CVE-2022-21950: A Improper Access Control vulnerability in the systemd service of cana in openSUSE Backports SLE-15-SP3, openS

Q: How do I fix CVE-2022-21950?

canna: upgrade to 3.7p3-bp153.2.3.1, 3.7p3-bp154.3.3.1. Exact commands for each OS are on this page.

Q: Is CVE-2022-21950 being exploited?

CVE-2022-21950 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2022-21950 affect?

CVE-2022-21950 affects canna. Severity is medium (CVSS 5.3). A Improper Access Control vulnerability in the systemd service of cana in openSUSE Backports SLE-15-SP3, openSUSE Backports SLE-15-SP4 allows local users to hijack the UNIX domain socket This issue affects: openSUSE Backports SLE-15-SP3 can

Q: How urgent is CVE-2022-21950?

Priority 20/100. No elevated risk signals yet.

Routine

MEDIUM 5.3UPGRADE

CVE-2022-21950 is a medium-severity flaw (CVSS 5.3) affecting canna. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A Improper Access Control vulnerability in the systemd service of cana in openSUSE Backports SLE-15-SP3, openSUSE Backports SLE-15-SP4 allows local users to hijack the UNIX domain socket This issue affects: openSUSE Backports SLE-15-SP3 canna versions prior to canna-3.7p3-bp153.2.3.1. openSUSE Backports SLE-15-SP4 canna versions prior to 3.7p3-bp154.3.3.1. openSUSE Factory was also affected. Instead of fixing the package it was deleted there.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 96%)
CISA exploited list	No
Weakness	CWE-284
Published	2022-09-07
Last modified	2026-06-17

Publisher (CNA): SUSE · Vendor: opensuse

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

Am I affected?

Timeline

2022-09-07 09:15 UTCPublished CVE record published
2026-06-17 04:27 UTCUpdated Record last modified

opensuse canna UPGRADE

Affected: < 3.7p3-bp153.2.3.1 · < 3.7p3-bp154.3.3.1 · 3.7p3

Fixed in: 3.7p3-bp153.2.3.1, 3.7p3-bp154.3.3.1

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 3.7p3-bp153.2.3.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade canna

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade canna

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2022-21950?

canna: upgrade to 3.7p3-bp153.2.3.1, 3.7p3-bp154.3.3.1. Exact commands for each OS are on this page.

Is CVE-2022-21950 being exploited?

CVE-2022-21950 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-2022-21950 affect?

CVE-2022-21950 affects canna. Severity is medium (CVSS 5.3). A Improper Access Control vulnerability in the systemd service of cana in openSUSE Backports SLE-15-SP3, openSUSE Backports SLE-15-SP4 allows local users to hijack the UNIX domain socket This issue affects: openSUSE Backports SLE-15-SP3 can

How urgent is CVE-2022-21950?

Priority 20/100. No elevated risk signals yet.

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References

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