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CVE-2021-31158

MEDIUMCVSS 6.5/10EPSS 0.70%

Last modified

CVE-2021-31158 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. In the Query Engine in Couchbase Server 6.5.x and 6.6.x through 6.6.1, Common Table Expression queries were not correctly checking the user's permissions, allowing read-access to resources beyond what those users were explicitly allowed to access.. EPSS estimates a 0.70% chance of exploitation in the next 30 days.

Description

In the Query Engine in Couchbase Server 6.5.x and 6.6.x through 6.6.1, Common Table Expression queries were not correctly checking the user's permissions, allowing read-access to resources beyond what those users were explicitly allowed to access.

Metrics

CVSS 3.1
6.5/10

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

EPSS Probability
0.70%

48.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CouchbaseCouchbase Server>= 6.5.0, < 6.6.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-31158?
In the Query Engine in Couchbase Server 6.5.x and 6.6.x through 6.6.1, Common Table Expression queries were not correctly checking the user's permissions, allowing read-access to resources beyond what those users were explicitly allowed to access.
How severe is CVE-2021-31158?
CVE-2021-31158 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.70% probability of exploitation in the next 30 days.
How do I fix CVE-2021-31158?
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-2021-31158?

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

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Source: NVD / NIST