Name

Version

License

free

Website

Vendor: https://www.atlassian.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Jira Service Management Server/Data Center 4.21.0

Timelineinfo

11/16/2021 🔍
02/24/2022 +100 days 🔍
02/24/2022 +0 days 🔍
02/26/2022 +2 days 🔍

Sourcesinfo

Vendor: atlassian.com

Advisory: JSDSERVER-10980
Status: Confirmed

CVE: CVE-2021-43943 (🔍)
GCVE (CVE): GCVE-0-2021-43943
GCVE (VulDB): GCVE-100-193678

Entryinfo

Created: 02/24/2022 08:29
Updated: 02/26/2022 08:41
Changes: 02/24/2022 08:29 (42), 02/26/2022 08:41 (1)
Complete: 🔍
Cache ID: 216::103