What is CVE-2019-20901?

CVE-2019-20901 is a medium-severity vulnerability in Atlassian Jira, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2020-07-13.

How severe is CVE-2019-20901?

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

Open Redirect in Atlassian Jira

CVE-2019-20901

The login.jsp resource in Jira before version 8.5.2, and from version 8.6.0 before version 8.6.1 allows remote attackers to redirect users to a different website which they may use as part of performing a phishing attack via an open redirect in the os_destination parameter.

Vulnerability class: Open Redirect

EPSS: 0.012 (64.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Atlassian Jira
Atlassian Jira Server — versions unspecified, 8.6.0, unspecified
Atlassian Jira_server — versions 8.6.0

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

References

security@atlassian.com (x_refsource_MISC, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2019-20901?: CVE-2019-20901 is a medium-severity vulnerability in Atlassian Jira, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2020-07-13.
How severe is CVE-2019-20901?: Medium severity. CVSS v3 base score is 6.1 out of 10.