CVE-2020-9543

Name: CVE-2020-9543
Creator: NVD / NIST
Published: 2020-03-12T17:15:11.077+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.3/10EPSS 1.15%

Last modified Jun 17, 2026

CVE-2020-9543 is a high-severity vulnerability rated 8.3/10 on the CVSS scale. 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.. EPSS estimates a 1.15% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.3/10

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

EPSS Probability

1.15%

62.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-276

Affected Software

Vendor	Product	Versions
Openstack	Manila	< 7.4.1
Openstack	Manila	>= 8.0.0, < 8.1.1
Openstack	Manila	>= 9.0.0, < 9.1.1

References

http://www.openwall.com/lists/oss-security/2020/03/12/1Mailing List, Patch, Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/03/12/1Mailing List, Patch, Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/03/12/1Mailing List, Patch, Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/03/12/1Mailing List, Patch, Third Party Advisory
https://bugs.launchpad.net/manila/+bug/1861485Exploit, Issue Tracking, Third Party Advisory
https://security.openstack.org/ossa/OSSA-2020-002.htmlPatch, Vendor Advisory
http://www.openwall.com/lists/oss-security/2020/03/12/1Mailing List, Patch, Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/03/12/1Mailing List, Patch, Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/03/12/1Mailing List, Patch, Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/03/12/1Mailing List, Patch, Third Party Advisory
https://bugs.launchpad.net/manila/+bug/1861485Exploit, Issue Tracking, Third Party Advisory
https://security.openstack.org/ossa/OSSA-2020-002.htmlPatch, Vendor Advisory

Timeline

Published: Mar 12, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-9543?

How severe is CVE-2020-9543?

CVE-2020-9543 has a CVSS score of 8.3/10 (HIGH severity). The EPSS model estimates a 1.15% probability of exploitation in the next 30 days.

How do I fix CVE-2020-9543?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-9543?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST