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CVE-2019-20407

18
FAUCET Score

CVE-2019-20407 describes an authorization bypass vulnerability in Jira Software and Jira Software Data Center versions prior to 8.6.1. Authenticated attackers can exploit a missing authorization check in the ConfigureBambooRelease resource to view release version information in projects they lack access to. This vulnerability has a CVSS score of 4.3 (Medium), indicating a low-complexity attack requiring authentication, resulting in a low impact on confidentiality. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 8.4.1, < 8.5.3CPE matchmatch criteria
cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*
>= 8.5.4, < 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:*:*:*:*:*:*:*:*
>= 8.4.1, < 8.5.3CPE matchmatch criteria
cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*
>= 8.5.4, < 8.6.1CPE matchmatch criteria
cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.20%
Probability of exploitation in next 30 days
EPSS Percentile
64.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0120 is in the 79th percentile among its peer group of 21,977 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media 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

Remediation records are not available for this CVE.

References

jira.atlassian.com / browse/JRASERVER-70599
Issue TrackingVendor Advisory