CVE & CISA-KEV Catalog

CVE-2020-27781

HIGH
7.1
CVSS v3
NVD

Description

User credentials can be manipulated and stolen by Native CephFS consumers of OpenStack Manila, resulting in potential privilege escalation. An Open Stack Manila user can request access to a share to an arbitrary cephx user, including existing users. The access key is retrieved via the interface drivers. Then, all users of the requesting OpenStack project can view the access key. This enables the attacker to target any resource that the user has access to. This can be done to even "admin" users, compromising the ceph administrator. This flaw affects Ceph versions prior to 14.2.16, 15.x prior to 15.2.8, and 16.x prior to 16.2.0.

How to fix

Remediation Available
cephDebian
Fixed in:14.2.16-1CVE-2020-27781
Fixed in:14.2.16-1CVE-2020-27781
Fixed in:14.2.16-1CVE-2020-27781
Fixed in:14.2.16-1CVE-2020-27781
cephUbuntu
Fixed in:12.2.13-0ubuntu0.18.04.10USN-5128-1
Fixed in:15.2.12-0ubuntu0.20.04.1USN-4998-1
ceph-baseUbuntu
Fixed in:12.2.13-0ubuntu0.18.04.10USN-5128-1
Fixed in:15.2.12-0ubuntu0.20.04.1USN-4998-1
ceph-commonUbuntu
Fixed in:12.2.13-0ubuntu0.18.04.10USN-5128-1
Fixed in:15.2.12-0ubuntu0.20.04.1USN-4998-1
ceph-mgrUbuntu
Fixed in:15.2.12-0ubuntu0.20.04.1USN-4998-1
ceph-mgr-cephadmUbuntu
Fixed in:15.2.12-0ubuntu0.20.04.1USN-4998-1
ceph-mgr-dashboardUbuntu
Fixed in:15.2.12-0ubuntu0.20.04.1USN-4998-1
ceph-mgr-diskprediction-cloudUbuntu
Fixed in:15.2.12-0ubuntu0.20.04.1USN-4998-1
ceph-mgr-diskprediction-localUbuntu
Fixed in:15.2.12-0ubuntu0.20.04.1USN-4998-1
ceph-mgr-k8seventsUbuntu
Fixed in:15.2.12-0ubuntu0.20.04.1USN-4998-1
ceph-mgr-modules-coreUbuntu
Fixed in:15.2.12-0ubuntu0.20.04.1USN-4998-1
ceph-mgr-rookUbuntu
Fixed in:15.2.12-0ubuntu0.20.04.1USN-4998-1
cephadmUbuntu
Fixed in:15.2.12-0ubuntu0.20.04.1USN-4998-1
radosgwUbuntu
Fixed in:15.2.12-0ubuntu0.20.04.1USN-4998-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityNone

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Exploit Intelligence

0.31%probability of exploitation in 30 days
23rdpercentile

Low risk: more likely to be exploited than 23% of all known CVEs.

References

Vendor Advisory1
Third-Party Advisory1

Related Vulnerabilities

Other CWE-522 vulnerabilities, ordered by exploit likelihood. View all

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CVE-2019-17662Critical9.897%--
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CVE-2021-30116Critical10.086%KEV + RansomFix
CVE-2024-44000Critical9.883%-Fix
CVE-2018-9160Critical9.877%--
CVE-2017-9248Critical9.875%KEVFix
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Markdown

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HTML

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.