CVE-2022-38731: Qaelum DOSE 18.08 through 21.1 before 21.2 allows Directory Traversal via the loadimages name parameter

Routine

MEDIUM 4.3UPGRADE

CVE-2022-38731 is a medium-severity flaw (CVSS 4.3) affecting dose. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Qaelum DOSE 18.08 through 21.1 before 21.2 allows Directory Traversal via the loadimages name parameter. It allows a user to specify an arbitrary location on the server's filesystem from which to load an image. (Only images are displayed to the attacker. All other files are loaded but not displayed.) The Content-Type response header reflects the actual content type of the file being requested. This allows an attacker to enumerate files on the loc

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.7% (top 46%)
CISA exploited list	No
Weakness	CWE-22
Published	2023-02-16
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: qaelum

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

Am I affected?

Timeline

2023-02-16 14:15 UTCPublished CVE record published
2026-06-17 04:57 UTCUpdated Record last modified

qaelum dose UPGRADE

Affected: >= 18.08 and < 21.2

Fixed in: 21.2

Safe to downgrade to: a release before 18.08

1. Check installed version

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

2. UPGRADE to 21.2 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade dose

Note

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

3. If no update is available yet, DOWNGRADE to a release before 18.08 (Debian / Ubuntu)

apt-cache madison dose sudo apt install dose=<VERSION_BEFORE_18.08> sudo apt-mark hold dose

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list dose sudo dnf downgrade dose-<VERSION_BEFORE_18.08> sudo dnf versionlock add dose

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2022-38731?

dose: upgrade to 21.2. Exact commands for each OS are on this page.

Is CVE-2022-38731 being exploited?

CVE-2022-38731 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-2022-38731 affect?

CVE-2022-38731 affects dose. Severity is medium (CVSS 4.3). Qaelum DOSE 18.08 through 21.1 before 21.2 allows Directory Traversal via the loadimages name parameter. It allows a user to specify an arbitrary location on the server's filesystem from which to load an image. (Only images are displayed to

How urgent is CVE-2022-38731?

Priority 29/100. No elevated risk signals yet.

References

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