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CVE-2021-32672

5.3 · MEDIUM

Redis is an open source, in-memory database that persists on disk.

Published Oct 4, 2021CWE-125EPSS 1.68%

Overview

CVE-2021-32672 is a medium-severity vulnerability. It was published on October 4, 2021 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Redis is an open source, in-memory database that persists on disk. When using the Redis Lua Debugger, users can send malformed requests that cause the debugger’s protocol parser to read data beyond the actual buffer. This issue affects all versions of Redis with Lua debugging support (3.2 or newer). The problem is fixed in versions 6.2.6, 6.0.16 and 5.0.14.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/redis/redis/commit/6ac3c0b7abd35f37201ed2d6298ecef4ea1ae1ddGitHubgithub.com/redis/redis/security/advisories/GHSA-9mj9-xx53-qmxmReflists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HTYQ5ZF37HNGTZWVNJD3VXP7I6MEEF42/Reflists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VL5KXFN3ATM7IIM7Q4O4PWTSRGZ5744Z/Reflists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WR5WKJWXD4D6S3DJCZ56V74ESLTDQRAB/Refsecurity.gentoo.org/glsa/202209-17Refsecurity.netapp.com/advisory/ntap-20211104-0003/Refwww.debian.org/security/2021/dsa-5001Refwww.oracle.com/security-alerts/cpuapr2022.htmlGitHubgithub.com/redis/redis/commit/6ac3c0b7abd35f37201ed2d6298ecef4ea1ae1dd

How CyberStrike helps

Frequently asked questions

What is CVE-2021-32672?

CVE-2021-32672 is a medium-severity vulnerability. It was published on October 4, 2021 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2021-32672?

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2021-32672?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2021-32672?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-32672 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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