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CVE-2018-13391

20
FAUCET Score

CVE-2018-13391 is a medium-severity information disclosure vulnerability affecting Atlassian Jira Server versions prior to 7.6.8, 7.7.5, 7.8.5, 7.9.3, 7.10.3, and 7.11.2. This flaw in the ProfileLinkUserFormat component allows remote attackers to obtain the email addresses of issue reporters and assignees, even when email visibility settings are configured to be hidden. The attack requires no authentication or user interaction, but only exposes email addresses. There is currently no known active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 7.6.8CPE matchmatch criteria
cpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:*
>= 7.7.0, < 7.7.5CPE matchmatch criteria
cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*
>= 7.8.0, < 7.8.5CPE matchmatch criteria
cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*
>= 7.9.0, < 7.9.3CPE matchmatch criteria
cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*
>= 7.10.0, < 7.10.3CPE matchmatch criteria
cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.3MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.80%
Probability of exploitation in next 30 days
EPSS Percentile
76.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0180 is in the 63rd percentile among its peer group of 23,705 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 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-67750
Issue TrackingVendor Advisory
securityfocus.com / bid/105165
Third Party AdvisoryVDB Entry