HOMEVULNERABILITIESCVE-2018-13391
MEDIUM

CVE-2018-13391

CWE-200Published: August 28, 2018· Updated: Jun 17, 2026

5.3
CVSS v3.1

Official Description

The ProfileLinkUserFormat component of Jira Server before version 7.6.8, from version 7.7.0 before version 7.7.5, from version 7.8.0 before version 7.8.5, from version 7.9.0 before version 7.9.3, from version 7.10.0 before version 7.10.3 and from version 7.11.0 before version 7.11.2 allows remote attackers who can access & view an issue to obtain the email address of the reporter and assignee user of an issue despite the configured email visibility setting being set to hidden.

NVD Source

Technical Analysis

CVE-2018-13391 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

From a weakness classification perspective (CWE-200): Information exposure vulnerabilities leak sensitive data to unauthorized actors.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityNone
AvailabilityNone
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected Vendors & Products

Atlassian2 product(s)
jirajira server
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://www.securityfocus.com/bid/105165
ADVISORYhttps://jira.atlassian.com/browse/JRASERVER-67750
ADVISORYhttp://www.securityfocus.com/bid/105165
ADVISORYhttps://jira.atlassian.com/browse/JRASERVER-67750

All References (4)

→
http://www.securityfocus.com/bid/105165Third Party Advisory · VDB Entry
→
https://jira.atlassian.com/browse/JRASERVER-67750Issue Tracking · Vendor Advisory
→
http://www.securityfocus.com/bid/105165Third Party Advisory · VDB Entry
→
https://jira.atlassian.com/browse/JRASERVER-67750Issue Tracking · Vendor Advisory

Quick Facts

CVE IDCVE-2018-13391
CVSS Score5.3 / 10
SeverityMEDIUM
WeaknessCWE-200
CISA KEVNo
Affected1 vendor(s)
PublishedAug 28, 2018

Related CVEs (CWE-200)

CVE-2008-3010
10.0
CVE-2008-3914
10.0
CVE-2025-22612
10.0
CVE-2026-40965
10.0
CVE-2008-0082
10.0
CVE-2011-0376
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2018-13391 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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