CVE-2020-9543

Severity: high (CVSS 8.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2020-03-12 · updated 2026-06-17
Weakness: CWE-276

Description

OpenStack Manila <7.4.1, >=8.0.0 <8.1.1, and >=9.0.0 <9.1.1 allows attackers to view, update, delete, or share resources that do not belong to them, because of a context-free lookup of a UUID. Attackers may also create resources, such as shared file systems and groups of shares on such share networks.

Affected products

OpenStack Manila: before 7.4.1; from 8.0.0 before 8.1.1; from 9.0.0 before 9.1.1 — fixed in 7.4.1, 8.1.1, 9.1.1

How to fix

Upgrade to a fixed version: OpenStack Manila 7.4.1, 8.1.1, 9.1.1. Check the vendor advisory for mitigations.

References

http://www.openwall.com/lists/oss-security/2020/03/12/1
http://www.openwall.com/lists/oss-security/2020/03/12/1
http://www.openwall.com/lists/oss-security/2020/03/12/1
http://www.openwall.com/lists/oss-security/2020/03/12/1
https://bugs.launchpad.net/manila/+bug/1861485
https://security.openstack.org/ossa/OSSA-2020-002.html
http://www.openwall.com/lists/oss-security/2020/03/12/1
http://www.openwall.com/lists/oss-security/2020/03/12/1
http://www.openwall.com/lists/oss-security/2020/03/12/1
http://www.openwall.com/lists/oss-security/2020/03/12/1
https://bugs.launchpad.net/manila/+bug/1861485
https://security.openstack.org/ossa/OSSA-2020-002.html

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