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CVE-2021-30137

7.7 · HIGH

Assyst 10 SP7.5 has authenticated XXE leading to SSRF via XML unmarshalling.

Published Sep 15, 2021CWE-611EPSS 0.71%

Overview

CVE-2021-30137 is a high-severity vulnerability. It was published on September 15, 2021 and has a CVSS 3.1 base score of 7.7 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.7, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Assyst 10 SP7.5 has authenticated XXE leading to SSRF via XML unmarshalling. The application allows users to send JSON or XML data to the server. It was possible to inject malicious XML data through several access points.

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/post-cyberlabs/CVE-Advisory/blob/main/CVE-2021-30137.pdfGitHubgithub.com/post-cyberlabs/CVE-Advisory/blob/main/CVE-2021-30137.pdf

How CyberStrike helps

Frequently asked questions

What is CVE-2021-30137?

CVE-2021-30137 is a high-severity vulnerability. It was published on September 15, 2021 and has a CVSS 3.1 base score of 7.7 (HIGH).

How severe is CVE-2021-30137?

This vulnerability has a CVSS 3.1 base score of 7.7, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2021-30137?

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-2021-30137?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-30137 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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