CVE-2019-20899 describes a denial-of-service vulnerability in Atlassian Jira Server and Data Center versions prior to 8.5.4 and 8.6.0 before 8.6.1. This flaw allows unauthenticated remote attackers to render Jira unresponsive by repeatedly accessing a specific endpoint within the Gadget API. With a CVSS score of 5.3 (Medium), the attack is network-based, low complexity, and requires no user interaction, leading to a low impact on availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 8.5.4CPE matchmatch criteria | cpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:* | ||
>= 8.5.5, < 8.6.1CPE matchmatch criteria | cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:* | ||
>= 8.6.2, < 8.7.0CPE matchmatch criteria | cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:* | ||
>= 8.5.5, < 8.6.1CPE matchmatch criteria | cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:* | ||
>= 8.6.2, < 8.7.0CPE matchmatch criteria | cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.