How severe is CVE-2020-25677?

CVE-2020-25677 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-25677 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-25677?

CVE-2020-25677 primarily affects Redhat Ceph Storage. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-25677?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-25677 published?

CVE-2020-25677 was published on 2020-12-08 and last updated on 2026-06-17.

CVE-2020-25677

CVE-2020-25677 is a medium-severity vulnerability in Redhat Ceph Storage with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-312.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-312
Affected product: Redhat Ceph Storage
Published: 2020-12-08
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2020-25677?: 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.
How severe is CVE-2020-25677?: CVE-2020-25677 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-25677 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-25677?: CVE-2020-25677 primarily affects Redhat Ceph Storage. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-25677?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-25677 published?: CVE-2020-25677 was published on 2020-12-08 and last updated on 2026-06-17.

References

https://bugzilla.redhat.com/show_bug.cgi?id=1892108

Affected products (3)

cpe:2.3:a:ceph:ceph-ansible:4.0.41:*:*:*:*:*:*:*
cpe:2.3:a:redhat:ceph_storage:3.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:ceph_storage:4.0:*:*:*:*:*:*:*

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