What is CVE-2018-13390?

CVE-2018-13390 is a medium-severity vulnerability in Atlassian Cloudtoken. CVSS score: 6.1/10. Published 2018-08-10.

How severe is CVE-2018-13390?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Vulnerability in Atlassian Cloudtoken

CVE-2018-13390

Unauthenticated access to cloudtoken daemon on Linux via network from version 0.1.1 before version 0.1.24 allows attackers on the same subnet to gain temporary AWS credentials for the users' roles.

Published 2018-08-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (38.1th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 38.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Atlassian Cloudtoken — versions unspecified, 0.1.1

References

bitbucket.org/atlassian/cloudtoken/wiki/CVE-2018-13390 - Exposed credentials in… (Third Party Advisory, Mitigation)

Frequently asked questions

What is CVE-2018-13390?: CVE-2018-13390 is a medium-severity vulnerability in Atlassian Cloudtoken. CVSS score: 6.1/10. Published 2018-08-10.
How severe is CVE-2018-13390?: Medium severity. CVSS v3 base score is 6.1 out of 10.