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
64.4%
This High severity Third-Party Dependency vulnerability was introduced in version 4.20.0 of Jira Service Management Data Center and Server.
This vulnerability, with CVSS Score(s) of 7.5, and CVSS Vector(s) of CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H, allows an unauthenticated attacker to expose assets in your environment susceptible to exploitation which has no impact to confidentiality, no impact to integrity, high impact to availability, and requires no user interaction
Atlassian recommends that Jira Service Management Data Center and Server customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions:
Jira Service Management Data Center and Server 4.20: Upgrade to a release greater than or equal to 4.20.25
Jira Service Management Data Center and Server 5.4: Upgrade to a release greater than or equal to 5.4.9
Jira Service Management Data Center and Server 5.9: Upgrade to a release greater than or equal to 5.9.2
Jira Service Management Data Center and Server 5.10: Upgrade to a release greater than or equal to 5.10.1
See the release notes ([https://confluence.atlassian.com/servicemanagement/jira-service-management-release-notes-780083086.html]). You can download the latest version of Jira Service Management Data Center and Server from the download center ([https://www.atlassian.com/software/jira/service-management/download-archives]).
The National Vulnerability Database provides the following description for this vulnerability: The package com.google.code.gson:gson before 2.8.9 are vulnerable to Deserialization of Untrusted Data via the writeReplace() method in internal classes, which may lead to DoS attacks.
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
64.4%