CVE-2018-13404

The VerifyPopServerConnection resource in Atlassian Jira before version 7.6.10, 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, from version 7.11.0 before version 7.11.3, from version 7.12.0 before version 7.12.3, and from version 7.13.0 before version 7.13.1 allows remote attackers who have administrator rights to determine the existence of internal hosts & open ports and in some cases obtain service information from internal network resources via a Server Side Request Forgery (SSRF) vulnerability.

Published: 2019-02-13 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2018-13404 is rated Low Risk (39.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.14%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2018-13404

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.14% 1.14% +1.00%
2 2025-08-19 0.25% 0.14% -0.10%
3 2025-04-04 — 0.25% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2018-13404

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.1 3.0 MEDIUM
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:H)
They need powerful rights—admin, root, or similar—before this pays off.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 2.3 1.4 [email protected]
4.0 2.0 MEDIUM
AV:N/AC:L/Au:S/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 8.0 2.9 [email protected]

Weakness enumeration for CVE-2018-13404

Affected software / configurations for CVE-2018-13404

Vendor Product Version Raw CPE
atlassian jira < 7.6.10 cpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:*
atlassian jira_server >= 7.7.0, < 7.7.5 cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*
atlassian jira_server >= 7.8.0, <= 7.8.4 cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*
atlassian jira_server >= 7.9.0, <= 7.9.2 cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*
atlassian jira_server >= 7.10.0, <= 7.10.2 cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*
atlassian jira_server >= 7.11.0, < 7.11.3 cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*
atlassian jira_server >= 7.12.0, < 7.12.3 cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*
atlassian jira_server >= 7.13.0, < 7.13.1 cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*

References for CVE-2018-13404

cvelogic Threat Intelligence