How severe is CVE-2018-13404?

CVE-2018-13404 has a CVSS 3.x base score of 4.1, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2018-13404 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-13404?

CVE-2018-13404 primarily affects Atlassian Jira. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-13404?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-13404 published?

CVE-2018-13404 was published on 2019-02-13 and last updated on 2026-06-17.

CVE-2018-13404

CVE-2018-13404 is a medium-severity vulnerability in Atlassian Jira with a CVSS 3.x base score of 4.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-918.

Key facts

Severity: Medium (CVSS 3.x base score 4.1)
CVSS v2: 4.0
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Atlassian Jira
Published: 2019-02-13
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2018-13404?: CVE-2018-13404 has a CVSS 3.x base score of 4.1, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2018-13404 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-13404?: CVE-2018-13404 primarily affects Atlassian Jira. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-13404?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-13404 published?: CVE-2018-13404 was published on 2019-02-13 and last updated on 2026-06-17.

References

https://jira.atlassian.com/browse/JRASERVER-68527

Affected products (2)

cpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:*
cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*

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