CVE-2018-16476: redhat cloudforms Improper Access Control
Vulnerability summary
CVE-2018-16476 is a high (CVSS 7.5) Improper Access Control vulnerability in redhat cloudforms. EPSS estimates a 2.86% chance of exploitation in the next 30 days, higher than 86.5% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 30-11-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
A Broken Access Control vulnerability in Active Job versions >= 4.2.0 allows an attacker to craft user input which can cause Active Job to deserialize it using GlobalId and give them access to information that they should not have. This vulnerability has been fixed in versions 4.2.11, 5.0.7.1, 5.1.6.1, and 5.2.1.1.
CVSS metrics
6 scores · 5 sources · 2 versions- OSV · Red hatEcosystem advisory · calculated4.3MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:NDiffers
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · RubygemsEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
2.86%
Chance of exploitation in the next 30 days
Percentile
87%
Versus all other CVEs
30-day change
+0.31 pp
From 2.56% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (groups.google.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Redhat10 products
- cloudforms4.6
- cfme< 0:5.9.9.1-1.el7cf
- cfme-amazon-smartstate< 0:5.9.9.1-1.el7cf
- cfme-appliance< 0:5.9.9.1-1.el7cf
- cfme-appliance-common< 0:5.9.9.1-1.el7cf
Suse4 products
- rubygem-activejob-4_2&distro=SUSE Enterprise Storage 4< 4.2.9-3.6.1
- rubygem-activejob-4_2&distro=SUSE OpenStack Cloud 7< 4.2.9-3.6.1
- rubygem-activejob-4_2&distro=SUSE OpenStack Cloud Crowbar 8< 4.2.9-3.6.1
- rubygem-activejob-5_1&distro=SUSE Linux Enterprise High Availability Extension 15< 5.1.4-3.3.1
Debian1 product
- rails< 2:5.2.2+dfsg-1
RubyGems1 product
- activejob≥ 4.2.0, < 4.2.11 | ≥ 5.0.0, < 5.0.7.1 | ≥ 5.1.0, < 5.1.6.1 | ≥ 5.2.0, < 5.2.1.1
Rubyonrails1 product
- rails≥ 4.2.0, < 4.2.11 | ≥ 5.0.0, < 5.0.7.1 | ≥ 5.1.0, < 5.1.6.1 | ≥ 5.2.0, < 5.2.1.1
Ubuntu1 product
- railsAll versions (No fix recorded)
6 vendors · 18 products
References
27 links- groups.google.com/d/msg/rubyonrails-security/FL4dSdzr2zw/zjKVhF4qBAAJX Refsource MISCExploitMailing ListMitigationThird Party AdvisoryWEB
- weblog.rubyonrails.org/2018/11/27/Rails-4-2-5-0-5-1-5-2-have-been-released/X Refsource MISCVendor Advisory
- access.redhat.com/errata/RHSA-2019:0600Vendor AdvisoryX Refsource REDHATThird Party AdvisoryAdvisoryWEB
Show all 27 references
- github.com/rails/railsPACKAGE