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CVE-2021-4112

28
FAUCET Score

CVE-2021-4112 describes a job isolation escape vulnerability in Ansible Tower and related Red Hat Ansible Automation Platform products. This flaw allows a low-privileged user to elevate their privileges to an AWX user from outside the isolated environment. With a CVSS score of 8.8 (High), this vulnerability presents a significant risk due to its local attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While no public exploit intelligence (Metasploit, Nuclei, ExploitDB) is currently available and it is not on the KEV catalog, the potential for privilege escalation warrants attention. Community discussion and media coverage for this CVE are minimal.

Impacted Technologies

VendorProductVersion(s)CPE
2.0CPE matchmatch criteria
cpe:2.3:a:redhat:ansible_automation_platform_early_access:2.0:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:redhat:ansible_automation_platform_text-only_advisories:-:*:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:a:redhat:ansible_tower:3.0:*:*:*:*:*:*:*
2.0CPE matchmatch criteria
cpe:2.3:a:redhat:ansible_automation_platform:2.0:*:*:*:*:*:*:*
2.1CPE matchmatch criteria
cpe:2.3:a:redhat:ansible_automation_platform:2.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.0
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.23%
Probability of exploitation in next 30 days
EPSS Percentile
14.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0023 is in the 45th percentile among its peer group of 17,070 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

redhatpatch availablevia redhat_api
Product: Red Hat Ansible Automation Platform 2.0 for RHEL 8Fixed in: ansible-runner-0:2.0.3-3.el8ap
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Ansible Automation Platform 2.1 for RHEL 8Fixed in: ansible-runner-0:2.1.1-2.el8ap
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Ansible Tower 3.8 for RHEL 7Fixed in: ansible-tower
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Ansible Tower 3.8 for RHEL 8Fixed in: ansible-tower
View patch
redhatvendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2021-4112Important

ansible-tower: Privilege escalation via job isolation escape

Dec 1, 2021

References

access.redhat.com / security/cve/CVE-2021-4112
Vendor Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingVendor Advisory