CVE-2020-17516
7.5 · HIGHOverview
CVE-2020-17516 is a high-severity vulnerability affecting apache cassandra. It was published on February 3, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Apache Cassandra versions 2.1.0 to 2.1.22, 2.2.0 to 2.2.19, 3.0.0 to 3.0.23, and 3.11.0 to 3.11.9, when using 'dc' or 'rack' internode_encryption setting, allows both encrypted and unencrypted internode connections. A misconfigured node or a malicious user can use the unencrypted connection despite not being in the same rack or dc, and bypass mutual TLS requirement.
Remediation
Check the references section for vendor advisories and patches from apache. Update cassandra to the latest patched version. 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.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| apache | cassandra | 2.1.0 | Affected |
References
Frequently Asked Questions
What is CVE-2020-17516?
CVE-2020-17516 is a high-severity vulnerability affecting apache cassandra. It was published on February 3, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2020-17516?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2020-17516?
Check the references section for vendor advisories and patches from apache. Update cassandra to the latest patched version. 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-2020-17516?
CyberStrike's AI-powered security agents can automatically detect CVE-2020-17516 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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