CVE-2020-25677: A flaw was found in Ceph-ansible v4.0.41 where it creates an /etc/ceph/iscsi-gateway.conf with insecure defaul

Routine

MEDIUM 5.5WATCHLISTDOWNGRADEDOWNGRADE

CVE-2020-25677 is a medium-severity flaw (CVSS 5.5) affecting ceph-ansible, ceph storage. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A flaw was found in Ceph-ansible v4.0.41 where it creates an /etc/ceph/iscsi-gateway.conf with insecure default permissions. This flaw allows any user on the system to read sensitive information within this file. The highest threat from this vulnerability is to confidentiality.

Why this priority

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	0.2% (top 88%)
CISA exploited list	No
Weakness	CWE-312
Published	2020-12-08
Last modified	2026-06-17

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

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

Am I affected?

Timeline

2020-12-08 01:15 UTCPublished CVE record published
2026-06-17 03:07 UTCUpdated Record last modified

ceph ceph-ansible DOWNGRADE

Affected: 4.0.41

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.0.41

1. Check installed version

apt-cache policy ceph-ansible || rpm -q ceph-ansible || ceph-ansible --version

2. No fixed release: DOWNGRADE to a release before 4.0.41 (Debian / Ubuntu)

apt-cache madison ceph-ansible sudo apt install ceph-ansible=<VERSION_BEFORE_4.0.41> sudo apt-mark hold ceph-ansible

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list ceph-ansible sudo dnf downgrade ceph-ansible-<VERSION_BEFORE_4.0.41> sudo dnf versionlock add ceph-ansible

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.

redhat ceph storage DOWNGRADE

Affected: 3.0 · 4.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.0

1. Check installed version

apt-cache policy ceph-storage || rpm -q ceph-storage || ceph-storage --version

2. No fixed release: DOWNGRADE to a release before 3.0 (Debian / Ubuntu)

apt-cache madison ceph-storage sudo apt install ceph-storage=<VERSION_BEFORE_3.0> sudo apt-mark hold ceph-storage

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list ceph-storage sudo dnf downgrade ceph-storage-<VERSION_BEFORE_3.0> sudo dnf versionlock add ceph-storage

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-2020-25677?

ceph-ansible: downgrade or apply the listed mitigation; ceph storage: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-25677 being exploited?

CVE-2020-25677 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-2020-25677 affect?

CVE-2020-25677 affects ceph-ansible, ceph storage. Severity is medium (CVSS 5.5). A flaw was found in Ceph-ansible v4.0.41 where it creates an /etc/ceph/iscsi-gateway.conf with insecure default permissions. This flaw allows any user on the system to read sensitive information within this file. The highest threat from thi

How urgent is CVE-2020-25677?

Priority 27/100. On your watchlist

Software pages

Ansible vulnerabilities · Ceph vulnerabilities

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References

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