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CVE-2023-30540

3.5 · LOW

Nextcloud Talk is a chat, video & audio call extension for Nextcloud.

Published Apr 17, 2023CWE-200EPSS 0.66%

Overview

CVE-2023-30540 is a low-severity vulnerability. It was published on April 17, 2023 and has a CVSS 3.1 base score of 3.5 (LOW).

This vulnerability has a CVSS 3.1 base score of 3.5, rated LOW. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Nextcloud Talk is a chat, video & audio call extension for Nextcloud. In affected versions a user that was added later to a conversation can use this information to get access to data that was deleted before they were added to the conversation. This issue has been patched in version 15.0.5 and it is recommended that users upgrad to 15.0.5. There are no known workarounds for this issue.

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/nextcloud/security-advisories/security/advisories/GHSA-c9hr-cq65-9mjwGitHubgithub.com/nextcloud/spreed/pull/8985Refhackerone.com/reports/1894676GitHubgithub.com/nextcloud/security-advisories/security/advisories/GHSA-c9hr-cq65-9mjwGitHubgithub.com/nextcloud/spreed/pull/8985Refhackerone.com/reports/1894676

How CyberStrike helps

Frequently asked questions

What is CVE-2023-30540?

CVE-2023-30540 is a low-severity vulnerability. It was published on April 17, 2023 and has a CVSS 3.1 base score of 3.5 (LOW).

How severe is CVE-2023-30540?

This vulnerability has a CVSS 3.1 base score of 3.5, rated LOW. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2023-30540?

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-2023-30540?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-30540 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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