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CVE-2021-4112· NVD / CVE Program· CNA redhat

A flaw was found in ansible-tower where the default installation is vulnerable to job isolation escape.

A flaw was found in ansible-tower where the default installation is vulnerable to job isolation escape. This flaw allows an attacker to elevate the privilege from a low privileged user to an AWX user from outside the isolated environment.

HighCVSS 8.8 · v3.1—No exploit Fix available
Published
Aug 25, 2022
Updated
Jun 17, 2026
EPSS
0.2% · 14th percentile
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Report tools

JSON

Action score

35

Monitor

Low priority for now.

CVSS
35 / 40 · 8.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

Affected systems

VendorProduct
redhatansible automation platform early access
redhatansible automation platform text-only advisories
redhatansible tower
redhatansible automation platform
redhatenterprise linux

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • redhat ansible automation platform2.0
  • redhat ansible automation platform2.1
  • redhat ansible automation platform early access2.0
  • redhat ansible automation platform text-only advisoriesall versions
  • redhat ansible tower3.0

Versions reported by the vendor

Affected version ranges reported by the assigning authority (redhat). Independent of NVD's CPE analysis and usually ahead of it.

  • n/a ansible-tower

    • Fixed in ansible-tower 3.8.5affected

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Red Hat:ansible_automation_platform:2.0::el8ansible-runnerbefore 0:2.0.3-3.el8ap0:2.0.3-3.el8ap
Red Hat:ansible_automation_platform:2.0::el8python38-ansible-runnerbefore 0:2.0.3-3.el8ap0:2.0.3-3.el8ap
Red Hat:ansible_automation_platform:2.1::el8ansible-runnerbefore 0:2.1.1-2.el8ap0:2.1.1-2.el8ap
Red Hat:ansible_automation_platform:2.1::el8python38-ansible-runnerbefore 0:2.1.1-2.el8ap0:2.1.1-2.el8ap

Same product

redhat: all records

Other highest-scoring records for the same primary product.

  • CVE-2021-3620A flaw was found in Ansible Engine's ansible-connection module, where sensitive information such as the Ansible user credentials is disclose
    22Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
red hat:ansible-runner0:2.1.1-2.el8ap · Red Hat:ansible_automation_platform:2.1::el8Package registry (OSV)
red hat:python38-ansible-runner0:2.1.1-2.el8ap · Red Hat:ansible_automation_platform:2.1::el8Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted

Impact can extend beyond the vulnerable component (scope changes).

Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Changed
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-552 · Files or Directories Accessible to External Parties

CVSS vector

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

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records