CVE-2022-0851: There is a flaw in convert2rhel

Routine

MEDIUM 5.5WATCHLISTMITIGATEMITIGATE

CVE-2022-0851 is a medium-severity flaw (CVSS 5.5) affecting convert2rhel, enterprise linux. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

There is a flaw in convert2rhel. When the --activationkey option is used with convert2rhel, the activation key is subsequently passed to subscription-manager via the command line, which could allow unauthorized users locally on the machine to view the activation key via the process command line via e.g. htop or ps. The specific impact varies upon the subscription, but generally this would allow an attacker to register systems purchased by the vic

Why this priority

Public exploit reference
On your watchlist

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 76%)
CISA exploited list	No
Weakness	CWE-200
Published	2022-08-29
Last modified	2026-06-17

Publisher (CNA): Red Hat, Inc. · Vendor: convert2rhel project · redhat

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-08-29 15:15 UTCPublished CVE record published
2026-06-17 04:21 UTCUpdated Record last modified

convert2rhel project convert2rhel MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy convert2rhel || rpm -q convert2rhel || convert2rhel --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

redhat enterprise linux MITIGATE

Affected: 7.0 · 8.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 7.0

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-0851?

convert2rhel: mitigate or apply the listed mitigation; enterprise linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-0851 being exploited?

CVE-2022-0851 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-0851 affect?

CVE-2022-0851 affects convert2rhel, enterprise linux. Severity is medium (CVSS 5.5). There is a flaw in convert2rhel. When the --activationkey option is used with convert2rhel, the activation key is subsequently passed to subscription-manager via the command line, which could allow unauthorized users locally on the machine

How urgent is CVE-2022-0851?

Priority 35/100. Public exploit reference; On your watchlist

Related CVEs

CVE-2022-1662 MEDIUM 5.5 DOWNGRADE In convert2rhel, there's an ansible playbook named ansible/run-convert2rhel.yml which passes the Red Hat Subsc
CVE-2022-0852 MEDIUM 5.5 UPGRADE MITIGATE There is a flaw in convert2rhel

References

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