CVE-2016-0752

Name: CVE-2016-0752
Creator: NVD / NIST
Published: 2016-02-16T02:59:06.783+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10Actively ExploitedEPSS 95.54%

Last modified Jun 17, 2026

CVE-2016-0752 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Directory traversal vulnerability in Action View in Ruby on Rails before 3.2.22.1, 4.0.x and 4.1.x before 4.1.14.1, 4.2.x before 4.2.5.1, and 5.x before 5.0.0.beta1.1 allows remote attackers to read arbitrary files by leveraging an application's unrestricted use of the render method and providing a .. (dot dot) in a pathname.. CISA has confirmed active exploitation in the wild. EPSS estimates a 95.54% chance of exploitation in the next 30 days.

Description

Directory traversal vulnerability in Action View in Ruby on Rails before 3.2.22.1, 4.0.x and 4.1.x before 4.1.14.1, 4.2.x before 4.2.5.1, and 5.x before 5.0.0.beta1.1 allows remote attackers to read arbitrary files by leveraging an application's unrestricted use of the render method and providing a .. (dot dot) in a pathname.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

95.54%

99.9th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by Apr 15, 2022.

Weakness Enumeration

Affected Software

Vendor	Product	Versions	Update
Rubyonrails	Rails	< 3.2.22.1	—
Rubyonrails	Rails	>= 4.0.0, < 4.1.14.1	—
Rubyonrails	Rails	>= 4.2.0, < 4.2.5.1	—
Rubyonrails	Rails	5.0.0	Beta1
Opensuse	Leap	42.1	—
Opensuse	Opensuse	13.2	—
Suse	Linux Enterprise Module For Containers	12	—
Debian	Debian Linux	8.0	—
Redhat	Software Collections	1.0	—

References

http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178044.htmlPermissions Required
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178069.htmlPermissions Required
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00053.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-02/msg00034.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-02/msg00043.htmlMailing List, Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-0296.htmlThird Party Advisory
http://www.debian.org/security/2016/dsa-3464Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/01/25/13Exploit, Mailing List
http://www.securityfocus.com/bid/81801Broken Link, Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1034816Broken Link, Third Party Advisory, VDB Entry
https://groups.google.com/forum/message/raw?msg=ruby-security-ann/335P1DcLG00/JXcBnTtZEgAJBroken Link
https://www.exploit-db.com/exploits/40561/Exploit, Third Party Advisory, VDB Entry
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178044.htmlPermissions Required
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/178069.htmlPermissions Required
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00053.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-02/msg00034.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-02/msg00043.htmlMailing List, Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-0296.htmlThird Party Advisory
http://www.debian.org/security/2016/dsa-3464Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/01/25/13Exploit, Mailing List
http://www.securityfocus.com/bid/81801Broken Link, Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1034816Broken Link, Third Party Advisory, VDB Entry
https://groups.google.com/forum/message/raw?msg=ruby-security-ann/335P1DcLG00/JXcBnTtZEgAJBroken Link
https://www.exploit-db.com/exploits/40561/Exploit, Third Party Advisory, VDB Entry
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-0752US Government Resource

Timeline

Published: Feb 16, 2016
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2016-0752?

How severe is CVE-2016-0752?

CVE-2016-0752 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 95.54% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2016-0752?

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-2016-0752?

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

Scan your code now

Source: NVD / NIST