CVE-2022-47950: An issue was discovered in OpenStack Swift before 2.28.1, 2.29.x before 2.29.2, and 2.30.0

This month

MEDIUM 6.5WATCHLISTUPGRADEMITIGATE

CVE-2022-47950 is a medium-severity flaw (CVSS 6.5) affecting swift, debian linux. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in OpenStack Swift before 2.28.1, 2.29.x before 2.29.2, and 2.30.0. By supplying crafted XML files, an authenticated user may coerce the S3 API into returning arbitrary file contents from the host server, resulting in unauthorized read access to potentially sensitive data. This impacts both s3api deployments (Rocky or later), and swift3 deployments (Queens and earlier, no longer actively developed).

Why this priority

Public exploit reference
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.0% (top 37%)
CISA exploited list	No
Weakness	CWE-552
Published	2023-01-18
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: debian · openstack

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

Am I affected?

Timeline

2023-01-18 17:15 UTCPublished CVE record published
2026-06-17 05:14 UTCUpdated Record last modified

openstack swift UPGRADE

Affected: < 2.28.1 · >= 2.29.0 and < 2.29.2 · 2.30.0

Fixed in: 2.28.1, 2.29.2

Safe to downgrade to: a release before 2.29.0

1. Check installed version

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

2. UPGRADE to 2.28.1 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade swift

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 2.29.0 (Debian / Ubuntu)

apt-cache madison swift sudo apt install swift=<VERSION_BEFORE_2.29.0> sudo apt-mark hold swift

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

dnf --showduplicates list swift sudo dnf downgrade swift-<VERSION_BEFORE_2.29.0> sudo dnf versionlock add swift

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.

debian debian linux MITIGATE

Affected: 10.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 10.0

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-2022-47950?

swift: upgrade to 2.28.1, 2.29.2; debian linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-47950 being exploited?

CVE-2022-47950 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-2022-47950 affect?

CVE-2022-47950 affects swift, debian linux. Severity is medium (CVSS 6.5). An issue was discovered in OpenStack Swift before 2.28.1, 2.29.x before 2.29.2, and 2.30.0. By supplying crafted XML files, an authenticated user may coerce the S3 API into returning arbitrary file contents from the host server, resulting i

How urgent is CVE-2022-47950?

Priority 49/100. Public exploit reference; On your watchlist

Software pages

Debian vulnerabilities · OpenStack vulnerabilities · Swift vulnerabilities

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References

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