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

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.

Published 2020-07-13 05:15:11

Updated 2022-03-25 18:14:28

Source Atlassian

View at NVD, CVE.org

Vulnerability category: Open redirect

Threat overview for CVE-2019-20901

Top countries where our scanners detected CVE-2019-20901

Top open port discovered on systems with this issue 80

IPs affected by CVE-2019-20901 2,604

Threat actors abusing to this issue? Yes

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^*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2019-20901

Probability of exploitation activity in the next 30 days: 0.12%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 46 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2019-20901

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.8	MEDIUM	AV:N/AC:M/Au:N/C:P/I:P/A:N	8.6	4.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: None
6.1	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N	2.8	2.7	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Changed Confidentiality: Low Integrity: Low Availability: None

CWE ids for CVE-2019-20901

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

A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2019-20901

https://jira.atlassian.com/browse/JRASERVER-70408

[JRASERVER-70408] Open redirect vulnerability in login.jsp - CVE-2019-20901 - Create and track feature requests for Atlassian products.
Issue Tracking;Vendor Advisory

Products affected by CVE-2019-20901