CVE-2019-13038

Name: CVE-2019-13038
Creator: NVD / NIST
Published: 2019-06-29T14:15:09.15+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 1.42%

Last modified Jun 17, 2026

CVE-2019-13038 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. mod_auth_mellon through 0.14.2 has an Open Redirect via the login?ReturnTo= substring, as demonstrated by omitting the // after http: in the target URL.. EPSS estimates a 1.42% chance of exploitation in the next 30 days.

Description

mod_auth_mellon through 0.14.2 has an Open Redirect via the login?ReturnTo= substring, as demonstrated by omitting the // after http: in the target URL.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

1.42%

69.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-601

Affected Software

Vendor	Product	Versions
Mod Auth Mellon Project	Mod Auth Mellon	<= 0.14.2
Oracle	Zfs Storage Appliance Kit	8.8
Fedoraproject	Fedora	30
Fedoraproject	Fedora	31
Canonical	Ubuntu Linux	18.04
Canonical	Ubuntu Linux	18.10

References

https://github.com/Uninett/mod_auth_mellon/issues/35#issuecomment-503974885Issue Tracking, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/03/msg00010.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A5E3JVHURJJNDP63CKVX5O5MJAGCQV4K/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XU5GVFZW3C2M4ZBL4F7UP7N24FNUCX4E/
https://usn.ubuntu.com/4291-1/Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
https://github.com/Uninett/mod_auth_mellon/issues/35#issuecomment-503974885Issue Tracking, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/03/msg00010.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A5E3JVHURJJNDP63CKVX5O5MJAGCQV4K/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XU5GVFZW3C2M4ZBL4F7UP7N24FNUCX4E/
https://usn.ubuntu.com/4291-1/Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory

Timeline

Published: Jun 29, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-13038?

mod_auth_mellon through 0.14.2 has an Open Redirect via the login?ReturnTo= substring, as demonstrated by omitting the // after http: in the target URL.

How severe is CVE-2019-13038?

CVE-2019-13038 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.42% probability of exploitation in the next 30 days.

How do I fix CVE-2019-13038?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-13038?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST