7.5

CVE-2016-0752: Ruby on Rails Directory Traversal Vulnerability

KEV
Analyzed
AliasesSUSE-SU-2016:0456-1SUSE-SU-2016:0599-1UBUNTU-CVE-2016-0752
Published 16-02-2016Last modified 21-10-2025

Vulnerability summary

CVE-2016-0752 is a high (CVSS 7.5) vulnerability in Rails Ruby on Rails. It is known to be exploited: CISA lists it, first on 25-03-2022. EPSS estimates a 95.54% chance of exploitation in the next 30 days, higher than 99.8% of scored vulnerabilities. 3 public exploits are recorded.

Priority
Act nowlisted as exploited

Listed as exploited by CISA (25-03-2022)

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
95.54%
0%100%
Critical · 0.00 pp in 30 days
KEVExploited in the wildCritical · listed in 1 catalog
RansomwareNot flaggedNo ransomware use recorded.
Public exploits3reference, exploit-database, metasploit

Advisory lineage

Upstream 0 · Downstream 10 · Related 5
DLA-604-1DSA-3464-1RHSA-2016:0296RHSA-2016:0454RHSA-2016:0455SUSE-SU-2016:0457-1

Timeline

  1. 16-02-2016
    PublishedVulnerability first disclosed.
  2. 25-03-2022
    Added to CISA KEVExploitedRuby on Rails Directory Traversal Vulnerability
  3. 15-04-2022
    CISA remediation dueDeadline passedApply updates per vendor instructions.
  4. 21-10-2025
    Last modifiedVulnerability information updated.

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.

CVSS metrics

7 scores · 5 sources · 3 versions

EPSS trend

Probability

95.54%

Chance of exploitation in the next 30 days

Percentile

100%

Versus all other CVEs

30-day change

No change 0.00 pp

From 95.54% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEVListed
Added
25-03-2022
Federal due date
15-04-2022
ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

CISA required action

Apply updates per vendor instructions. nvd.nist.gov/vuln/detail/CVE-2016-0752

Public exploits

3 found
  • referenceUnverified

    Exploit Reference (openwall.com)

    Maturity: unknown

  • exploit-databaseremotemultipleVerified

    Ruby on Rails - Dynamic Render File Upload / Remote Code Execution (Metasploit)

    Maturity: weaponized

  • MetasploitMetasploitremoteVerified

    Ruby on Rails Dynamic Render File Upload Remote Code Execution

    exploit/multi/http/rails_dynamic_render_code_exec

    Maturity: weaponized

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Suse3 products
Debian2 products
Opensuse2 products
RubyGems2 products
  • actionpack≥ 4.0.0, < 4.1.14.1 | ≥ 4.2.0, < 4.2.5.1 | < 3.2.22.1
  • actionview≥ 4.0.0, < 4.1.14.1 | ≥ 4.2.0, < 4.2.5.1
Redhat1 product
Rubyonrails1 product
  • railsEOL< 3.2.22.1 | ≥ 4.0.0, < 4.1.14.1 | ≥ 4.2.0, < 4.2.5.1 | 5.0.0:beta1
Ubuntu1 product
  • rails< 2:4.2.5.1-1

7 vendors · 12 products

References

31 links
Show all 31 references